Table B-8. Scrambler On/Off At Commands; Table B-9. Data Format Commands; Table B-10. Transmit Clock At Commands - ADTRAN DSU III AR User Manual

Front Panel
1=SCRAMBLER OFF _F0
2=SCRAMBLER ON
3=DATA INVERT
Front Panel
1=ASYNCHRONOUS
2=SYNCHRONOUS
For asynchronous options, select the length of the data bytes.
1=ASYNC 9 BITS
2=ASYNC 10 BITS
3=ASYNC 11 BITS
Front Panel
1=NORMAL
2=EXTERNAL
61202011L1-1

Table B-8. Scrambler On/Off AT Commands

AT Command Description
_F1
_F2
AT Command Description
&Q0
&Q2
N/A
N/A
N/A

Table B-10. Transmit Clock AT Commands

AT Command Description
&X0 TX clock from DSU selected
&X1 ETC clock from DTE selected
DSU III AR User Manual
Appendix B. AT Commands
DTE data scrambler disabled
DTE data scrambler enabled
DTE data invert enabled (56 kbps sec-
ondary channel Loop Rate only). LBE
codes from DTE suppressed (64 kbps
only).

Table B-9. Data Format Commands

Always asynchronous
Always synchronous
9 bits including start, stop, parity
10 bits including start, stop, parity
11 bits including start, stop, parity
B-5