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CRS-300 1:10 Redundancy Switch
Cables and Connections
4.8.3
Control Cable Connections – CRS-300 to Modems
The Control Cable CA/WR12361-1 provides the serial communication path between the Switch
and the modems and controls the modem's external Tx IF-mute control line, and is therefore
always required.
Refer to Figure 4-28 and Figure 4-29 to connect and secure the CA/WR12361-1 cables
between each CDM-710 and the CRS-300 as follows:
•
HD-15F connector labeled "J1" on the RMI or TMI(s), to
•
DB-15M connector labeled "P1 Alarms" on the CDM-710.
4.8.4
Serial Traffic Data Connections – CRS-300 to Modems
If ASI is the traffic data type , refer to Figure 4-28 to connect and secure the pair of BNC
PL/0813-8 cables between the CRS-300 and each CDM-710 as follows:
•
BNC connectors labeled "J4 Tx" on the RMI or "J3 Tx"on the TMI(s) to BNC
connectors labeled "Tx J4" on the CDM-710's CDI-40 interface card, to
•
BNC connectors labeled "J3 Rx" on the RMI or "J5 Rx"on the TMI(s) to BNC
connectors labeled "Rx J2" on the CDM-710's CDI-40 interface card.
If HSSI is the traffic data type , refer to Figure 4-29 to connect and secure the HSSI Data Cable
CA/WR9189-6 between the CRS-300 and each CDM-710 as follows:
•
HSSI (HD-50F) connector labeled "J2" on the RMI or "J3" on the TMI(s), to
•
HSSI (HD-50F) connector labeled "J1 HSSI" on the CDM-710's CDI-60 interface card.
4.8.5
Ethernet Traffic Data Connections - CRS-300 to Modems
To handle Ethernet traffic data, the User routes the Ethernet data through the CRS-300 Switch
like G.703 or HSSI data. This method of processing data through the CRS-300 is referred to as
wired-thru . For detailed information on this method, refer to
NETWORK CONFIGURATIONS
For the wired-thru connection, refer to Figure 4-29 to connect and secure the Cat5 Data Cable
PP/CAT5FF7FTGY (RJ-45 to RJ-45, 7') between the CRS-300 and each CDM-710 as follows:
•
RJ-45 connector labeled "J5" on the RMI or TMI(s), to
•
RJ-45 connector labeled "J1" on the CDM-700 (CDI-70) interface card.
4.8.6
User Data Connections – CRS-300 to User
The User's traffic data (from an external router, multiplexing equipment or test data generator)
should connect to the connectors on the TMI labeled "User Data Interface". This interface
replaces the direct connection to the Traffic Modem's "Data Interface" connectors.
Because the Redundant Modem's function is to replace a faulted Traffic Modem, the RMI does
not have a User Data Interface. Refer to
information on the RMI and TMI cards available for use with the CDM-710 modems.
in this manual.
Chapter 1.4.4 Modem Interface Cards
4–61
Revision 16
MN/CRS300.IOM
Chapter 3. ETHERNET
for detailed
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