APPLICANT: MOTOROLA INC. EQUIPMENT TYPE: ABZ89FC5798 INSTRUCTION MANUALS The instruction and service manual for this base radio are not published at this time. However, draft copy of the manual is available and has been included as part of the filing package in the form of an electronic pdf document. Upon request, published and/or printed manuals will be sent to the commission and/or telecommunication certification body (TCB) as soon as they become available.
APPLICANT: MOTOROLA INC. EQUIPMENT TYPE: ABZ89FC5798 TUNE-UP PROCEDURE There is no field tune-up procedure. All adjustments are software controlled and are pre-set at the factory. Certain station operating parameters can be changed via man-machine interface (MMI) commands, within predetermined limits. Examples include transmit / receiver operating frequencies and power level.
Global Telecommunications Solutions Sector ENHANCED BASE TRANSCEIVER SYSTEM (EBTS) VOLUME 2 OF 3 BASE RADIOS PRELIMINARY © 2002 Motorola, Inc. All Rights Reserved Printed in U.S.A.
FCC INTERFERENCE WARNING The FCC requires that manuals pertaining to Class A computing devices must contain warnings about possible interference with local residential radio and TV reception. This warning reads as follows: Note: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.
Base Radios About This Volume Volume 2 of the Enhanced Base Transceiver System (EBTS) manual, Base Radios, provides the experienced service technician with an overview of the EBTS operation and functions, and contains information regarding the 800 MHz, 900 MHz, 1500 MHz Single Channel and 800 MHz and 900 MHz QUAD Channel Channel base radios.
Base Radios EBTS System Manual - Vol 2 Maintenance Philosophy The EBTS has been designed using a Field Replaceable Unit (FRU) maintenance concept. To minimize system down time, faulty FRUs may be quickly and easily replaced with replacement FRUs. This helps to restore normal system operation quickly. Due to the high percentage of surface mount components and multi-layer circuit boards, field repair is discouraged.
EBTS System Manual - Vol 2 Base Radios General Safety Information General Safety Information The following general safety precautions must be observed during all phases of operation, service, and repair of the equipment described in this manual. The safety precautions listed below represent warnings of certain dangers of which we are aware. You should follow these warnings and all other safety precautions necessary for the safe operation of the equipment in your operating environment.
Base Radios EBTS System Manual - Vol 2 General Safety Information Human Exposure Compliance This equipment is designed to generate and radiate radio frequency (RF) energy by means of an external antenna. When terminated into a non-radiating RF load, the base station equipment is certified to comply with Federal Communications Commission (FCC) regulations pertaining to human exposure to RF radiation in accordance with the FCC Rules Part 1 section 1.
EBTS System Manual - Vol 2 Base Radios General Safety Information For installations outside of the U.S., consult with the applicable governing body and standards for RF energy human exposure requirements and take necessary steps for compliance with local regulations. References: TIA/EIA TSB92 “Report on EME Evaluation for RF Cabinet Emissions Under FCC MPE Guidelines”, Global Engineering Documents: http://globl.ihs.
Base Radio Overview This chapter provides an overview of the 800/900/1500 MHz Legacy, 800 MHz Generation 2 Single Channel, 800 MHz and 900 MHz QUAD Channel Base Radios (BRs) along with technical information. The section topics are listed and described in Table 1. Section Page Description Generation 2 Single Channel 800 MHz Base Radio Overview 3 Describes Controls and Indications, Theory of Operation, and Specifications for the 800 MHz Generation 2 Base Radio.
Base Radio EBTS System Manual - Vol 2 NOTE The Single Carrier Base Radio section covers the 800 MHz, 900 MHz and 1500 MHz Legacy and 800 MHz Generation 2 versions of the Base Radio (BR). Information is presented generally for all models. Information that is model specific noted in the text. NOTE For Generation 2 BR, both the 800 MHz Exciter and the 800 MHz Low Noise Exciter modules are supported subject to Table 2 on page 4.
EBTS System Manual - Vol 2 Base Radio QUAD Channel 900 MHz Base Radio Overview QUAD Channel 900 MHz Base Radio Overview The QUAD Channel 900 MHz BR provides reliable, digital BR capabilities in a compact, software-controlled design. Voice compression techniques, time division multiplexing (TDM) and multi-carrier operation provide increased channel capacity.
Base Radio EBTS System Manual - Vol 2 QUAD Channel 900 MHz Base Radio Overview QUAD Channel 900 MHz Base Radio Controls and Indicators Power Supply and EX / CNTL controls and indicators monitor BR status and operating conditions, and also aid in fault isolation. The Power Supply and EX / CNTL sections of this chapter discuss controls and indicators for both modules. The Power Supply has two front panel indicators. The EX / CNTL has twelve front panel indicators.
EBTS System Manual - Vol 2 Base Radio QUAD Channel 900 MHz Base Radio Overview QUAD Channel 900 MHz Base Radio Transmit Specifications Table 7 lists the BR transmit specifications. Table 7 QUAD Channel 900 MHz BR Transmit Specifications Specification Value or Range Low average output power per carrier High average output power per carrier (900 MHZ) Single Carrier 5.0W 52.0W (900 MHz) Dual Carrier 2.5W 26.0W (900 MHz) Triple Carrier 1.7W 16.1W (900 MHz) QUAD Channel 1.3W 10.
Base Radio EBTS System Manual - Vol 2 QUAD Channel 900 MHz Base Radio Overview QUAD Channel 900 MHz Base Radio Theory of Operation The QUAD Channel 900 MHz BR operates with other site controllers and equipment and must be properly terminated. The following description assumes such a configuration. Figure 6 show an overall block diagram of the QUAD Channel 900 MHz BR. Power is applied to the DC Power inputs located on the QUAD Channel 900 MHz BR backplane.
