Instruction manual

Planning
Table 4-2. Timers
Factory Allowable
Name
Description
Setting Threshold
T200
The minimum time which Layer 2 must
1,000 ms
1,000-2,500 ms in
wait for an acknowledgment of an
increments of
information frame before initiating
500 ms
retransmission procedures.
T203
The maximum time for which the Layer
33,000 ms
10,000-33,000 ms
2 link can remain inactive.
in increments of
500 ms
T303
The amount of time the system waits for
2,500 ms
1 ,000–4,000 ms in
the CO to respond when the system
increments of
sends a SETUP message to initiate an
500 ms
outgoing call.
T305
The amount of time the system waits for
4 seconds 4-30 seconds in
the CO to respond when the system
increments of
initiates a Disconnect message for call
1 second
clearing.
T308
The amount of time the system waits for
4 seconds
2–10 seconds in
the CO to respond when the system
increments of
sends a RELease message for call
1 second
clearing.
Line Options
4-13