Nortel NT1R20 Description page 299

QPC789 16-port Message Waiting Analog Line Card
Table 79
16-port message waiting analog line card—backplane connections
Pin
36A
29A
2A
9A
36B
29B
2B
9B
38A
31A
4A
11A
38B
31B
4B
11B
Signal
Line 0, Tip
Line 1, Tip
Line 2, Tip
Line 3, Tip
Line 4, Tip
Line 5, Tip
Line 6, Tip
Line 7, Tip
Line 8, Tip
Line 9, Tip
Line 10, Tip
Line 11, Tip
Line 12, Tip
Line 13, Tip
Line 14, Tip
Line 15, Tip
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Pin Signal
37A Line 0, Ring
30A Line 1, Ring
3A Line 2, Ring
10A Line 3, Ring
37B Line 4, Ring
30B Line 5, Ring
3B Line 6, Ring
10B Line 7, Ring
39A Line 8, Ring
32A Line 9, Ring
5A Line 10, Ring
12A Line 11, Ring
39B Line 12, Ring
32B Line 13, Ring
5B Line 14, Ring
12B Line 15, Ring
Line cards Description