Chapter 4. Status Menu
DBU Contrl (TSU 120e only)
DBU Status (TSU 120e only)
0.2 DSX-1 Menu Items
DSX-1 Errors
4-6
Request to send to DCE
RTS
Clear to send from the DCE
CTS
Data terminal ready to the DCE
DTR
Data set ready from the DCE
DSR
Total seconds in current DBU session
DBU SECS
YES/NO indication of active DBU status
IN DBU
An asterisk displays under the CRC if there are
CRC
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.
An asterisk displays under the BPV if the DSX-1
BPV
plug-on board detects bipolar violations.
An asterisk displays under the SLIP if the DSX-1
SLIP
plug-on board detects frame slips. This is
caused by multiple clock sources in the
application.
An asterisk displays under the FER if the
FER
DSX-1 plug-on board detects frame bit
synchronization errors.
TSU 120 User Manual
61202129L1-1