EBTS System Manual - Vol 2 Base Radio QUAD Channel 900 MHz Base Radio Overview The BR uses diversity reception for increased coverage area and improved quality. The Receiver modules within the QUAD Channel 900 MHz BR contain three receiver paths. Two-branch diversity sites use two Receiver paths, and three-branch diversity sites use three Receiver paths. All Receiver paths within a given Receiver module are programmed to the same receive frequency.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 MIXER ABACUS RECEIVER IC LPF, AMP, FILTER RECEIVER 4 4 RECEIVER MIXER IF FILTER AMP, AGC LPF, AMP, FILTER VCO SYNTH SPLITTER ABACUS RECEIVER IC MIXER IF FILTER AMP, AGC PREAMPLIFIER SPLITTER / BYPASS LPF, AMP, FILTER RX3 DATA 16.
Base Radio Controllers Overview This chapter provides information on Base Radio Controllers (BRCs): Chapter Topic Page Description Enhanced Base Radio Controller 2 Includes information on the Enhanced Base Radio Controller’s Controls and Indications and Theory of Operation 900 MHz QUAD Channel Base Radio Controller 15 Provides an 900 MHz QUAD Channel BRC Controls and Indications as well as the controller’s Theory of Operation 800 MHz QUAD Channel Base Radio Controller 25 Provides an overview, 8
EBTS System Manual - Vol 2 Base Radio Controllers 900 MHz QUAD Channel Base Radio Controller 900 MHz QUAD Channel Base Radio Controller 900 MHz QUAD Channel Base Radio Controller Overview The Base Radio Controller (BRC) provides signal processing and operational control for Base Radio modules. The BRC module consists of a printed circuit board, a slide-in housing, and associated hardware. The BRC memory contains the operating software and codeplug.
Base Radio Controllers EBTS System Manual - Vol 2 900 MHz QUAD Channel Base Radio Controller 900 MHz QUAD Channel Base Radio Controller Controls and Indicators The BRC monitors the functions of other Base Radio modules. The LEDs on the front panel indicate the status of BRC-monitored modules. All LEDs on the BRC front panel normally flash three times upon initial power-up. A RESET switch allows a manual reset of the Base Radio. Figure 4 shows the front panel of the BRC.
EBTS System Manual - Vol 2 Base Radio Controllers 900 MHz QUAD Channel Base Radio Controller Table 7 900 MHz QUAD Channel BR Controller Indicators (Continued) LED REF RX1 Color Module Monitored Condition Red Controller Station Reference Solid (on) FRU failure indication - Controller Station Reference has a major alarm, and is out of service Flashing (on) BRC has a minor alarm, and may be operating in a marginal region Off BRC is operating normally (no alarms) Solid (on) FRU failure indicat
Base Radio Controllers EBTS System Manual - Vol 2 900 MHz QUAD Channel Base Radio Controller Table 8 900 MHz QUAD Channel BR Controller Controls Control Description RESET Switch A push-button switch used to manually reset the BR. STATUS connector A 9-pin connector used for connection of a service computer, providing a convenient means for testing and configuring.
EBTS System Manual - Vol 2 Base Radio Controllers 900 MHz QUAD Channel Base Radio Controller Table 10 900 MHz QUAD Channel BR Controller Circuitry Circuit Description Host Microprocessor Contains integrated circuits that comprise the central controller of the BRC and station Non-Volatile Memory Consists of: • FLASH containing the station operating software • EEPROM containing the station codeplug data 6 8 P 8 0 8 0 1H45- 1 1/20/2002 Volatile Memory Contains SDRAM to store station software used t
Base Radio Controllers EBTS System Manual - Vol 2 900 MHz QUAD Channel Base Radio Controller Serial Communication Buses The microprocessor provides a general-purpose SMC serial management controller bus. The SMC serial communications bus is an asynchronous RS-232 interface with no hardware handshake capability. The BRC front panel includes a nine-pin, D-type connector. This connector provides a port where service personnel may connect a service computer.
EBTS System Manual - Vol 2 Base Radio Controllers 900 MHz QUAD Channel Base Radio Controller background mode. Background mode transfers allow the station to remain operational during new code upgrades. The data that determines the station personality resides in a 32K x eight bit codeplug EEPROM. The microprocessor addresses the EEPROM with 15 of the host address bus’ 32 lines. The host accesses EEPROM data with eight of the data bus’ 32 lines.
Base Radio Controllers EBTS System Manual - Vol 2 900 MHz QUAD Channel Base Radio Controller ❐ electrical interface to the Ethernet transceiver An isolation transformer provides high-voltage protection. The transformer also isolates the Ethernet Serial Interface (ESI) and the transceiver.
EBTS System Manual - Vol 2 Base Radio Controllers 900 MHz QUAD Channel Base Radio Controller parallel-to-serial conversion circuit, connected to the RXDSP data bus. Each RXDSP communicates to two receive modules through this interface. Additionally, a serial control path connects the two RXDSPs and the TXDSP. The Synchronous Communications Interface (SCI) port facilitates this serial control path. For initialization and control purposes, one RXDSP connects to the TISIC device.
Base Radio Controllers EBTS System Manual - Vol 2 900 MHz QUAD Channel Base Radio Controller conditions coexist: (1) The 5 MHz tests stable. (2) The PLL IC is programmed. (3) Two PLL oscillator and reference signal output alignments occur. When the gate enables, the control voltage from the PLL can adjust the high-stability VCXO frequency. The adjustment can achieve a stability nearly equivalent to that of the external, 5 MHz frequency reference.
EBTS System Manual - Vol 2 800/900/1500 MHz Base Radios Base Radio Controller Base Radio Controller HOST MICROPROCESSOR / HOST ASIC 16.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 Base Radio Controller Base Radio Controller Functional Block Diagram Model TLN3424 (Includes Front Panel Board) HOST MICROPROCESSOR / HOST ASIC 16.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 Base Radio Controller QUAD Channel Base Radio Controller Functional Block Diagram LED CONTROL LINES HOST LATCH P0 OUT 12 3.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 Base Radio Controller QUAD Channel Base Radio Controller Functional Block Diagram 2 SERIAL MANAGEMENT CONTROLLER (SMC2) 2 EIA-232 BUS RECEIVERS/ DRIVERS STATUS PORT (9 PIN D CONNECTOR ON BRC FRONT PANEL) RX1 SERIAL DATA DIFFERENTIAL TO SINGLE END RX2 SERIAL DATA DIFFERENTIAL TO SINGLE END RX3 SERIAL DATA DIFFERENTIAL TO SINGLE END RX4 SERIAL DATA DIFFERENTIAL TO SINGLE END ETHERNET INTERFACE SCC1 ETHERNET SERIAL INTERFACE CLSN ETHERN
EBTS System Manual - Vol 2 Base Radio Exciter Base Radio Exciter Overview This chapter provides technical information for the Exciter (EX). Section Page Description 800 Legacy MHz Exciter – TLN3337; 900 MHz Exciter – CLN1357; 1500 MHz Exciter – TLN3428 2 Describes the functions and characteristics of the Exciter module for the single channel Base Radio (BR).
