Product specifications
Table Of Contents
- 1.0 ABOUT THIS MANUAL
- 2.0 PRODUCT DESCRIPTION
- 2.1 Transceiver Features
- 2.2 Model Number Codes
- 2.3 Spread Spectrum Radios— How Are They Different?
- 2.4 Typical Applications
- Multiple Address Systems (MAS)
- Point-to-Point System
- Adding a Tail-End Link to an Existing Network
- Extending a TransNET Network with a Repeater
- 2.5 Accessories
- 3.0 INSTALLATION PLANNING
- 3.1 General Requirements
- 3.2 Site Selection
- Terrain and Signal Strength
- Conducting a Site Survey
- 3.3 A Word About Radio Interference
- 3.4 Antenna & Feedline Selection
- Antennas
- Feedlines
- Antenna System Ground
- 3.5 How Much Output Power Can be Used?
- 4.0 INSTALLATION
- 4.1 Transceiver Installation
- 4.2 Configuring Multiple Remote Units
- 4.3 Tail-End Links
- 4.4 Configuring a Network for Extensions
- 5.0 OPERATION
- 5.1 Initial Start-up
- 5.2 Performance Optimization
- Antenna Aiming
- Antenna SWR Check
- Data Buffer Setting—Modbus Protocol
- Hoptime Setting
- TotalFlow™ Protocol at 9600 with Sleep Mode
- Operation at 115200 bps
- Baud Rate Setting
- Radio Interference Checks
- 6.0 RADIO PROGRAMMING
- 6.1 Radio Programming Methods
- Terminal Interface
- PC-Based Configuration Tool
- 6.2 User Commands
- Entering Commands
- 6.3 Detailed Command Descriptions
- ADDR [1–65000]
- AMASK [0000 0000–FFFF FFFF]
- AT [ON, OFF]
- ASENSE [HI/LO]
- BAUD [xxxxx abc]
- BAND [A, B, C]
- BUFF [ON, OFF]
- CODE [NONE, 1…255]
- CSADDR [1–65000, NONE]
- CTS [0–255]
- CTSHOLD [0–60000]
- DEVICE [DCE, CTS KEY]
- DLINK [xxxxx/ON/OFF]
- DKEY
- DTYPE [NODE/ROOT]
- FEC [ON, OFF]
- HOPTIME [7, 28]
- INIT
- HREV
- KEY
- LED [ON, OFF]
- LPM [1, 0]
- LPMHOLD [0–1000]
- MODE [M, R, X]
- MRSSI [NONE, –40...–90]
- OT [ON, OFF]
- OWM [xxxxx]
- OWN [xxxxx]
- PORT [RS232, RS485]
- PWR [20–30]
- REPEAT [0–10]
- RETRY [0–10]
- RSSI
- RTU [ON, OFF, 0-80]
- RX [xxxx]
- RXD [0–255]
- RXTOT [NONE, 0–1440]
- SAF [ON, OFF]
- SETUP
- SER
- SHOW CON
- SHOW PWR
- SHOW SYNC
- SKIP [NONE, 1...8]
- SLEEP [ON, OFF]
- SREV
- STAT
- TEMP
- TX [xxxx]
- UNIT [10000–65000]
- XADDR [0–31]
- XMAP [00000000-FFFFFFFF]
- XPRI [0–31]
- XRSSI [NONE, –40...–120]
- ZONE CLEAR
- ZONE DATA
- 7.0 TROUBLESHOOTING
- 7.1 LED Indicators
- 7.2 Alarm Codes
- Checking for Alarms—STAT command
- Major Alarms versus Minor Alarms
- Alarm Code Definitions
- 7.3 Troubleshooting Chart
- 7.4 Performing Network-Wide Remote Diagnostics
- 7.5 Internal Fuse Replacement
- 8.0 RADIO FIRMWARE UPGRADES
- 8.1 Obtaining New Firmware
- Saving a Web-Site Firmware File Onto Your PC
- 8.2 Installing Firmware Into Your Radio
- 9.0 OPERATING PRINCIPLES AND CONFIGURATION
- 9.1 SAF Operation with Extension Radios
- Simple Extended SAF Network
- Extended SAF Network
- Retransmission and ARQ Operation
- SAF Configuration Example
- 9.2 Synchronizing Network Units
- Synchronization Messages
- 9.3 Using AT Commands
- 9.4 Configuration Parameters for Store-and-Forward Services
- 9.5 Using the Radio’s Sleep Mode (Remote Units Only)
- Sleep Mode Example
- 9.6 Low-Power Mode (LPM)—Master Enabled
- Setup Commands
- Reading RSSI and Other Parameters with LPM Enabled
- Power Consumption Influence by HOPTIME and SAF Settings
- 9.7 Low-Power Mode versus Remote’s Sleep Mode
- 9.8 Mobile Operation Support
- Introduction
- Operational Influences—Hoptime & SAF
- 9.9 MIRRORED BITS™ Protocol Support
- 9.10 Seamless Mode Emulation
- Master Station Configuration
- Antenna System for Co-Located Master Stations
- 10.0 TECHNICAL REFERENCE
- Pin Descriptions—RS/EIA-232 Mode
- Pin Descriptions—RS/EIA-422/485 Mode
- Using the I/O Points with InSite™ NMS Software
- Application Example—Digital Input and Output at a Remote
34 MDS TransNET Ref. Manual MDS 05-2708A01, Rev. E
HOPTIME [7, 28]
Radio Transmitter Hop Timing
The HOPTIME command is used to set or display the hop-time setting. The
command is a digit corresponding to the hop-time setting in milliseconds. The
default
HOPTIME setting is 7. A setting of 28 must be used when throughputs
exceed 57,600 bps and is recommended when data transmission sizes exceed
256 bytes.
Changes to the
HOPTIME setting may only be made at the Master radio. (This
is because the Master radio establishes the hop-time setting for the entire
network.) At Remote radios, the hop-time setting may be read when the radio
is in synchronization with the Master, but it cannot be changed.
INIT
Initialize; Restore to Factory Defaults
The INIT command is used to reset the radio’s operating parameters to the
factory defaults listed in Table 12 on Page 34. This may be helpful when
trying to resolve configuration problems that resulted from the entry of one
or more improper command settings. If you are unsure of which command
setting caused the problem, this command allows you to get back to a known
working state.
NOTE: Caution should be exercised when using the INIT command on radios in a sys-
tem employing the Store-and-Forward feature. Settings relating to the use of Ex-
tension services will be lost and will need to be re-entered. Record the settings
for XADDR, XPRI and XMAP before using the INIT command.
SPECIAL
NOTE: Installing firmware of Revision 3.0 or later into a radio with Revisions 1.x firm-
ware will preserve the radio’s compatibility with other radios running Revision
1.x firmware. If updating the radio’s firmware is part of a system-wide upgrade,
the last step should be to use the INIT command at the Master station. Use of
the
INIT command causes the changes shown in Table 12 to be applied.
Table 12. INIT Command Generated Defaults
Parameter Default Setting
Corresponding
Command
For ALL radios
Alarm Mask FFFF FFFF AMASK
Alarm Output Sense RS-232 High (+5.0 Vdc) ASENSE
Device Operation DCE DEVICE DCE
DATA Interface Port • 9600 baud
• 8 data bits
• none (no parity)
• 1 stop bit
BAUD 9600 8N1
Data Port Setting RS/EIA-232 PORT RS232
CTS Delay 0 (CTS is continuously asserted) CTS 0
CTS Hold-Time 0 CTSHOLD 0