OMC can't see the external alarm

[ahmedze]

Hi guys;

See the picture below.

OMC can't see external Alarm but can see the sites,What's the solution?

Thanks in advance

[adewijaya]

what is it does mean? how to for hardware installation or software problem?

[jamal]

May be connection to the DXU is mising. Like the EC Bus cable from External alarm unit.

CMIIW.

JM