Specifications

4-86
Reference Guide
Model No.
Running Head
Using the Broadcast Option System Configuration and Operation
4.21.7 Terminate and Leave Access
The Terminate and Leave Access (TLA) circuit gives the data test center the capability to
terminate one or both directions of transmission on a circuit by inserting an unassigned
channel code (01111111) in the outgoing transmission path(s). The TLA feature is useful in
circuit provisioning to turn circuits up and down remotely, and in testing multipoint circuits to
isolate and remove noisy bridge legs from service.
Figure 4-59 shows the TLA screen with the choice of Monitor (
mon
) or Unassigned Channel
Code (
uca
) to be applied to the highlighted circuit. (If TLA had been applied to a Split circuit,
the choices would have been
spl
or
uca
.)
Figure 4-59. TLA Circuit State Screen
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CIRCUIT ID FACILITY TEST EQUIPMENT TEST TYPE TC CNV
Jacksonville w1-1 01*64 mon w1-2 01*64 off d moos n/a
monitor ckt w1-1 01*64 off w2-1 01*64 off m/d moos n/a
monitor ckt w1-2 01*64 off w2-1 01*64 off m/d moos n/a
Jacksonville w1-1 01*64 mon w1-2 01*64 off d moos n/a
mon uac
moNitor | spLit | Release | Tla | pgUp | pgDn | Main