Aastra OpenCom 510 User Manual page 72

Modules
The following table shows the pin assignment for the RJ45 connector of the power
feed cable (labelled
"–42 V"; see the illustration MT+S2M1-1: Front view on page 68):
Pin Number
1
2
3
4
5
6
7
8
Indicators
There are four LEDs on the front of the MT+S2M1-1 interface card.
MT+S2M1-1
1 3
2 4
MT+S2M1-1: LEDs
The LEDs indicate the following:
70
Assignment
Not used
Not used
–42 V
0 V
0 V
–42 V
Not used
Not used
MT+S2M1-1