Specifications

MDS 05-3438A01, Rev. E MDS 4790/9790 Series I/O Guide 5
• Primary power options for: 15, 24, 48, or 125 Volt DC and
115/230 Volts AC sources.
• Configuration, control and diagnostics from front panel display
or connected PC
• Remote diagnostics via a connected PC and radio software
• Time stamping of alarms and major events
• Flexible mounting (rack or tabletop); front panel can be (option-
ally) mounted separately from radio chassis
2.5 Accessories
The radio can be used with one or more of the accessories listed in
Table 1. Contact the factory for ordering information.
Table 1. Radio Accessories
Option Description Part No.
Diagnostics and
Control Software
PC-based software for control, diagnostics,
and software upgrades of the radio.
03-3533A01
Diagnostic and
Control Interface
Cable
Allows connection of a PC to the radio for
control and diagnostics (DB-9 to DB-9).
97-1971A04
Front Panel Rack
Mounting Kit
Allows rear-rack mounting of the detachable
front panel. Used in installations where all
controls and indicators must be accessible
from the rear of the radio.
03-3228A01
Orderwire Handset Allows orderwire communications with other
stations in the network.
12-1307A01
Cavity Filter Kit
(For MDS 9790x)
Removes or attenuates interfering 900 MHz
signals from the receiver input. May be
necessary in areas with high powered
stations nearby, such as paging transmitters.
Available for use with an internal or external
duplexer.
03-3621Axx
RF Combiner
Panel, 24 MHz
splits
(MDS 9790x only)
Combines the outputs of two master stations
into one antenna. Designed for cases where
both masters use a 24 MHz split.
03-1882Axx
RF Combiner
Panel, 9/24 MHz
splits
(MDS 9790x only)
Combines the outputs of two master stations
into one antenna. Designed for cases where
one master uses a 9 MHz split and the other
uses a 24 MHz split.
03-3665Axx
Redundant Radio
Upgrade Kit
Adds an additional transceiver board and
power supply to a single-radio chassis.
Operating frequency must be specified when
ordering.
Consult Fac-
tory