EBTS System Manual - Vol 2 Base Radio Exciter QUAD Channel 900 MHz Exciter QUAD Channel 900 MHz Exciter QUAD Channel 900 MHz Exciter Overview The Exciter and the Power Amplifier (PA) provide the transmitter functions of the QUAD Channel 900 MHz Base Radio. The Exciter module consists of a printed circuit board, a slide in housing, and associated hardware. The BRC shares the printed circuit board and housing.
Base Radio Exciter EBTS System Manual - Vol 2 QUAD Channel 900 MHz Exciter 900 MHz QUAD Channel Exciter Theory of Operation Table 4 describes the basic circuitry of the Exciter. Figures 9 show the QUAD Carrier Exciter’s functional block diagram.
EBTS System Manual - Vol 2 Base Radio Exciter QUAD Channel 900 MHz Exciter request of the BRC, A/DC output signals enter the BRC via SPI lines. The Controller periodically monitors all signals. Some of the monitored signals include amplifier bias and synthesizer signals. Low Noise Offset Direct Conversion Transmit (LNODCT) IC Circuitry The Low Noise IC is a main interface between the Exciter and BRC.
Base Radio Exciter EBTS System Manual - Vol 2 QUAD Channel 900 MHz Exciter 90.3 MHz Voltage Controlled Oscillator (VCO) The synthesizer within the Low Noise IC sets the 90.3 MHz signal. The 90.3 MHz VCO provides a LO signal to the LNODCT IC. The Low Noise IC uses this signal in up-converting and down-converting the feedback signal. Regulator Circuitry The voltage regulators generate three regulated voltages: +3 Vdc, +5 Vdc and +11.7 Vdc. The regulators obtain input voltages from the +3.3 Vdc and +14.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 Exciter 970 MHZ VCO CIRCUITRY EXCITER IC CIRCUITRY LNODCT IC CIRCUITRY RF FEEDBACK FROM PA MODULE +10 V DC FILTER DIFFERENTIAL TX DATA & CLOCK DATA & CLOCK FROM BRC MODULE I DAC Q LNODCT IC LO INJECTION CIRCUITRY 90.3 VCO CIRCUITRY CONTROL VOLTAGE OSCILLATOR BUFFER AMP VCO FEEDBACK OSCILLATOR BUFFER AMP REGULATOR CIRCUITRY ADDRESS DECODE, MEMORY, & A/D CONVERTER CIRCUITRY SYNTHESIZER CIRCUITRY CHIP SELECT +3.3 V +14.
EBTS System Manual - Vol 2 Power Amplifier (PA) Power Amplifier (PA) Overview This section provides technical information for the Power Amplifier (PA). Page Description Power Amplifer Overview Section 1 Describes the the various Base Radio Power Amplifier (PAs) for the single channel and QUAD Channel Base Radios (BR)s.
Power Amplifier (PA) EBTS System Manual - Vol 2 Power Amplifer Overview Power Amplifer Overview NOTE The power outputs discussed on this section for the 800 MHz QUAD and 900 MHz QUAD Power Amplifiers are referenced to the single carrier mode, operating at 52 W average power output from the Power Amplifier’s output connector. The Power Amplifier (PA), with the Exciter, provides the transmitter functions for the Base Radio. The PA accepts the low-level modulated RF signal from the Exciter.
EBTS System Manual - Vol 2 Power Amplifier (PA) Power Amplifer Overview Figure 5 6 8 P 8 0 8 0 1H45- 1 1/20/2002 800/900 MHz QUAD PA 7
Power Amplifier (PA) EBTS System Manual - Vol 2 PA Theory of Operation PA Theory of Operation Table 2 describes the basic functions of the PA circuitry. Figures 6 and 7 show the functional block diagrams of 40W, 800 MHz and 70W, 800 MHz PA, respectively. Figure 8 shows the functional block diagram of the 60W, 900 MHz PA. Figure 9 shows a functional block diagram of the 40W, 1500 MHz PA. Figure 10 shows a functional block diagram of 800 MHz. Figure 10 shows a functional block diagram of 900 MHz QUAD PA.
EBTS System Manual - Vol 2 Power Amplifier (PA) PA Theory of Operation Table 2 Power Amplifier Circuitry (Continued) Circuit Description Interconnect Board (70W-800 MHz, 40W-800 MHz, 800 QUAD, and 900 MHz QUAD • Provides RF interconnection from the LDM to the RF Splitter board RF Splitter/DC board • Interfaces with the DC/Metering Board to route DC power to the LFMs • Provides DC supply filtering • Interfaces with the DC/Metering Board to route PA Bias Enable to the six Linear Final Modules (900 M
Power Amplifier (PA) EBTS System Manual - Vol 2 PA Theory of Operation Table 2 Power Amplifier Circuitry (Continued) Circuit RF Combiner/Peripheral Module Description • Contains a combiner circuit that combines the three RF signals from the RF Interconnect Board (40W- 800 MHz PA) or the Combiner Board (70W-800 MHz PA). It then routes the combined RF signal through a single stage circulator and a Low Pass Filter.
EBTS System Manual - Vol 2 Power Amplifier (PA) PA Theory of Operation DC/Metering Board (QUAD PA Only) The DC/Metering Board in the QUAD Radio serves the same function as it does in other radios. However, its circuitry is modified for compatibility with the QUAD Station. As a result, its logic circuitry is operated at 3.3 VDC.
