Aastra OpenCom 510 User Manual page 76

Modules
Pin Number
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:
LED 1: Constantly yellow
LED 2: Constantly green
Flashing yellow
74
Assignment
0 V
0 V
–42 V
Not used
Not used
At least one connection established through
the interface card is active.
The interface card is operational; the slot has
been activated (flickering is normal).
The interface card is ready, but the slot has not
been activated or the interface card has not
been configured yet.
MT+S2M1-1