Comtech EF Data CRS-311 - Manual (Page 53)

CRS-311 1:1 Redundancy Switch Revision 7
Cables and Connections MN/CRS311.IOM
3–5
3.2.4 Data Traffic Connections – CRS-311 to Modems
3.2.4.1 EIA-530 V.35/EIA-232 Data Traffic Connections
Referring to Figure 3‐2, connect and secure the CA/WR0066‐4 25‐pin Control and Data Cable
between the CRS‐311 and each CDM‐Qx/QxL as follows:
• From the DB‐25M connector labeled “P2” on the RMI or “P1” on the TMI, to
• The DB‐25F connector labeled “EIA‐530” on the demodulator.
3.2.4.2 Balanced G.703 Data Traffic Connections
Referring to Figure 3‐3, connect and secure the CA/WR9038‐4 15‐pin Data Cable between the
CRS‐311 and each CDM‐Qx/QxL as follows:
• From the DB‐15M connector labeled “P1” on the RMI or TMI, to
• The DB‐15F connector labeled “G.703” on the demodulator.
3.2.4.3 Unbalanced G.703 Data Traffic Connections
Referring to Figure 3‐4:
• First, connect and secure the CA/WR0813‐4 BNC Tx Cable between the CRS‐311 and
each CDM‐Qx/QxL as follows:
o From the BNC connector labeled “J4” on the RMI or “J3” on the TMI, to
o The BNC connector labeled “Tx” on the demodulator.
• Next, connect and secure the CA/WR0813‐4 BNC Rx Cable between the CRS‐311 and
each CDM‐Qx/QxL as follows:
o From the BNC connector labeled “J3” on the RMI or “J5” on the TMI, to
o The BNC connector labeled “Rx” on the demodulator.
3.2.4.4 HSSI Data Traffic Connections
Referring to Figure 3‐5, connect and secure the CA/WR9189‐4 HSSI Data Cable between the
CRS‐311 and each CDM‐Qx/QxL as follows:
• From the HSSI connector labeled “J2” on the RMI or “J3” on the TMI, to
• The HSSI connector labeled “HSSI” on the demodulator.