Power Amplifier (PA) EBTS System Manual - Vol 2 PA Theory of Operation 900 QUAD PA The Linear Driver Module (LDM) amplifies the low-level RF signal from the Exciter. The LDM consists of a three stage, cascaded, Class AB amplifier, with the final stage in a parallel configuration. See Table 2 for the approximate input and output power of the 900 MHz QUAD LDM. The LDM Output is fed to the RF Splitter/DC Distribution Board via the Interconnect Board.
EBTS System Manual - Vol 2 Power Amplifier (PA) PA Theory of Operation Linear Final Modules 40W-800 MHz, 70W-800 MHz, 800 MHz QUAD and 900 MHz QUAD The RF Splitter output signals are applied directly into the LFMs for final amplification. Each LFM contains a coupler that splits the LFM input signal and feeds the parallel Class AB amplifiers that amplify the RF signals. In the 40W PA, the amplified signals are then combined on the LFM and sent directly to the RF Interconnect Board.
Power Amplifier (PA) EBTS System Manual - Vol 2 PA Theory of Operation RF Combiner/Peripheral Module (40- 800 MHz, 70W- 800 MHz PAs) This module consists of two portions: an RF combiner and a peripheral module. The RF Combiner portion of the module combines the three RF signals from the RF Interconnect Board (40W- 800 MHz PA) or the Combiner Board (70W- 800 MHz PA) into a single signal using a Wilkinson coupler arrangement.
EBTS System Manual - Vol 2 Power Amplifier (PA) PA Theory of Operation Reflected power is monitored in the same manner. The BRC uses the reflected power to calculate the voltage standing wave ratio (VSWR). If the VSWR is determined to be excessive, the forward power is rolled back. If it is extremely excessive, the BRC issues a shut-down command to the Exciter. A thermistor is located on the RF Combiner/Peripheral module to monitor the operating temperature of the PA.
Power Amplifier (PA) EBTS System Manual - Vol 2 PA Theory of Operation The Peripheral module provides a power monitor circuit that monitors the forward and reflected power of the output signal. This circuit furnishes the A/D converter on the DC/Metering Board with input signals, representative of the forward and reflected power levels. For forward power, a signal representative of the measured value is sent to the BRC via the SPI bus.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 Power Amplifier 900 MHz QUAD Power Amplifier – DLN1202 (CTF1082) Functional Block Diagram PA_E RF SPLITTER/DC DISTRIBUTION BOARD PA_E LINEAR FINAL MODULES COMBINER BOARD PA_E ADDRESS DECODE, MEMORY, & A/D CONVERTER CIRCUITRY LINEAR DRIVER MODULE INTERCONNECT BOARD 50 OHM LOAD PA_E 50 OHM LOAD RF INPUT VVA EEPOT C_E PA_E INC CLK/DATA STAGE 1 CLASS AB DISTRIBUTED MEMORY CHIP SELECT DECODE CIRCUITRY PA_E STAGE 2 CLASS AB CHIP SEL
EBTS System Manual - Vol 2 DC Power Supply DC Power Supply Overview This section provides technical information for the DC Power Supply (PS). Chapter Page Description Single Channel DC Power Supply Overview 1 Describes the functions and characteristics of the DC Power Supply (PS) module for the single channel Base Radio (BR). DC Power Supply for QUAD Channel Base Radios 5 Describes the functions and characteristics of the DC Power Supply (PS) module for the QUAD channel Base Radio (BR).
EBTS System Manual - Vol 2 DC Power Supply DC Power Supply for QUAD Channel Base Radios DC Power Supply for QUAD Channel Base Radios QUAD Channel DC Power Supply Overview The QUAD Channel DC Power Supply provides DC operating voltages to QUAD Channel Base Radio FRUs. The power supply accepts input voltage sources from 41VDC to 60VDC. Input sources may be either positively or negatively grounded. On initial startup, the supply requires a nominal 43 VDC.
DC Power Supply EBTS System Manual - Vol 2 DC Power Supply for QUAD Channel Base Radios QUAD Channel DC Power Supply Controls and Indicators Table 5 summarizes LED indications on the QUAD Channel DC Power Supply during normal operation. The ON/OFF switch behind the front panel turns DC power supply on and off.
EBTS System Manual - Vol 2 DC Power Supply DC Power Supply for QUAD Channel Base Radios QUAD Channel DC Power Supply Theory of Operation Table 7 briefly describes the basic DC Power Supply circuitry. Figure 5 shows the functional block diagrams for the DC Power Supply.
EBTS System Manual - Vol 2 800/900/1500 MHz Base Radios DC Power Supply MAIN INVERTER CIRCUITRY MAIN ISOLATION TRANSFORMER MOD FAIL SOFTSTART CIRCUITRY +28 V BULK TO DIAGNOSTICS CIRCUITRY SHUTDOWN A PULSE WIDTH MODULATOR 3 4 POWER FET SWITCHES TRANSISTOR DRIVERS P/O BACKPLANE CONNECTOR +28.6 VDC TO STATION MODULES VIA BACKPLANE +28.6 VDC FILTERING CIRCUITRY 14 15 VCC 267 KHZ B 133 KHZ 133 KHZ +28.
