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Clear Channel 6-Port T3 (DS3) Line Card Installation and Configuration
OL-3449-02
Chapter1 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 th e 1 0-f oot (3. 048 m ete rs) shie lde d 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 car d,
be careful not to bend the male cable conn ect or pi n whe n you c onn ec t or d iscon ne ct 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
1TX
LNK
RX
2TX
LNK
RX
3TX
LNK
RX
4TX
LNK
RX
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