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A. Configuration Options
A-6
February 2001 8784-A2-GB20-30
Send (AIS) on Network Failure
Possible Settings:
Enable, Disable
Default Setting:
Enable
Specifies the action taken on the signal transmitted to the DSX-1 when a valid signal
cannot be recovered from the network interface (LOS or OOF).
Enable
– An Alarm Indication Signal (AIS) is sent to the DSX-1 port in the event of an
LOS or OOF condition on the network interface.
Disable
– The failed signal on the interface is passed through to the DSX-1 network
unchanged.
Send All Ones on DSX-1 Failure
Possible Settings:
Enable, Disable
Default Setting:
Enable
Specifies the action taken on the signal transmitted to the network when a valid signal
cannot be recovered from the network interface (LOS or OOF).
Enable
– A pattern of all ones is sent to the DSX-1 port in the event of an LOS or LOF
condition on the DSX-1 interface.
Disable
– The failed signal on the interface is passed through to the DSX-1 network
unchanged.
Primary Clock Source
Possible Settings:
DSX-1, Internal
Default Setting:
Internal
Determines the primary clock source for the unit in Bypass mode.
Primary Clock Source is available only when the unit is configured as an LTU. If
DSL Line Rate is set lower than 1552 kbps, Primary Clock Source is forced to
DSX-1 and cannot be changed.
Internal
– The clock source is derived from the internal oscillator.
DSX-1
– The clock source is derived from the DSX-1 interface.
Table A-2. DSX-1 Interface Options (2 of 2)