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Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration
OL-3449-02
Chapter 1 Overview
T3 SMB Cables
Figure 1-3 T3 SMB Cables (SMB Terminates into BNC)
Note Electromagnetic compliance (EMC) was verified with the 10-foot (3.048 meters) shielded cables that
are orderable through Cisco. We recommend that you use only the 10-foot (3.048 meters) shielded T3
SMB cables; otherwise, EMC is not guaranteed.
If you use cables other than those ordered from Cisco, it is your responsibility to ensure that you have a
compliant system that meets local EMC requirements. To order additional cables, use the product
numbers: 2CBLE-SMB-BNC-M (male) and 2CBLE-SMB-BNC-F (female).
Note When you connect the 10-foot (3.048 meters) shielded T3 SMB cables to the 6T3 line card,
be careful not to bend the male cable connector pin when you connect or disconnect the
cables. Observe the receive (RX) and transmit (TX) cabling relationship shown in
Figure 1-4.
Figure 1-4 Connecting T3 SMB Cables
70005
SMB connector Female BNC
connector
Male BNC
connector
TX
LNK
RX
0
66771
7300-6T3
6-PORT T3 DSU
STATUS
OIR
TX
LNK
RX
1
TX
LNK
RX
2
TX
LNK
RX
3
TX
LNK
RX
4
TX
LNK
RX
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