SVC-SLOT (Service Slot)
Issue 1 May 2002
8-1507555-233-143
SVC-SLOT (Service Slot)
The Service Slot MO detects the insertion of an invalid circuit pack into a
dedicated SERVICE slot. The SERVICE slot is the leftmost slot in the J58890BB
port carrier, and is identified as slot location “00” in every command, field entry,
and display on the management terminal.
Since this slot does not provide tip and ring connectivity to the wall field, only the
following circuit packs are allowed:
■ TN744 Call Classifier
■ TN750 Integrated Announcement
■ TN771 Maintenance/Test
■ TN725 Speech Synthesizer
■ TN433 Speech Synthesizer
■ TN457 Speech Synthesizer
■ TN748 Tone Detector
■ TN420 Tone Detector
When another circuit pack is inserted in a SERVICE slot (for example, TN755
Neon Power Unit), a MINOR alarm is generated against the Service Slot MO.
Instead of the illegal circuit pack’s MO name, the “Service Slot” MO name is used
to prevent any attempt to assign a port to the illegal pack physically residing in the
SERVICE slot.
MO’s Name (in
Alarm Log) Alarm Level
Initial Command to
Run Full Name of MO
SVC-SLOT MINOR none Service Slot
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