Pasedena Metro Radio System Maintenance Handbook For Canam Technology Inc. AFL Works Order No.: Q107519 AFL product part No’s.
Table of Contents AMENDMENT LIST RECORD SHEET ........................................................................................... 5 INTRODUCTION................................................................................................................................ 6 SCOPE ............................................................................................................................................................... 6 PURPOSE .....................................................
5.1.4.10 Drg. No. 11-007371, LNA DC Wiring Diagram ................................................................... 35 5.1.4.11 Technical Specification (11-007402) .................................................................................... 36 5.1.4.12 Drg. No. 11-007402, LNA General Assembly ...................................................................... 37 5.1.4.13 Drg. No. 11-007470, LNA RF Circuit Diagram .................................................................... 38 5.1.4.
5.2.7.6 Drg. No. 12-004270C2, PA Parts List(2).................................................................................. 66 5.2.7.7 Drg. No. 12-003670, PA to Alarm Wiring Details.................................................................... 67 5.2.8 DC/DC Converter, 24V in, 12V 8A out (13-003011) See section 5.1.7 ............................................ 68 5.2.9 Chan. Selec. & Chan. Contr. Mdls (17-003012 & 17-002101) See section 5.1.8 .............................. 68 5.2.
AMENDMENT LIST RECORD SHEET Issue No. 1 Date 06/02/03 Incorporated by CMH Page No.
INTRODUCTION Scope This handbook is for use solely with the equipment identified by the AFL Part Number shown on the front cover. It is not to be used with any other equipment unless specifically authorised by Aerial Facilities Limited. This is a controlled release document and, as such, becomes a part of Aerial Facilities’Total Quality Management System. Alterations and modification may therefore only be performed by Aerial Facilities Ltd.
Glossary of Terms Repeater or Cell Enhancer Band Selective Repeater Channel Selective Repeater BTS C/NR Downlink (D.L.) Uplink (U.L.) EMC GND DC AC ID OIP3 LED M.S. N/A N/C NF RF Rx Tx S/N A Radio Frequency (RF) amplifier which can simultaneously amplify and re-broadcast Mobile Station (MS) and Base Transceiver Station (BTS) signals. A Cell Enhancer designed for operation on a range of channels within a specified frequency band.
AFL Drawing Symbol Keys PBL UHF 1 & 2 Air Interface Maintenance Handbook H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 Page:-8 of 8
1. SAFETY CONSIDERATIONS 1.1 Electric Shock Hazard Electrical shocks due to faulty mains driven power supplies. Whilst ever potentially present in any electrical equipment, such a condition would be minimised by quality installation practice and thorough testing at: a) Original assembly. b) Commissioning. c) Regular intervals, thereafter. All test equipment to be in good working order prior to its use. High current power supplies can be dangerous because of the possibility of substantial arcing.
1.3 Chemical Hazard Beryllium Oxide, also known as Beryllium Monoxide, or Thermalox™ , is sometimes used in devices within equipment produced by Aerial Facilities Ltd. Beryllium oxide dust can be toxic if inhaled, leading to chronic respiratory problems. It is harmless if ingested or by contact. Products that contain beryllium are load terminations (dummy loads) and some power amplifiers. These products can be identified by a yellow and black “skull and crossbones” danger symbol (shown above).
2. OVERVIEW/SYSTEM DESCRIPTION The AFL Off air Amplifiers for the Pasadena Blue line project are 2 way on-band RF amplifiers. Their application is as an interface between the donor radio sites and the Fibre optic receivers and transmitters which will extend coverage to the locations via the fibre optic link. There are two units one designated for the ‘UHF1’ frequencies the other for the ‘UHF2’ frequencies. Each unit is housed in an environmentally protected IP65 steel wall-mount case.
