Nortel Networks Passport 4400 - Manual (Page 97)

T1/E1 and Digital Voice Modules Passport 4400 Hardware Installation Manual
9-3
Connectors
Figure 9-4. Pin Assignments for T1 Voice Module
Figure 9-5. Pin Assignments for E1 Voice Module
Test
DSX-1
Interface
RJ48 Interface
Pin 1
Transmit Pair to T1
(Monitor Only)
Transmit Pair from T1
(Monitor Only)
Reserved for future use
1
2
3
4
5
6
7
8 Ring (R)
Tip (T)
Ring 1 (R1)
Tip 1 (T1)
RJ48
Pins 3, 6, 7, 8 Not Connected
Line 1 (DSC-1)
E1 Interface
Connectors
For 75
Ω
Interface
Receive
Pair Transmit
Pair
DB9 Connector
For 120
Ω
Balanced
pair Interface
1
2
3
4
5
6
7
8 Tx Tip
Rx Tip
Tx Ring
Rx Ring
Reserved for Future use
Pins 2, 4, 5, 7 Not Connected