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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
into an active TA 850 chassis. The testverifies proper operation of critical cir-
cuits. If the test is successful, all four LEDs turn on in a predefined sequence,
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
screen menus and VT 100 terminal. (See Quad FXS Voice Module Test Options
on page 3-5 for more information.)
Off On Hook
Flashing Ringing
On Off Hook (Busy)