Avaya 8400B Plus User Manual
S-Registers
Issue 2 November 1996
C-33
Register:
S27
Description:
This S-register is used to store the value of all
bit-mapped options.
bit-mapped options.
bits 0, 1, 3 — transmission mode selection (set by
&M
and
&Q
commands, see comments):
■
0 = asynchronous mode (default)
■
1 = synchronous mode 1
■
2 = synchronous mode 2
■
3 = synchronous mode 3
■
4 = synchronous mode 4
bit 2 — switched/leased line operation (set by
&L
command, see comments):
■
0 = switched line (default)
■
1 = leased line
bits 4, 5 — synchronous transmit clock (set by
&X
command, see comments):
■
0 =
&X0
option (default)
■
1 =
&X1
option
■
2 =
&X2
option
■
3 is not used
bit 6 — protocol for 1200 bps operation (set by
B
command, see comments):
■
0 = CCITT V.22
■
1 = Bell 212A (default)
bit 7 — (not used - always set to 0)
Table C-1.
Labels Used in S-Registers — Continued
Label
Description