3. SPECIFICATIONS Parts Lists 3.1 3.1.1 UHF1 & UHF2 Location ONE 60-055900 Parts List 60-055901 60-055902 3.1.1.
90-010022 90-010026 90-010027 90-010028 90-010130 90-010131 90-010134 90-010135 91-030002 91-500011 91-500015 91-500016 91-510010 91-510013 91-510014 91-600005 91-600007 91-600014 91-620002 91-640003 91-700017 92-280033 92-400017 93-540035 93-930003 96-300011 96-500003 96-500005 96-700002 96-700005 96-900018 96-920011 96-920012 97-000002 97-300010 97-400010 97-600001 97-600002 97-900004 RF CABLE SUPFLEX SMA R/A MALE 200mm RF CABLE HIFLEX SMA R/A MALE 150mm RF CABLE HIFLEX SMA R/A MALE 250mm RF CABLE HIFLEX
3.1.1.2 02-013401 05-002603 05-003019 05-003401 10-000701 11-007302 11-007402 12-002201 12-002220 12-002826 12-004201 13-003011 17-000126 17-002020 17-002021 17-002101 17-002103 17-002502 17-003012 17-003022 17-003023 17-003024 17-003025 17-003028 17-003029 17-009723 17-009726 20-001602 80-008902 80-031820 80-032320 80-032322 90-010021 90-010022 90-010024 90-010025 90-010026 90-010027 90-010028 90-010030 90-010131 90-010135 F/O Air Interface 60-055902 Location ONE, UHF2 Parts List 6P CL FLTR(0.
91-030002 91-500011 91-500015 91-500016 91-510010 91-510013 91-510014 91-600005 91-600007 91-600014 91-620002 91-640003 91-700017 91-800014 91-800019 92-120009 92-280033 92-400017 93-540035 93-930003 96-300011 96-300045 96-500003 96-500005 96-700002 96-700005 96-900018 96-920011 96-920012 97-000002 97-300010 97-400010 97-600001 97-600002 97-900004 98-100001 98-200003 98-300003 98-500004 N ADAPTOR PANEL FEMALE:FEMALE PWR 3POLE PNL PLUG SEALED IP68 PWR CON CAP SEALED with INT.
3.2 Technical Specifications 3.2.1 UHF ONE to Tunnels 1 & 2 Technical Specification Frequency Range: Band Width No. of Paths Downlink Gain Uplink Gain RF Connector RF Impedance VSWR Gain Adjustment Downlink PA Uplink PA Duplexer UP/DN Isolation Passband Ripple Noise Figure Noise Figure In-Band Spurious Out-band Spurious up to 3GHz: Downlink Channels: Uplink Channels: 470.2125MHz 473.2125MHz 470.2625MHz 473.2625MHz 482.2375MHz 485.
3.2.2 UHF ONE to Location TWO Technical Specification Frequency Range: Band Width: No. of Paths Downlink Gain Uplink Gain RF Connector RF Impedance VSWR Gain Adjustment Downlink PA Uplink PA Duplexer UP/DN Isolation Passband Ripple Noise Figure Noise Figure In-Band Spurious Out-band Spurious up to 3GHz Downlink Channels: Uplink Channels: 470.2125MHz 473.2125MHz 470.2625MHz 473.2625MHz 482.2375MHz 485.2375MHz Downlink :15kHz Uplink : 25kHz 2 82 dB min 80 dB min N type female 50Ω Better than 1.
3.2.3 UHF TWO to Tunnels 1 & 2 Technical Specification Frequency Range: Band Width: No. of Paths: RF Connector: RF Impedance: VSWR: Downlink Gain: Uplink Gain: Gain Adjustment: Downlink PA: Uplink PA: Duplexer UP/DN Isolation: Passband Ripple: Noise Figure: Noise Figure: In-Band Spurious: Out-band Spurious up to 3GHz: Downlink Channels: Uplink Channels: 483.0625MHz 486.0625MHz 483.2875MHz 486.2875MHz 483.3125MHz 486.3125MHz 483.5625MHz 486.5625MHz Downlink :15kHz Uplink : 25kHz ,486.0625MHz, 486.
