
61175408L1 Quad FXS Voice Module User Manual 3-1
Chapter 3
Operation
OVERVIEW
TheQuadFXSVoiceModulegoesoperationaluponinsertionintoanactive
TA 750/850/1500 chassis. Once the unit is inserted, it must be mapped to a
network interface for proper operation. Refer to the TA 850 User Manual
Channel Bank chapter (DS0 mapping section) for information.
LED Status
After the initialization sequence, faceplate LEDs show the status of the ana-
log service for each customer loop, as follows:
TESTING
Self-Test
A self-test is performed on the Quad FXS Voice Module when it is inserted
intoan active TA 850chassis.The testverifies properoperation ofcritical cir-
cuits.If thetestissuccessful, allfourLEDsturn oninapredefinedsequence,
the unit is placed in service, and the LEDs then return to normal operation
showing current status of the FXS.
Initiated Tests
Other tests conducted on the Quad FXS Voice Module are initiated via the
screenmenus andVT 100terminal.(See QuadFXSVoice ModuleTest Options
on page 3-5 for more information.)
Off On Hook
Flashing Ringing
On Off Hook (Busy)
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