
Configuring Line Services
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Setting the Retry Count
By default, the router makes 16 attempts to retransmit a frame before a line is
declared down. You can specify the number of retransmission attempts, from 1
through 64, for the interface.
Setting the Link Idle Timer
By default, the router determines that a synchronous interface is idle after 9
seconds. An idle line is disabled. You can specify the length of the timer, to a
value through 1 and 9999 seconds, before a line is determined to be idle with the
Link Idle Timer parameter.
Enabling or Disabling Extended Control
By default, the control fields of all S- and I- frames are one octet in length and
I-frame numbering is Modulo 8. With the Extended Control (S- and I- frames)
parameter, you can extend the control fields of S- and I- frames to two octets in
length, and numbering of all I frames to Modulo 128.
You can enable or disable extended control of S- and I- frames for the interface.
Enabling or Disabling Receiver Ready Signals
By default, the synchronous interface does not send a Receiver Ready (RR) signal
when the Link Idle Timer expires. Enable the Idle RR Frames parameter if you
want the router to send RRs.
You can enable or disable idle RR signals for the interface.
Site Manager: Retry Count parameter: page A-60
Site Manager: Link Idle Timer parameter: page A-60
Site Manager: Extended Control (S and I frames) parameter: page A-61
Site Manager: Idle RR Frames parameter: page A-65
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