GE MDS 4710A Technical Manual page 62

unsquelched signal (Pin 10) 11
Redundant operation, defined 46
Remote
Station, defined 46
Station, illustrated 6
Resetting
Hand-Held Terminal (HHT) (SHIFT,CTRL,SPACE
keys) 16
transceiver (INIT command) 27
Revision level
display hardware (HREV command) 27
display software (SREV command) 31
RSSI
adjusting helical filter for increased signal strength 36
command 29
command, used to refine antenna heading 14
measuring 14
pinout (Pin 21) 12
vs. Vdc, illustrated 12, 15
RTS pinout (Pin 4) 11
RTU
command 29
RTU (Remote Terminal Unit)
defined 46
RUS pinout (Pin10) 11
RX command 29
RXD LED
description 14
Pin 3 11
RXLEVEL command 30
RXTOT command 30, 32
S
Safety 10
SCADA (Supervisory Control And Data Acquisition),
defined 46
SCD command 30
SER command 30
Set
alarm output state (ASENSE command) 23
alarm triggers (AMASK command) 21
receive time-out timer value (RXTOT command) 30, 32
SHOW command 30
Signal
ground (Pin 7) 11
loss due to coaxial cable length at 960 MHz, table 10
loss due to coaxial cable length, table 9
Simplex 3
single-frequency operation 4
special case of switched carrier operation 4
Sleep mode
example implementation 13
ground on Radio Inhibit pin activates 11
Pin 12 11
shown by PWR LED status indicator 14
SNR command 30
Software
diagnostics and control used from PC 40
display revision level 31
upgrades (.S28 files) 41
upgrading 40
used for diagnostics and programming 15
Specifications
diagnostics interface 36
environment 36
power 36
I-4 MDS 4710/9710 Technical Manual
receiver 36
receiver system 35
transceiver 35–36
transmitter 35
transmitter system 35
SREV command 31
Standing Wave Ratio—See SWR. 46
STAT command 31
Supervisory Control And Data Acquisition—See SCADA. 46
Switched-Carrier 3
SWR (Standing Wave Radio), defined 46
T
Tables
accessories 5
alarm code definitions 34
command summary 19
conversions, dBm-Watts-Volts 43
data interface connector pinouts 11
Hand-Held Terminal (HHT) operational settings 17
LED status indicators 14
length vs. loss in coaxial cables 9
length vs. loss in coaxial cables at 960 MHz 10
Technical reference 35–43
TEMP command 31
Temperature, displaying internal (TEMP command) 31
TEXT TOO LONG error message 19
Timer, set/display time-out value and status (TOT
command) 31
TOT command 31
Transceiver
applications 2
configuring for operation 7
connectors and indicators, illustrated 1
diagnostics using PC software 40
dimensions, mounting 8
mounting 6, 7
programming 15–32
specifications 35–36
upgrading software 40
Transmit Audio Input pinout (Pin 9) 11
Transmitter
specifications 35
system specifications 35
Troubleshooting 32–34
connecting Hand-Held Terminal (HHT) for displaying
alarm codes 15
performing network-wide diagnostics 37, 39, 41
STAT command (Status) 33
using PC software for 40
TX command 31
TXD LED
description 14
Pin 2 11
TXLEVEL command 32
U
UNIT command 32
UNKNOWN COMMAND error message 19
05-3305A01, Rev. E