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DMD2401 LB/ST L-Band Satellite Modem and ODU Driver
Directly-Addressed Equipment
Broadcast (all directly-linked devices)
DMD-3000/4000, 4500 or 5000 Mod Section, DMD15
DMD-3000/4000, 4500 or 5000 Demod Section, DMD15
RCU-340 1:1 Switch
RCS-780 1:N Switch
RMUX-340 Cross-Connect Multiplexer
CDS-780 Clock Distribution System
SOM-340 Second Order Multiplexer
DMD-4500/5000 Modulator Section
DMD-4500/5000 Demodulator Section
RCU-5000 M:N Switch
DMD15 Modulator
DMD15 Demodulator
DMD15 Modem
DVB3000 Video Demodulator
RCS20 M:N Switch
RCS10 M:N Switch
RCS11 1:1 Switch
DMD2401 LB/ST Modem
Unused
Note that multi-drop override IDs 01 or 02 can be used interchangeably to broadcast a message
to a DMD3000/4000 modem, or to a DMD4500/5000, or to a DMD15 modem. Radyne
ComStream Corporation recommends that the multi-drop override IDs be issued only during
system configuration as a bus test tool by experienced programmers, and that they not be
included in run-time software. It is also advantageous to consider the use of multiple bus
systems where warranted by a moderate to large equipment complement. Therefore, if a
DMD2401 LB/ST is queried for its equipment type identifier, it will return a "27".
4.4.6 Software Compatibility
The DMD2401 LB/ST RLLP is not software-compatible with the following
previous Radyne products: RCU5000 and DMD4500. These products may
not occupy the same bus while using this protocol as equipment
malfunction and loss of data may occur.
TM075 - Rev. 1.3
User Interfaces
Multi-Drop Override ID
00
01
02
03
04
05
06
07
08
09
10
20
21
22
23
24
25
26
27
28-31
4-35
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