Specifications

MDS 05-3438A01, Rev. E MDS 4790/9790 Series Installation and Operation Guide I-5
Mounting the radio 11
dimensions and bracket details, illustrated 12
rack mount 11
remote front panel mount 12
tabletop mount 11
N
Network-wide diagnostics
enable/disable (DLINK command) 41
enable/disable internal RTU (RTU command) 48
illustrated 81
set radio to root or node (DTYPE command) 42
set time to wait between characters (DMGAP
command) 42
NMASK command (classify minor alarm events). See also
AMASK command 45
O
Operation 24–59
normal indications 24
start-up 24
OPT! command (list installed radio options 46
Options
list installed (OPT! command) 46
Output Power screen 65
OWM command (set/display text message) 46
OWN command (set/display text message) 46
P
Path loss
calculating 98
free space, formula 98
PC
command summaries 30–35
commands, detailed descriptions 31–55, ??–69
connected to the master station, illustrated 28
connecting to the radio for diagnostics and control 28
diagnostic port cable, illustrated 29
Performance testing 79
Pinouts
set/display Pin 25 alarm output (ASENSE command) 38
Polling-remote operation 3
illustrated 4
Power
AC-powered units 14
connecting battery 15
connecting primary 13
DC power supply, illustrated 14
DC-powered units 14
display actual RF output (SHOW command) 51
set/display forward output (PWR command) 47
set/display output (Output Power screen) 65
supply assembly 82
supply removal, illustrated 83
Problem solving 75–91
at the local level 76
bench test setup 79
use of event log in 78
using LCD display 78
using LED indicators 76
Procedures
assembly replacement 82
bench test 79
changing radio functions 60
connecting battery power 15
connecting interface wiring 17
connecting PC for diagnostics 28
connecting primary power 13
diagnostics 75–91
diagnostics using event log 78
diagnostics using LED indicators 76
diagnostics, local 76–80
feedline installation 17
installation 10–24
installation planning 6–10
mounting the radio 11
navigating LCD screens 58
post-installation checks 24
start-up and operation 24–59
toggle between display-only and configuration modes 59
Programming radio as root or node 80
PTT command (set/display push-to-talk delay) 47
Push-to-Talk Delay screen 66
PWR command (set/display RF forward output power) 47
R
Radio
accessories 5
description 1
display model number (PC command) 45
display serial number (SER command) 50
display software revision number (Software Revision
screen) 74
display transmitter state (LCD screen) 74
illustrated 1
key features 4
model number codes 6
removing antenna switch module 89
removing internal duplexer 85, 89
removing or re-installing front panel 84
set date (LCD screen) 73
set time (LCD screen) 73
set/display active transceiver board (LCD screen) 74
set/display address (Unit Address screen) 69
set/display address (UNIT command) 55
using LCD to set functions 60
RADIO command (set/display active transceiver board) 47
Radio Selection screen 74
Receive attenuator, enable/disable (Receive Pad screen) 71
Receive Frequency screen 65
Receive Level screen 71
Receive Pad screen 71
Receive Signal Strength screen 73
Receiver specifications 94
Redundancy 2
Removing
antenna switch module 89
Antenna switch module, illustrated 90
assemblies 82
front panel 84
front panel, illustrated 85
internal duplexer 85, 89
internal duplexer, illustrated 89
transceiver boards, about 82
REPEATER command (enable/disable repeater
configuration) 48
Repeater Mode screen 67