1 configuration and cable connections summary, 1 control switch unit (csu) configurations, 2 data switch unit (dsu) configurations – Comtech EF Data CRS-500 User Manual
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CRS-500 1:N Redundancy System
Revision 2
Cables and Connections
MN-CRS500
4–3
4.1.1 Configuration and Cable Connections Summary
4.1.1.1 Control Switch Unit (CSU) Configurations
Modem Terrestrial Interface
Mode of
Operation
M&C Controller Module
Power Supply Module
CSU to DSU Cable Required
Modem to CSU Comms Module
Modem to CSU
Comms Cable
CDM-625
IP Packet Processor
Layer 3 or
Bridge
CRS-530
CRS-541 (AC)
CRS-551 (DC)
(1) CA-0000234
N/A
(Through TMI)
N/A
EIA-422/530, V.35,
Sync EIA-232
Any
CRS-512
PP/CAT5FF7FTGY*
CDM-750
G.703
(T3, E3, STS-1)
Any
CRS-530
CRS-541 (AC)
CRS-551 (DC)
(1) CA-0000234
CRS-512
PP/CAT5FF7FTGY*
GbE Copper
N/A
(Through TMI)
N/A
* Note: One per online modem
4.1.1.2 Data Switch Unit (DSU) Configurations
Modem
Terrestrial
Interface
Mode of
Operation
RMI
TMI
RMI
RMI to Modem
Comms
RMI to Modem
Control / Fault Cable
RMI to Modem
Terr Data Cable
TMI
TMI to Modem
Comms
TMI to Modem
Control / Fault Cable
TMI to Modem
Terr Data Cable
CDM-625
IP Packet Processor Layer 3 or
Bridge
CRS-510 PP/CAT5FF7FTGY
CA-0000066
PP/CAT5FF7FTGY CRS-520* PP/CAT5FF7FTGY*
CA-0000069*
PP/CAT5FF7FTGY*
EIA-422/530, V.35,
Sync EIA-232
Any
N/A
CRS-316*
CA-0000066
CA-0000066
CDM-750
G.703
(T3, E3, STS-1)
Any
CRS-505
N/A
CA-0000069
CA-0000750
CRS-345*
N/A
CA-0000069*
CA-0000703*
GbE Copper
PP/CAT5FF7FTGY
PP/CAT5FF7FTGY CRS-516* PP/CAT5FF7FTGY
CA-0000069*
PP/CAT5FF7FTGY*
* Note: One per online modem