This shows wiring with both the discontinued PD-1 paging adaptor, which connect TD/H Series handsets to external amplifiers.
5 TD-12H/B, 1 PD-1 Paging Adaptor
1 IF-DA, 1 TD-1H/B, 1 DE-UR Door Station Adaptor
1 IF-DA, 4 TD-6H/B, 1 DE-UR Door Station Adaptor
TD-1H/B with PD-1 or PD-2 Paging Adaptors
1 TD-6H/B, 4 TD-1H/B
1 TD-12H/B, 2 TD-3H/B
2 TD-1H/B
2 TD-1H/B, 2 RY-AC External Signaling Adaptors
3 TD-3H/B
4 TD-3H/B
4 TD-6H/B
5 TD-6H/B
5 TD-12H/B, 1 PD-1 Paging Adaptor
6 TD-1H/B, 2 TD-6H/B
7 TD-6H/B
7 TD-12H/B, 5 PD-2 Paging Adaptors
8 TD-3H/B, 1 TD-12H/B
9 TD-12H/B
10 TD-1H/B, 1 TD-12H/B
10 TD-12H/B
12 TD-1H/B, 1 TD-12H/B, 12 RY-AC External Signaling Adaptors
12 TD-12H/B
15 TD-24H/B with legacy MY-CU