1 wired-thru connections, 2 wired-around connections – Comtech EF Data CRS-300 User Manual

Page 150

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CRS-300 1:10 Redundancy Switch

MN/CRS300.IOM

Cables and Connections

Revision 19

4–76

BNC connectors (four connectors per installed CDI-10 card) on each Traffic CDM-700

(depending on the modem configuration, either <4X> or <8X> BNC connectors are used).

If HSSI is the traffic data type, see Figure 4-31 and Figure 4-34 and do these steps to connect

and secure the HSSI Data Cable CA/WR9189-6 between the Switch and each CDM-700:

HSSI (HD-50F) connector labeled “J2” on the Switch RMI, or “J3” on the Switch TMI(s), to

HSSI (HD-50F) connector labeled “HSSI” on each CDM-700.

If OC-3 copper is the traffic data type, see Figure 4-32 and do these steps to connect and

secure the pair of BNC PL/0813-8 cables between the Switch and each CDM-700:

BNC connectors labeled "J4 Tx" on the Switch RMI, or "J3 Tx" on the Switch TMI(s), to BNC

connectors labeled "Tx" on the CDM-700's CDI-50 plug-in module, and

BNC connectors labeled "J3 Rx" on the Switch RMI, or "J5 Rx"on the Switch TMI(s), to BNC

connectors labeled "Rx" on the CDM-700's CDI-50 plug-in module.

4.10.5 Ethernet Traffic Data Connections – CRS-300 to Modems

You have two choices for handling Ethernet traffic data:

If the Traffic Modem uses Ethernet as the sole traffic data type, then you must route the

Ethernet data through the Switch like G.703 or HSSI data. This is known as the wired-thru

method for processing data through the Switch.

If the Traffic Modem uses Ethernet plus another data type like G.703 or HSSI, then the

Ethernet data can be routed around the Switch. This is known as the wired-around method

for processing data around the Switch.

Appendix A. ETHERNET NETWORK CONFIGURATIONS

4.10.5.1 Wired-thru Connections

For the wired-thru connection method, see Figure 4-32 and Figure 4-33. Do these steps to

connect and secure the CAT5 Data Cable PP/CAT5FF7FTGY between the Switch and each CDM-

700:

RJ-45 connector labeled “J5” on the Switch RMI or TMI(s), to

RJ-45 connector labeled “J1” on the CDM-700 (CDI-70) plug-in modules.

4.10.5.2 Wired-around Connections

For the wired-around connection method, see Figure 4-34 and Figure 4-35. Do these steps to

connect and secure the CAT5 Data Cable PP/CAT5FF7FTGY for each CDM-700:

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