ADTRAN 1202156L1 Manual do Utilizador descarregar pdf (Página 58)

Chapter 4. Status Menu

4-6 TDU 120e User Manual 61202156L1-1

DS-1 (0.2) Menu Items (DS-1 Errors)

• CRC - An asterisk displays under the CRC if there are

CRC errors in extended superframe format (ESF) mode.

If the DS-1 is configured for D4 Frame format, the

terminal displays N/A.

• BPV - An asterisk displays under the BPV if the DS-1

detects bipolar violations.

• SLIP - An asterisk displays under the SLIP if the DS-1

detects frame slips. This is caused by multiple clock

sources in the application.

• FER - An asterisk displays under the FER if the DS-1

detects frame bit synchronization errors.

Remote Port

EMOTE

ORT

displays the status of activity on the Control In

remote port. This is useful for troubleshooting

communication sessions, and for verifying cabling.

• RX -Characters received at remote port

• ID - Unit ID received at remote port

• CRC - Correct CRC received

• PC - Correct passcode received

• TX - Characters transmitted from the remote port

Clear Port Alarm

Clears the L

INK

AILED

alarms on option modules that have

been removed from the TDU 120e chassis.

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ADTRAN 1202156L1 Manual do Utilizador Página 58