Users Manual

16 MDS™ Master Station MDS 05-6399A01, Rev. G
Table 2-2. Module Descriptions
Module Name ID Function
Power Supply 1
Power Supply 2
6843: (+/- 12-36 VDC)
6844: (+/- 36-75 VDC)
6845: (+/- 75-140 VDC)
6755: (110/220 VAC)
Provides operating power based on a variety of AC and
DC input options. Up to two power supply modules may
be installed in the chassis (AC or DC; any combination. In
a redundant configuration, both power supplies work in
tandem and are independent of which radio is currently
active.
Platform Manager 6834 Provides management and data interface functions.
Radio A
Radio B
6846
6846
Single or redundant SD or LN Master radios.
Alarm/Relay Module
Alarm Module
6847
6848
Redundant—Active radio RF relay and alarm/audio
interface.
Non-redundant—Alarm and audio interface.
Duplexer 6837 Internal RF duplexer (if equipped). Allows simultaneous
transmission and reception of signals on separate TX/RX
frequencies, using a single antenna.
2.3 Rear Antenna Connections
Figure 2-4. MDS™ Master Station, Rear Panel
Showing Antenna Connection & Heatsink
(Other configurations possible for external items such as duplexer or cavity filter)