800/900/1500 MHz Base Radios EBTS System Manual - Vol 2 DC Power Supply REF DIAGNOSTICS CIRCUITRY MODULE FAIL (RED) REF B INPUT GOOD (GREEN) MOD FAIL BULK DETECT FROM STARTUP INVERTER CIRCUITRY INPUT FAIL REF HEATSINK STATUS DETECT HEATSINK DIAG REF HI-TEMP DETECT A REF SPI BUS A/D CONVERTER J300 REF T° COOLING FAN 3 SPI BUS TO/FROM STATION CONTROL MODULE +5.1 V THERMISTOR MOUNTED ON HEATSINK +14.2V DIAG FROM DETECT CIRCUITRY +5.1 V DIAG +28.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel Base Radio/Base Radio FRU Replacement Procedures QUAD Channel Base Radio/Base Radio FRU Replacement Procedures Replace suspected station modules with known non-defective modules to restore the station to proper operation. The following procedures provide FRU replacement instructions, post-replacement adjustments and verification instructions.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel Base Radio/Base Radio FRU Replacement Procedures 1. Remove power from the Base Radio by setting the Power Supply ON/OFF switch to the OFF position. 2. Tag and disconnect the cabling from the BR rear panel connectors. 3. Remove the Power Amplifier module to reduce the BR weight. Remove the two M10 Torx screws that secure the Power Amplifier module. Slide the module out of the chassis. 4.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel Base Radio/Base Radio FRU Replacement Procedures NOTE Base Radio removal and installation procedures appear for reference or buildout purposes. Field maintenance of Base Radios typically consists of replacement of FRUs within the Base Radio. Perform Base Radio FRU replacement according to “Base Radio FRU Replacement Procedure” below. Anti-Static Precautions CAUTION The Base Radio contains static-sensitive devices.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel Base Radio/Base Radio FRU Replacement Procedures QUAD BRs Radio FRU Replacement Procedure Perform the following steps to replace any of the Base Radio FRUs: NOTE After a Control Board or BR replacement, the integrated Site Controller (iSC) reboots the BR. Whenever the BR goes off-line, the Replacement BRC Accept Timer begins counting down. A BR reboot occurs if the BR remains off-line as the timer times out.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel Base Radio/Base Radio FRU Replacement Procedures QUAD BR Power Amplifier (PA) Fan FRU Replacement Perform the following steps to replace the Power Amplifier (PA) fans. 1. Remove the Power Amplifier from the Base Radio per FRU Replacement Procedure. 2. Disconnect fan power cable from PA housing. 3. Remove front panel from fan assembly. 4. Remove fan assembly from PA chassis. NOTE To install the new fan kit, reverse above procedure.
EBTS System Manual - Vol 2 Troubleshooting QUAD Base Radio Station Verification Procedures QUAD Base Radio Station Verification Procedures Perform the Station Verification Procedures whenever you replace a FRU. The procedures verify transmit and receive operations. Each procedure also contains the equipment setup. QUAD BR Replacement FRU Verification Before shipment, the factory programs all module-specific information. Base Radio specific information (e.g.
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Station Verification Procedures NOTE Future versions of the QUAD BR will ship with software that recognizes the BR cabinet position. Default Motorola Manufacturing BR programmed cabinet position is (0,0), which automatically sends the radio to Test Application software mode upon power up. Upon setting a valid cabinet position, the radio will default to the Call Processing mode of operation..
EBTS System Manual - Vol 2 Troubleshooting QUAD Base Radio Station Verification Procedures QUAD BR Transmitter Verification The transmitter verification procedure verifies the transmitter operation and the integrity of the transmit path. This verification procedure is recommended after replacing an Exciter, Power Amplifier, BRC, or Power Supply module. NOTE The following procedure requires the Base Radio to be out of service.
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Station Verification Procedures 9. Connect the other end of the 10 dB attenuator to the 10MHZ REFERENCE OSCILLATOR IN/OUT connector on the R2660. NOTE Refer to the equipment manual provided with the R2660 for further information regarding mode configuration of the unit (Motorola Part No. 68P80386B72). 52 10. Set the R2660 to the EXT REF mode. 11. Apply power to the R2660. 12.
EBTS System Manual - Vol 2 Troubleshooting QUAD Base Radio Station Verification Procedures Transmitter Verification Procedure (QUAD Carrier 800 MHz and 900 MHz Power Amplifiers) This procedure provides commands and responses to verify proper operation of the transmit path for 800 MHz and 900 MHz QUAD Channel Base Radios. 1. Power on the BR using the front switch on the Power Supply Module. Press the reset button on the Control Module front panel.
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Station Verification Procedures 3.1 800 MHz QUAD: Set the frequency of transmit channel 1 through 4. fie l d> f re q - o t x ch 1 -f8 6 0 fie l d> f re q - o t x ch 2 -f8 6 0 .0 2 5 fie l d> f re q - o t x ch 3 -f8 6 0 .0 5 fie l d> f req - o t x ch 4 -f8 6 0 .0 7 5 3.2 900 MHz QUAD: Set the frequency of transmit channel 1 through 4. fie l d> f re q - o t x ch 1 -f9 3 5 fie l d> f re q - o t x ch 2 -f9 3 5 .
EBTS System Manual - Vol 2 Troubleshooting QUAD Base Radio Station Verification Procedures 3.4 Set the transmit power to 40 watts and key the BR. field > p tm -o tx _ a ll -md n lk _ fr a me d fie ld > p owe r -o tx ch 1 -p 4 0 4. After keying the Base Radio, verify the forward and reflected powers of the station along with the station VSWR with the parameters listed in Table 2.
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Station Verification Procedures 4.2 At the field > prompt, type: fie l d> ala rm s -o fa u lt_ h n d lr If the a la r ms command displays alarms, refer to the System Troubleshooting section of this manual for corrective actions. 5. View the spectrum of the transmitted signal on the R2660 Communications Analyzer in the Spectrum Analyzer mode. Figure 5 and Figure 6 shows a sample of the 800MHz and 900MHz spectrum, respectively.
EBTS System Manual - Vol 2 Troubleshooting QUAD Base Radio Station Verification Procedures Figure 6 6. 900 MHz Quad Carrier Spectrum Dekey the BR to verify no RF power is being transmitted. Set the transmit DSP test mode to “stop.
