/B
Constant Carrier when On-line
This command causes the modem to output carrier over a point-to-
point connection regardless of the state of RTS, instead of the
normal condition to output carrier only when RTS from the DTE is
high.
/B0
Carrier output controlled by RTS.
/B1
Carrier output constant.
%B
Pin 23 Fallback Request
This command selects how your modem will react to the state of pin
23. To use this, the DTE must control pin 23 equivalently to
operating the
FB
button. This command is only active if Link 14 on
the standalone modem or Link 7 on the rackmount modem is in
position 2 (see the Appendix entitled 'Technical Guide'.)
%B0
State of pin 23 ignored. Default.
%B1
State of pin 23 actioned:
High = Primary rate.
Low = Fallback rate.
''B
Initiate Dial Backup
If manual dial backup is enabled by the command
*L1
being set and
a telephone number being stored in N8, then issuing the
''B
command will cause the modem to go into dial backup mode
regardless of the state of the leased line (refer to the dial backup
section (6.4) for details).
*C
Display Active Configuration
This command displays your modem's active configuration on your
terminal.
Examples of configuration screens are given in Section 4.1.3.
/C
Cable Equaliser
Any cable between the modem and the telephone exchange has the
effect of altering the higher frequencies; the longer the cable, the
more the higher frequencies will be suppressed. The cable
equaliser compensates for this loss.
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