User's Manual

Setup and Test
113
3 Green Link failure Trinity 1 OFF
4 Green Link failure Trinity 2 OFF
5 Green Link failure Trinity 3 OFF
6 Green Link failure Trinity 4 OFF
7 Green Link failure Trinity 5 OFF
8 Green Link failure Trinity 6 OFF
9 Green Link failure Trinity 7 OFF
10 Green Link failure Trinity 8 OFF
11 Green Link failure Trinity 9 OFF
12 Green Link failure Trinity 10 OFF
13 Green Link failure Trinity 11 OFF
14 Green Link failure Trinity 12 OFF
DTU
Position Colour Description Status
TOP
1
Red Card failure LED, which shall be alight if the
card self test fails, or if commanded by the
SC.
OFF
2 Green Card busy LED, to indicate live traffic is
present and should not be removed.
ON
3 Red/Yellow E1/T1 port 1 Alarm *
4 Red/Yellow E1/T1 port 2 Alarm *
5 Red/Yellow E1/T1 port 3 Alarm *
6 Red/Yellow E1/T1 port 4 Alarm *
7 Red/Yellow E1/T1 port 5 Alarm *
8 Red/Yellow E1/T1 port 6 Alarm *
9 Red/Yellow E1/T1 port 7 Alarm *
10 Red/Yellow E1/T1 port 8 Alarm *
LED Yellow if T1/E1 signal is being received with some other alarm condition. (e.g. remote
alarm or sync fail) being sent, Red if T1/E1 signal not received.
AU
Position Colour Description Status