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Station Verification Procedures ! CAUTION Make sure power to BR is OFF before disconnecting transmitter RF connectors. Disconnecting transmitter RF connectors while the BR is keyed may result in RF burns from arcing. 58 4. Disconnect the test cable from the PA OUT connector located on the backplane of the Base Radio. 5. Connect the standard equipment cable to the PA OUT connector. 6.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane QUAD Channel BR Backplane Backplane Connectors The Base Radio backplane includes all external equipment connections. Table 21 lists and describes the backplane connectors.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel BR Backplane b. P22 will not be placed on the backplane. However, the backplane shall be designed with P22 to allow for reuse on future products. Figure 9 shows the locations of the QUAD Base Radio external connections.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane Table 22 EXBRC P1 Pinout, Signal and Power Row 6 8 P 8 0 8 0 1H45- 1 A B C D 6 GND GND GND GND 7 GND 16.8MHz_RX 16.8MHz_RX_RTN GND 8 GND GND GND GND 9 GND 5 MHz/1 PPS 3.3 Vdc 3.3 Vdc 10 NC NC NC 3.3 Vdc 11 TxD CTS DTR BRG 12 RTS RxD DSR CD 13 NC NC NC 3.3 Vdc 14 NC NC SHUTDOWN_ SLEEP_ 15 PA_ENABLE NC 28.6 Vdc 14.2 Vdc 16 NC NC NC 3.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel BR Backplane Table 23 EXBRC P13 Pinout, Exciter from PA Coaxial Description Center PA IN Outer GND Table 24 EXBRC P14 Pinout, Exciter to PA Coaxial Description Center PA Feedback Outer GND Table 25 EXBRC P15 Pinout, Ethernet Coaxial 86 Description Center Ethernet Outer GND 68P80801H45-1 1/20/2002
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane RX1 Connections Table 26 RX1 P2 Pinout, Signal and Power Row Table 27 A B C D 1 NC GND GND Clock_SyncA_ 2 GND DSPIa_MOSI_RTN DSPIa_CLK_RTN DSPIa_EN_1 3 GND DSPIa_MOSI DSPIa_CLK DSPIa_EN_2 4 GND GND GND GND 5 14.2 SSI_CLK_A_RTN SSI_FS_B SSI_CLK_B_RTN 6 14.2 SSI_CLK_A SSI_FS_A SSI_CLK_B 7 14.2 GND GND GND 8 14.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel BR Backplane RX2 Connections Table 28 RX2 P4 Pinout, Signal and Power Row Table 29 88 A B C D 1 NC GND GND Clock_SyncA_ 2 GND DSPIa_MOSI_RTN DSPIa_CLK_RTN DSPIa_EN_3 3 GND DSPIa_MOSI DSPIa_CLK DSPIa_EN_2 4 GND GND GND GND 5 14.2 SSI_CLK_B_RTN NC NC 6 14.2 SSI_CLK_B SSI_FS_B NC 7 14.2 GND GND GND 8 14.2 SSI_Data_B_RTN GND NC 9 GND SSI_Data_B GND NC 10 GND NC NC NC 11 3.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane RX3 Connections Table 30 RX3 P6 Pinout, Signal and Power Row Table 31 A B C D 1 NC GND GND Clock_SyncB_ 2 GND DSPIb_MOSI_RTN DSPIb_CLK_RTN DSPIb_EN_1 3 GND DSPIb_MOSI DSPIb_CLK DSPIb_EN_2 4 GND GND GND GND 5 14.2 SSI_CLK_C_RTN SSI_FS_D SSI_CLK_D_RTN 6 14.2 SSI_CLK_C SSI_FS_C SSI_CLK_D 7 14.2 GND GND GND 8 14.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel BR Backplane RX4 Connections Table 32 RX4 P8 Pinout, Signal and Power Row Table 33 A C D NC GND GND Clock_SyncB_ 2 GND DSPIb_MOSI_RTN DSPIb_CLK_RTN DSPIb_EN_3 3 GND DSPIb_MOSI DSPIb_CLK DSPIb_EN_2 4 GND GND GND GND 5 14.2 SSI_CLK_D_RTN NC NC 6 14.2 SSI_CLK_D SSI_FS_D NC 7 14.2 GND GND GND 8 14.2 SSI_Data_D_RTN GND NC 9 GND SSI_Data_D GND NC 10 GND NC NC NC 11 3.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane PA Connections Table 34 QUAD BR PA P10 Pinout, Signal and Power Row 6 8 P 8 0 8 0 1H45- 1 1/20/2002 A B C 1 SPI_ENABLE GND 28.6 Vdc 2 GND GND 28.6 Vdc 3 SPI_A0 GND 28.6 Vdc 4 GND GND 28.6 Vdc 5 SPI_A1 GND 28.6 Vdc 6 GND GND 28.6 Vdc 7 SPI_A2 GND 28.6 Vdc 8 GND GND 28.6 Vdc 9 SPI_M0 GND 28.6 Vdc 10 GND GND 28.6 Vdc 11 SPI_M1 GND 28.6 Vdc 12 GND GND 28.6 Vdc 13 SPI_M2 GND 28.
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel BR Backplane Table 35 EXBRC P16 Pinout, PA from Exciter Coaxial Description Center PA IN Outer GND EXBRC P17 Pinout, PA to Exciter Table 36 Coaxial Description Center PA Feedback Outer GND EXBRC P18 Pinout, PA RF OUT Table 37 Coaxial Description Center PA RF OUT Outer GND External Connections Table 38 QUAD BR Backplane Coaxial and DC Signal 92 P12 -48 Vdc Power P13 EX Out P14 Feedback P15 Ethernet P16 PA In P17
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane Table 39 QUAD BR Backplane Alarm 25 Pin Dsub (P23) Alarm Signal 1 EXT_GPI_1_ 2 EXT_GPO_1_ 3 GND 4 EXT_GPI_2_ 5 EXT_GPO_2_ 6 7 8 9 10 GND 11 12 13 14 15 16 GND 17 BAT_STAT_ 18 MTR_STAT_ 19 EXT_VFWD 20 EXT_VREV 21 GND 22 GND 23 24 25 Table 40 GND QUAD BR Backplane RS-232 9 Pin Dsub (P22) RS-232 Signal 1 6 8 P 8 0 8 0 1H45- 1 1/20/2002 CD 2 RxD 3 TxD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS 9 BRG* 93
Troubleshooting EBTS System Manual - Vol 2 QUAD Channel BR Backplane PS Connections Table 41 QUAD PS Power and Signal (P11) Pin Description Pin Description Pin Description 1 GND (Plug In) 31 3.3 Vdc 61 SPI_MOSI 2 GND 32 GND 62 SPI_CLK 3 GND 33 GND 63 N.C. 4 28.6 Vdc 34 GND 64 N.C. 5 28.6 Vdc 35 GND 65 N.C. 6 28.6 Vdc 36 GND 66 N.C. 7 28.6 Vdc 37 GND 67 SPI_A0 8 28.6 Vdc 38 GND 68 SPI_A1 9 28.6 Vdc 39 GND 69 SPI_M2 10 28.