3.2.4 UHF TWO to Location TWO Technical Specification Frequency Range: Band Width: No. of Paths: RF Connector: RF Impedance: VSWR: Downlink Gain: Uplink Gain: Gain Adjustment: Downlink PA: Uplink PA: Duplexer UP/DN Isolation: Passband Ripple: Noise Figure: Noise Figure: In-Band Spurious: Out-band Spurious up to 3GHz: Downlink Channels: Uplink Channels: 483.0625MHz 486.0625MHz 483.2875MHz 486.2875MHz 483.3125MHz 486.3125MHz 483.5625MHz 486.5625MHz Downlink :15kHz Uplink : 25kHz ,486.0625MHz, 486.
3.2.5 800MHz Bi-directional Amplifier to Location TWO Technical Specification Frequency Range: Band Width: No. of Paths: No. of RF Ports: No. of Fibre Connections: RF Connector: RF Impedance: VSWR: Downlink Gain: Uplink Gain: Gain Adjustment: Downlink PA: Downlink Power: Uplink PA: Uplink Power: Duplexer UP/DN Isolation: Passband Ripple: Noise Figure: In-Band Spurious: MTBF: Supply Input Voltage: Alarms Fitted: Downlink Channels: Uplink Channels: 857.9375MHz 812.9375MHz 859.7625MHz 814.
3.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-22 of 22 GD APPD 15/10/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED PB DBS DRAWN 115V AC INPUT M6 EARTH STUD 620 [2'-0.4"] 555 [1'-9.9"] 1 ALARM 3 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 England SCALE 1:5 670 [2'-2.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-23 of 23 GD APPD 15/10/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED PB DBS DRAWN CABLE GLANDS (FIBRE OPTICS) M6 EARTH STUD 620 [2'-0.4"] 555 [1'-9.9"] 1 ALARM 3 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 England SCALE 1:5 670 [2'-2.
H/book Number:-60-055900HBKM Issue No:-1 dB 30dB 20dB 12-001801 11-007301 32dB dB 483MHz 02-013401 485MHz 30dB 20dB 12-004201 11-007301 dB 20dB dB 20dB 20dB 20dB 20dB -12dBm -22dBm 20dB 15dB 20dB 20dB 25dB 20dB 32dB 6dB 6dB -20dBm 486.5625MHz -20dBm 486.0625MHz -20dBm 6dB 486.2875MHz 32dB 11-007401 32dB 11-007401 -20dBm 6dB -3dBm 11-007401 32dB 11-007401 486.3125MHz -35dBm 483.5625MHz -35dBm 483.0625MHz -35dBm 483.2875MHz -35dBm 483.3125MHz 5dB 485.
5. SUB-UNIT MODULES UHF 1 Air Interface (60-055901) 5.1 5.1.1 Bandpass Duplexers (02-013401) 5.1.1.1 Description The bandpass filters are multi-section designs with a bandwidth dependent upon the passband frequencies, (both tuned to customer requirements). The response shape is basically Chebyshev with a passband design ripple of 0.1dB.
5.1.2 2 & 4 Way UHF Splitters (05-002603 & 05-003401) 5.1.2.1 Description The Splitter/Combiners used are UHF (300-500MHz) devices for accurately matching two or more RF signals to single or multiple ports, whilst maintaining an accurate 50Ω load to all inputs/outputs and ensuring that the VSWR and insertion losses are kept to a minimum. Any unused ports will be terminated with an appropriate 50Ω load. 5.1.2.
5.1.3 ¼Watt 0- -30dB Switched Attenuator (10-000701) 5.1.3.1 General Application In many practical applications for Cell Enhancers etc., the gain in each path is found to be excessive. Therefore, provision is made within the unit for the setting of attenuation in each path, to reduce the gain. 5.1.3.2 Switched Attenuators The AFL switched attenuators are available in two different types; 0 – 30dB in 2 dB steps (as in this case), or 0 – 15dB in 1 dB steps.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B 11-006102 380-500MHz 1W 12-24vDC ******** **/**/20** OR 0086 19 OUT 34 AFL 28 CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-28 of 28 APPD 22/03/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED MNR DRAWN 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 SCALE THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 H G F E D C B A C1 PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-29 of 29 1 THIRD ANGLE PROJECTION RF IN 1 No 1A R1 2 ISSUE C2 8.2pF DESCRIPTION PRODUCTION ISSUE 910R R2 5R6 910R R3 2 3 3 DATE 23/01/02 18nH L1 18nH L2 MNR C3 3.3pF 4 CHKD DRAWN L3 18nH L4 18nH R4 100R C8 1nF APPD IB 23/01/02 DATE ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB MNR 6.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-30 of 30 APPD IB 23/01/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB MNR DRAWN RF IN 1 -ve +6V 220mA -ve +6V 220mA DC INPUT 3 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 SCALE THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD A B V_IN PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-31 of 31 2 1 J1 J5 2 2 1 J4 J3 J4 1 2 J5 J3 1 P1 1 J1 J2 2 >12V DC I/P 1 2 + + C13 10u 1u C4 ZD3 5.
