3.15.1 Starting the PBX
For an Expansion Shelf
Indication
Color
RUN
Green
ALARM
Red
Confirming the CO Line Connection
After initialization, program the PBX and connect CO lines to the PBX.
To confirm that the CO lines are successfully connected, dial [ ] [3] [7] + CO line number (3 digits) on a PT,
or press the PT's S-CO button. You will hear a dial tone if the CO line is available and connected.
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Installation Manual
Description
Expansion shelf status indication
•
OFF: Power Off (includes normal reset)
•
ON: Power On and running (on-line)
•
Flashing (60 times per minute): Starting up
•
Flashing (120 times per minute): Program error in the BUS-S card
Alarm indication
•
OFF: Normal
•
ON: Alarm (CPU stop, alarm for each optional service card installed
in Expansion Shelves)
Document Version 2009-12