Mitel Aastra 470 System Manual page 152

Installation
Tab. 73 Wiring of sockets 1–4 in the fan-out panel FOP
Fan-out panel FOP
Socket Pin
1-4 1
2
3
4
5
6
7
8
152
Internal wiring
Signal
3a
3b
2a
1a
1b
2b
4a
4b
Fan-out panel FOP
Signal Pin Socket
– 1
– 2
– 3
1a 4
1b 5
– 6
– 7
– 8
– 1
– 2
– 3
2a 4
2b 5
– 6
– 7
– 8
– 1
– 2
– 3
3a 4
3b 5
– 6
– 7
– 8
– 1
– 2
– 3
4a 4
4b 5
– 6
– 7
– 8
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
1
2
3
4