5.1.4.7 Technical Specification (11-007302) Frequency range: Bandwidth: Gain: 1dB Compression Point: 3rd order intercept: Input/Output return loss: Noise figure: Connectors: Supply: operational: Temperature range: storage: Weight: Size: 380-500MHz <140MHz 20-22dB +23.5dB (typical) +36dB (typical) >20dB <1.3dB SMA female 200-230mA @ 24V DC -10°C to +55°C -30°C to +70°C <300gms 90 x 55 x 30.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A 2 11-007302 380-500MHz 20dB 10-24V DC ******** **/**/20** 0086 19 OUT IN 34 AFL 28 CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-33 of 33 APPD IB 9/7/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB DBS DRAWN 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 SCALE THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-34 of 34 APPD IB 5/7/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB DBS DRAWN RF INPUT 1 51R R1 11303-3 CPL1 1nF C3 1nF C1 C4 3.3pF C7 3.3pF 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 TR1 SCALE 330nH G CLY2 TR2 CLY2 D S - S D L4 G Ø1.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-35 of 35 APPD IB 8/7/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB DBS DRAWN RF IN 1 5V 75mA -ve -ve 5V 75mA DC INPUT 3 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 SCALE THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
5.1.4.11 Technical Specification (11-007402) Frequency range: Bandwidth: Gain: 1dB Compression Point: 3rd order intercept: Input/Output return loss: Noise figure: Connectors: Supply: operational: Temperature range: storage: Weight: Size: 380-500MHz <140MHz 30-32dB +22dB (typical) +34dB (typical) >19dB <1.3dB SMA female 300-330mA @ 10-24V DC -10°C to +55°C -30°C to +70°C <300gms 90 x 55 x 30.
Issue No:-1 Date:-13/02/2003 F E D C B A 2 11-007402 380-500MHz 30dB 10-24V DC ******** **/**/20** IN 4 PLACES see note 2 OR 0086 19 OUT IN 35 AFL 28 see note 2 CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-37 of 37 APPD IB 9/7/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB DBS DRAWN 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.1mm TOLERANCES 3 SCALE THIS IS A PROPRIETARY DESIGN OF AERIAL FACILITIES LTD.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-38 of 38 APPD IB 5/7/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB DBS DRAWN RF INPUT 1 51R R1 11303-3 CPL1 1nF C3 1nF C1 3.3pF C7 3.3pF C4 10uF C14 RF OUTPUT + 4 2 8 5 L1 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B A CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-39 of 39 APPD IB 8/7/02 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED CB DBS DRAWN RF IN 1 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.
5.1.5 5Watt Power Amplifier (12-001801) 5.1.5.1 Description The power amplifier fitted to this unit is a multi-stage, solid state class A power amplifier. All the semi-conductor devices are very conservatively rated to ensure low device junction temperatures and a long, trouble free working lifetime. The power amplifier should require no maintenance over its operating life.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-41 of 41 1 ISSUE CR0521 PRODUCTION ISSUE 2 DESCRIPTION PRODUCTION ISSUE (CR0962) 2A No TITLE EDITED 2B 4 DATE 16/9/92 27/1/94 23/12/98 08/11/01 DBS DJL SEW TAS CHKD DRAWN C3 C17 R1 15 FB2 L2 C5 REG1 APPD 14/09/92 DATE 1 21 C6 L6 C7 15 15 L5 23 18 L4 FB4 ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-42 of 42 APPD 19/09/92 DATE RF INPUT 1-14p C2 56p C1 + 1-14p NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.
