Chapter 4. Status Menu

DBU Contrl (TSU 120e only)

RTS Request to send to DCE

CTS Clear to send from the DCE

DTR Data terminal ready to the DCE

DSR Data set ready from the DCE

DBU Status (TSU 120e only)

DBU SECS Total seconds in current DBU session

IN DBU

YES/NO indication of active DBU status

0.2 DSX-1 Menu Items

DSX-1 Errors

CRC An asterisk displays under the CRC if there are CRC errors in extended superframe format (ESF) mode. If the DSX-1 plug-on board is configured for D4 Frame format, the LCD displays n/a.

BPV An asterisk displays under the BPV if the DSX-1 plug-on board detects bipolar violations.

SLIP An asterisk displays under the SLIP if the DSX-1 plug-on board detects frame slips. This is caused by multiple clock sources in the application.

FER An asterisk displays under the FER if the DSX-1 plug-on board detects frame bit synchronization errors.

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TSU 120 User Manual

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ADTRAN user manual DBU Contrl TSU 120e only, DBU Status TSU 120e only, YES/NO indication of active DBU status