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Table 2.
DSX-1 Interface Options – Models 7974 and 7984
Line Coding Format
Possible Settings: AMI, B8ZS
Default Setting: B8ZS
Specifies the line coding format to be used by the DSX-1 interface.
Line Framing
Possible Settings: ESF, D4
Default Setting: ESF
Specifies the framing format to be used by the DSX-1 interface.
Line Equalization
Possible Settings: 0–133, 133–266, 266–399, 399–533, 533–655
Default Setting: 0–133
Compensates for signal distortion for a DSX-1 signal over a given distance.
Send (AIS) on Network Failure
Possible Settings: Enable, Disable
Default Setting: Enable
Specifies the action taken on the signal transmitted to the DSX when a valid signal
cannot be recovered from the network interface (LOS or cognitions OOF, AIS, or
EER).
Send All Ones on DSX-1 Failure
Possible Settings: Enable, Disable
Default Setting: Enable
Specifies the action taken on the signal transmitted to the DSX when a valid signal
cannot be recovered from the network interface (LOS or conditions OOF, AIS, or
EER).
Primary Clock Source
Possible Settings: DSX, Internal
Default Setting: Internal
Specifies where the unit will derive its timing from.