5.1.5.5 Drg. No.
5.1.5.6 Drg. No.
5.1.5.7 Drg. No.
5.1.6 3 Stage Amplifier Alarm Boards (12-002201) 5.1.6.1 Description Amplifier Alarm Boards are fitted to monitor the bias conditions of AFL Class A amplifiers which remain constant in normal operation. Any departure from normal bias conditions is a result of device failure, excess temperature, over-driving or oscillation (excessive power). In normal operation, the Class A bias circuit of the amplifier develops a constant voltage of 1.20V across the collector current setting resistor.
5.1.6.2 Technical Specification Operating voltage: Alarm Threshold: Max. switch current: Max. switch volts: Max. switch power: Min. switch load: Relay isolation: Mechanical life: Relay approval: Connector details: Temperature range: PCB Size: 8 to 30V (floating earth) Vcc - 1.20 volt +15% Alarm output relay contacts: 1.0Amp 120Vdc/60VA 24W/60VA 10.0µA/10.0mV 1.5kV >2x107 operations BT type 56 15-way 0.
5.1.6.3 Drg. No.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-49 of 49 M L K J I H G F E D C D1 1.23v SR12D 1 + C1 1uF R2 120R R1 1K8 + - IC3 6 5 - IC2 + 7 2 7 3 IC1 , IC2 & IC3 = LM324AM ALL DIODES = LL4148 UNLESS MARKED OTHERWISE R4 3K6 R3 120R 6 5 3 HI R5 100K 4 CONN 2 CONN 1 R6 100K 2 3 R7 100K LOW - IC3 + 11 4 5 1 R8 100K C2 100n 1K R11 VCC +7.
5.1.6.
5.1.7 DC/DC Converter, 24V in, 12V 8A out (13-003011) 5.1.7.1 Description The DC/DC converter fitted is an AFL assembled, high power PCB unit with an 8 amp @ 12V output capability. The circuit is basically an O.E.M semiconductor regulator (one side of which has a heatsink mounting plate, that is usually bolted to the casing of a Cell Enhancer) and smoothing components built onto a printed circuit board with screw block terminations. Note: no circuit diagram of the O.E.M. regulator is available.
5.1.8 Channel Selective & Channel Control Modules (17-003012 & 17-002101) 5.1.8.1 Channel Selective Module Description The channel selectivity module is employed when the Cell Enhancer requirement dictates that very narrow bandwidths (single operating channels), must be selected from within the operating passband. One channel selectivity module is required for each channel.
5.1.8.2 Drg. No.
5.1.8.3 Channel Selectivity Control Module Description The control module consists of a bank of four, in-line data switches each of which control one channel module frequency setting. One controller can therefore control four channel modules. The following list shows the frequencies available for each switch setting. 5.1.8.
5.1.8.5 UHF1 Downlink Channel Module Configuration Table Setting Frequency Gain ALC DIP (off) No.’s B/W 5.1.8.6 D/L(1) 482.2375MHz 15dB -23dB 1,2,13,16 15KHz D/L(2) 470.2625MHz 20dB -23dB 1,3,7,11,12,16 15KHz D/L(3) 470.2125MHz 20dB -23dB 1,7,11,12,16 15KHz UHF1 Uplink Channel Module Configuration Table Setting Frequency Gain ALC DIP (off) No.’s B/W 5.1.8.7 Setting Frequency Gain ALC DIP (off) No.’s B/W 5.1.8.8 Setting Frequency Gain ALC DIP (off) No.’s B/W U/L(1) 473.
5.1.9 Single & Dual 24Volt Relay Boards (20-001602 & 80-008902) 5.1.9.1 24V Relay Boards (20-001602 & 80-008902) Description The General Purpose Dual Relay Board (20-001602) allows the inversion of signals and the isolation of circuits. It is equipped with two dual pole change-over relays RL1 and RL2, with completely isolated wiring, accessed via screw terminals.
