Appendix C. System Messages

Status Messages

Network Interface (NI)

Payload On

Payload loopback activated.

Line On

Line Loopback activated.

Loopback Off

All loopbacks deactivated.

Factory Restore

Factory setting restored.

Power On

Unit powered on.

Self-Test

Internal self-test performed.

Nx/DBU Interface

The following messages indicate the status of the Nx/

DBU card:

Loop Up

Data is looped at both the network interface and DTE interface of the card.

Remote Loop Up

Sending V.54 pattern in an attempt to loop up a remote device.

511 Pattern On

Sending 511 pattern towards the network interface.

Loop Down

Data is no longer looped back at the network interface or

DTE interface.

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ADTRAN TDU 120e user manual Status Messages