EBTS System Manual - Vol 2 Troubleshooting QUAD Channel BR Backplane Table 42 QUAD BR 48 Vdc Battery Power (P12) Pin 6 8 P 8 0 8 0 1H45- 1 Description Description 1 + BATTERY 2 + BATTERY + BATTERY 6 3 - BATTERY (RTN) - BATTERY (RTN) 7 4 - BATTERY (RTN) - BATTERY (RTN) 8 1/20/2002 + BATTERY Pin 5 95
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Signals QUAD Base Radio Signals Table 43 lists and describes signals for the QUAD Base Radio. Table 43 Signal Name 96 QUAD Base Radio Signal Descriptions Description Special 28.6 Vdc 28.6 Vdc output from PS 14.2 Vdc 14.2 Vdc output from PS 3.3 Vdc 3.
EBTS System Manual - Vol 2 Troubleshooting QUAD Base Radio Signals Table 43 6 8 P 8 0 8 0 1H45- 1 QUAD Base Radio Signal Descriptions (Continued) Signal Name Description TxD RS232 TX Data DTR RS232 Data Terminal Ready DSR RS232 Data Set Ready RTS RS232 Request to Send Special CTS RS232 Clear to Send BRG Baud Rate Generator RxRESET_ Reset Signal to RX modules 16.8MHz_RX 16.8 MHz reference to RX 16.8MHz_RX_RTN 16.
Troubleshooting EBTS System Manual - Vol 2 QUAD Base Radio Signals Table 43 98 QUAD Base Radio Signal Descriptions (Continued) Signal Name Description Special DSPIb_MOSI_RTN DSPb SPI MOSI return differential DSPIa_CLK DSPa SPI Clock differential DSPIa_CLK_RTN DSPa SPI CLK return differential DSPIb_CLK DSPb SPI Clock differential DSPIb_CLK_RTN DSPb SPI CLK return differential MTR_STAT_ External Wattmeter Status BAT_STAT_ Battery Status EXT_VFWD External Wattmeter Forward meter E
Acronyms Acronyms A/D Analog-to-Digital CC Control Cabinet A Amperes CD Carrier Detect AC Alternating Current cd change directory ACT active CLK Clock ADA Americans with Disabilities Act CLT Controller AGC Automatic Gain Control cm centimeter AIC Ampere Interrupting Capacity CMOS AIS Alarm Indication Signal (Keep Alive) Complementary Metal Oxide Semiconductor ANSI American National Standards Institute CPU Central Processing Unit ASCII American National Standard Code for I
Acronyms -2 EBTS System Manual - Vol 2 DMA Direct Memory Access HSMR High Elevation Specialized Mobile Radio DOP Dilution of Precision HSO High Stability Oscillator DRAM Dynamic Random Access Memory HVAC Heating/Ventilation/Air Conditioning DSP Digital Signal Processor Hz Hertz DTE Data Terminal Equipment I/O Input/Output DTTA Duplexed Tower-Top Amplifier IC Integrated Circuit DVM Digital Volt Meter iDEN integrated Dispatch Enhanced Network E1 European telephone multiplexing s
EBTS System Manual - Vol 2 Acronyms MHz MegaHertz ppm parts per million min minimum PPS Pulse Per Second min minute PS Power Supply MISO Master In/Slave Out PSTN Public Switched Telephone Network mm millimeter PVC Polyvinyl Chloride MMI Man-Machine-Interface pwr power MOSI Master Out/Slave In QAM Quadrature Amplitude Modulation MPM Multiple Peripheral Module QRSS Quasi Random Signal Sequence MPS Metro Packet Switch Qty Quantity MS Mobile Station R1 Receiver #1 ms m
Acronyms -4 EBTS System Manual - Vol 2 SMART Systems Management Analysis, Research and Test SPI Serial Peripheral Interface SQE Signal Quality Estimate SRAM Static Random Access Memory SRC Subrate Controller SRI Site Reference Industry standard SRIB SMART Radio Interface Box SRRC Single Rack, Redundant Controller (configuration) SRSC Single Rack, Single Controller (configuration) SS Surge Suppressor SSC System Status Control SSI Synchronous Serial Interface ST Status STAT Status
Parts and Suppliers This appendix contains recommended part numbers (p/n) and manufacturers for various hardware, tools, and equipment used during installation of the EBTS. Also contained in this appendix is other installation related information, such as determining types of wire lugs, lengths and sizes of various wires and cables, custom cabling information, and fuses. All suppliers and model numbers listed are recommended due to their proven performance record in previous installations.
Parts and Suppliers EBTS System Manual - Vol 2 AC Power and Telco Surge Arrestors The recommended AC Power and Telco surge arrestors are both manufactured by Northern Technologies. The model numbers are: ❐ AC Power - LAP-B for 120/240 single-phase LAP-C for 208 Vac three-phase ❐ Telco - TCS T1D Northern Technologies P.O. Box 610 Liberty Lake, WA 99019 Phone: 800-727-9119 Fax: 509-927-0435 Internet: www.north-tech.
EBTS System Manual - Vol 2 Parts and Suppliers RF Attenuators Several RF attenuators are needed at a site to ensure proper receive adjustments. The attenuators are used at the LNA sites to offset the excess gain from the Tower Top amplifiers, to balance the receive path, and to attenuate the BMR signal path.
Parts and Suppliers EBTS System Manual - Vol 2 ❐ Female BNC connector / Male BNC connector, 30 dB attenuator (1 W) between the Rubidium Standard and the R2660. Refer to the System Testing, section. Emergency Generator Several different sizes of generators are available. Determine the loading requirements of the site prior to ordering a generator. A recommended manufacturer of the emergency backup generator power system is: Generac Corporation P.O.
