Avaya Ethernet Switch 5000 Series Manual page 33

3
4
5
6
7
8
The T1 equipment at the far end of the T1 connection must also use an RJ-48C jack. After you
determine the pin assignment of the RJ-48C jack at the far end, determine if you need a
straight-through or crossover cable. You can use an off-the-shelf straight-through cable to
directly connect the T1 SFP module and the far-end T1 equipment if the far end has the pin
assignment as shown in the following table.
Table 5: RJ-48C pin assignments (opposite Tx and Rx connection)
1
2
3
4
5
6
7
8
If the far end connection does not match the connections shown in this table
pin assignments (opposite Tx and Rx connection)
cable. The following table shows the crossover connections.
Table 6: RJ-48C crossover cable connections
Pin
1
2
3
4
5
Installing Transceivers and Optical Components on Avaya Ethernet Switch 5000 Series
Pin
Receive shield
Transmit ring
Transmit tip
Transmit shield
Not used
Not used
Pin
Transmit (Tx) ring
Transmit tip
Transmit shield
Receive (Rx) ring
Receive tip
Receive shield
Not used
Not used
Terminal A
Description
Receive ring
Receive tip
Receive shield
Transmit ring
Transmit tip
Description
Description
on page 33), then you must use a crossover
Terminal B
Pin
1 Transmit ring
2 Transmit tip
3 Transmit shield
4 Receive ring
5 Receive tip
T1 SFP specifications
(Table 5: RJ-48C
Description
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