5.1.9.2 Drg. No.
5.1.9.3 Drg. No.
5.1.9.4 Drg. No.
5.1.10 SMA coaxial termination (93-930003) 5.1.10.1 Description When a combiner system is used to split or combine RF signals, in many cases it is most cost effective to use a standard stock item 4, 6 or 8 port device where, in fact, only a 3 - 6 port device is needed. In this case the splitter/combiner module has one of its ports terminated (both uplink & downlink) with an appropriate load in order to preserve the correct impedance of the device over the specified frequency range.
5.2 UHF 2 Air Interface (60-055902) 5.2.1 Bandpass Filter (02-013401) See section 5.1.1 5.2.2 4 Port Tx Hybrid Combiner (05-003019) 5.2.2.1 Description The 3dB Hybrid Combiner used is a device for accurately matching two or more RF signals to single or multiple ports, whilst maintaining an accurate 50Ω load to all inputs/outputs and ensuring that the VSWR and insertion losses are kept to a minimum. Any unused ports will be terminated with an appropriate 50Ω load.
5.2.3 Four Way Low Power Splitter (05-003401) See section 5.1.2 5.2.4 ¼Watt 0- -30dB Switched Attenuator (10-000701) See section 5.1.3 5.2.5 Low Noise Amplifiers (11-007302 & 11-007402) See section 5.1.4 5.2.6 3 Stage Amplifier Alarm Boards (12-002201) See section 5.1.6 5.2.7 20Watt Power Amplifier (12-004201) 5.2.7.1 Description The power amplifiers fitted to this unit are multi-stage, solid state power amplifiers.
5.2.7.3 Drg. No.
H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 F E D C B RF INPUT C8 220pF C1 56pF C2 1-14pF FB1 REG.1 LM337T L2 1uH L1 OUT ADJ C4 1-14pF * C5 47pF * R1 1R2 * C6 47pF C7 1nF ARE 50 ohm STRIPLINES IN C3 1uF * TR1 TP5012 FB2 CHKD PBL UHF 1 & 2 Air Interface Maintenance Handbook Page:-64 of 64 APPD BB 3/8/98 DATE 1 ALL DIMENSIONS ARE IN mm UNLESS OTHERWISE STATED GB DBS DRAWN 2 NO DECIMAL PLACE ± 1mm ONE DECIMAL PLACE ± 0.3mm TWO DECIMAL PLACES ± 0.
5.2.7.5 1 CIRC. REF. A B C D E Drg. No. 12-004270C1, PA Parts List(1) 2 3 4 5 DESCRIPTION AFL STOCK REF. C1 93-200006 56pF CHIP CAP 10% TOL.
5.2.7.6 1 CIRC. REF. A Drg. No. 12-004270C2, PA Parts List(2) 2 3 4 5 DESCRIPTION AFL STOCK REF. TR1 REFER TO GA 12-004201 FOR DETAILS TR2 REFER TO GA 12-004201 FOR DETAILS REG1 94-300002 LM337T, VOLTAGE REGULATOR REG2 94-300002 LM337T, VOLTAGE REGULATOR D1 94-120006 2OTQ45 45V DUAL SCHOTTKY DIODE R1 93-540075 1R2 2.
5.2.7.7 Drg. No.
5.2.8 DC/DC Converter, 24V in, 12V 8A out (13-003011) See section 5.1.7 5.2.9 Chan. Selec. & Chan. Contr. Mdls (17-003012 & 17-002101) See section 5.1.8 5.2.10 21MHz IF Filter Board (17-002502) 5.2.10.1 Description The above channel selective modules are fitted with a 21MHz filter board to narrow the channel bandwidth from 30kHz to 15kHz. 5.2.11 Single & Dual 24Volt Relay Boards (20-001602 & 80-008902) See section 5.1.9 5.2.12 SMA Coaxial Termination (93-930003) See section 5.1.10 5.2.
5.2.15 Single Mode Optical Coupler (98-100001) 5.2.15.1 Description Single or dual optical couplers are used whenever it is required to split optical signals for transmission to more than one destination or combine them to a single common input. The couplers are O.E.M devices and are not considered repairable. Any suspected faulty coupler should be replaced. 5.2.16. Fibre Optic Receiver & Transmitter (98-200003 & 98-300003) 5.2.16.