EBTS System Manual - Vol 2 Parts and Suppliers GPS Evaluation Kit The GPS evaluation kit (part number VPEVL0002) is available from Motorola Position and Navigation System Business. Motorola Position and Navigation System Business 4000 Commercial Avenue Northbrook, IL 60062 Phone: 847-714-7329 Fax: 847-714-7325 GPS Antenna Amplifier There are two recommended manufacturers of the GPS antenna amplifiers. The model numbers are: ❐ LA20RPDC-N (made by WR, Inc.) (Type 1) ❐ GA-12F-N (made by CTS Co.
Parts and Suppliers EBTS System Manual - Vol 2 Specifications Type 1 Type 2 Dimensions 3.293” x 2” x 1” 1” Dia. x Approx. 6” Connectors Type N female, both ends Type N female, both ends Gain 23 dB gain typical 20 dB min. 12 dB ± 2 dB Noise Figure 2.6 dB typical 4.0 dB VSWR < 2.2:1 <2:1 Frequency Range 1575.42 ± 50 MHz 1575.42 ± 10 MHz Filtering Yes Yes Maximum Input Power + 13 dBm 0 dBm Voltage 4.5 - 15 VDC 4.
EBTS System Manual - Vol 2 Parts and Suppliers Site Alarms Three types of alarms should be used in an EBTS site, including: ❐ Intrusion Alarm ❐ Smoke Alarm ❐ Temperature Alarm Intrusion Alarm The recommended intrusion alarm is the Sonitrol 29A. Sonitrol 211 N. Union Street, Suite 350 Alexandria, VA 22314 Phone: 800-326-7475 Fax: 703-684-6612 Internet: www.sonitrol.com Smoke Alarm A recommended smoke alarm is the Sentrol 320CC. This smoke alarm provides a relay closure for the iMU alarm.
Parts and Suppliers EBTS System Manual - Vol 2 Cabinet Mounting Hardware The cabinet mounting hardware is site dependent and must be procured locally. Equipment Cabinets The mounting hardware used to secure the Equipment Cabinets containing control and/or RF hardware must be able to provide 1545 pounds of retention force. ❐ If the cabinets are to be secured to a concrete floor, 1/2" grade 8 bolts with anchors are recommended.
EBTS System Manual - Vol 2 Parts and Suppliers Cable Connections The recommended manufacturer for all wire lugs used during EBTS installation is Thomas & Betts. All wire lug part numbers listed are for Thomas & Betts. Thomas & Betts 1555 Lynnfield Road Memphis, TN 38119 Phone: 800-888-0211 (general information) 800-248-7774 (sales/technical support) NOTE Double hole wire lugs are preferred, but single hole wire lugs can be used where mounting requirements dictate their use.
Parts and Suppliers EBTS System Manual - Vol 2 Battery System Connections The cable loop length refers to the total length of wire within a given circuit. For example, the combined length of the -48 Vdc (hot) lead and the DC return lead equals the cable loop length. This would mean that a cabinet that needs 16 feet of wire between the batteries and Power Supply Rack has a total loop length of 32 feet.
EBTS System Manual - Vol 2 Parts and Suppliers C & D Technologies 900 East Keefe Avenue P.O. Box 591 Milwaukee, WI 53212 Phone: 414-967-6500 Fax: 414-961-6506 The Absolute IIP battery system is a heavy duty, high capacity battery system manufactured by GNB Technologies: GNB Technologies 829 Parkview Boulevard Lombard, IL 60148 Phone: 800-872-0471 630-629-5200 Fax: 630-629-2635 Refer to Table 4 to determine the proper wire lug for the connection of that wire to the Power Supply rack.
Parts and Suppliers EBTS System Manual - Vol 2 Anti-Oxidant Greases Any one of the following anti-oxidant greases are recommended for connections to the positive (+) and negative (-) terminals of the batteries: ❐ No-Ox ❐ OxGuard ❐ Penetrox Intercabinet Cabling Ethernet and alarm cables connecting to the junction panels of each cabinet are supplied with the system. These cables may not be suitable for every EBTS site. It may be necessary to locally manufacture cables for a custom fit.
EBTS System Manual - Vol 2 Parts and Suppliers Table 8 lists the part numbers for custom alarm cables. Table 8 Parts for Alarm Cables Description Qty. P/N † Connector, 8-pin modular As required 2882349V01 Cable, 8-wire As required Locally procured † All part numbers are Motorola. Table 9 lists the part numbers for custom PCCH cables. Table 9 Parts for Extending PCCH Redundancy Control Cables Description Qty.
Parts and Suppliers EBTS System Manual - Vol 2 Determining Power Connection Wire Size The cable loop length refers to the total length of wire within a given circuit. For example, the combined length of the -48 Vdc (hot) lead and the DC return lead equals the cable loop length. This would mean that a cabinet which needs 16 feet of wire between the Power Supply rack and equipment cabinets has a total loop length of 32 feet.
EBTS System Manual - Vol 2 Parts and Suppliers Other Recommended Suppliers The following are the addresses of various suppliers for tools and equipment used during installation of the EBTS. Test Equipment ❐ PRFS Rubidium Frequency Standard Ball Corp. Efratom Inc. 3 Parker Irvine, CA 92618-1696 Phone: 800-EFRATOM (337-2866) 714-770-5000 Fax: 714-770-2463 Internet: www.efratom.com ❐ Fluke 77 Digital Multimeter Fluke Corporation P.O.
Parts and Suppliers EBTS System Manual - Vol 2 Software ❐ PKZIP software PKWare Inc. 9025 N. Deerwood Drive Brown Deer, WI 53223 Phone: 414-354-8699 Fax: 414-354-8559 Internet: www.pkware.com ❐ ProComm software Quarterdeck Select Corporation P.O. Box 18049 Clearwater, FL 34622-9969 Phone: 800-683-6696 Fax: 813-532-4222 Internet: www.Qdeck.com Spare Parts Ordering Motorola Inc. America’s Part Division Attn: Order Processing 1313 E.