Mitel Aastra 470 System Manual page 143

Connection
Tab. 66 Connection of individually assigned FXS terminal interface
Communication server
Socket Pin
1
2
3
4
5
6
7
8
Aastra 470 as of R3.2
syd-0337/1.6 – R3.2 – 09.2014
Cable cores
Analogue
signal
–
–
–
a
b
–
–
–
Installation
Connection socket
Analogue
Pin
signal
– 1
– 2
– 3
a 4
b 5
– 6
– 7
– 8
Socket
143