5.2.16.2 Technical Specification Tx: Rx: Frequency Range: Link noise figure: Link noise figure (max.): Total link gain: @30KHz B/W: CNR @ 5 Km link length: @200KHz B/W: @1.2MHz B/W: RF total input power: Input IP3: Optical budget: Max. link length: Response Flatness: Optical Output Power (Tx): Optical Wavelength: Fibre loss: Optical return loss: Optical Connector loss: Power Consumption: 120mA @ 15V DC (320mA @ -10BC) 330mA @ 15V DC 0.1 – 2.
PBL UHF 1 & 2 Air Interface Maintenance Handbook H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 Page:-71 of 71
PBL UHF 1 & 2 Air Interface Maintenance Handbook H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 Page:-72 of 72
PBL UHF 1 & 2 Air Interface Maintenance Handbook H/book Number:-60-055900HBKM Issue No:-1 Date:-13/02/2003 Page:-73 of 73
6. INSTALLATION 6.1 Initial Installation Record When this equipment is initially commissioned, please use the equipment set-up record sheet in Appendix A. This will help both the installation personnel and AFL should these figures be needed for future reference or diagnosis. 6.2 General The size and weight of the wall units mean that they represent a significant health hazard unless they are mechanically installed in the correct manner.
6.5 RF Connections All RF connections are made to the cable termination, located on the right-hand side of the wall enclosure. Care must be taken to ensure that the correct connections are made with particular attention made to the base station TX/RX ports. In the event that the base transmitter is connected to the RX output of the rack, damage to the equipment may be done if the base station transmitter is then keyed. If the environment where the equipment is installed is deemed to be ‘wet’ i.e.
7. MAINTENANCE 7.1 General Procedures 7.1.1 Fault Finding In the event that the performance of the system is suspect, a methodical and logical approach to the problem will reveal the cause of the difficulty. The System consists of modules within a wall mounted, environmentally protected enclosure. Transmissions from the main base stations are passed though the system to the mobile radio equipment; this could be a handheld walkie-talkie, mobile telephone or a transceiver in a vehicle.
7.1.2 Downlink Confirm that there is a signal at the expected frequency and strength from the base station. If this is not present then the fault may lay outside the system. To confirm this, inject a downlink frequency signal from a known source at the master site BTS input and check for output at the remote site feeder output. If a signal is not received at the output it will be necessary to follow the downlink path through the system to find a point at which the signal is lost.
7.1.5 Checking service Following the repair of any part of the system it is recommended that a full end-to-end test is carried out in accordance with the test specification and that the coverage is checked by survey. It is important to bear in mind that the system includes a radiating cable network and base stations that may be faulty or may have been damaged. 7.1.6 Service Support Advice and assistance with maintaining and servicing this system are available by contacting Aerial Facilities Ltd. 7.
7.3 Care of Modules 7.3.1 General Comments Many of the active modules contain semiconductor devices utilising MOS technology, which can be damaged by electrostatic discharge. Correct handling of such modules is mandatory to ensure their long-term reliability. To prevent damage to a module, it must be withdrawn/inserted with care. The module may have connectors on its underside, which might not be visible to the service operative. 7.3.
5) If the amplifier to be removed has a heatsink attached, there may be several different ways it can have been assembled. The most commonly used method, is screws through the front of the heatsink to threaded screw holes (or nuts and bolts), into the amplifier within the main case. If the heatsink is mounted on the rear of the main case (e.g.
APPENDIX A INITIAL EQUIPMENT SET-UP CALCULATIONS GENERAL INFORMATION Client Name: AFL Equip. Model No. Site Name: Date: Model ANTENNA SYSTEMS Gain Azimuth Comments A - Service Antenna B – Donor Antenna Type Loss Length Comments C – Service Feeder D – Donor Feeder INITIAL PARAMETERS E – CE Output Power F – Antenna Isolation G – Input signal level from donor BTS Operating Voltage DOWNLINK CALCULATIONS Parameter Comments Input signal level (G) CE max.
