User's Guide

8400B Plus Data Module User’s Guide 555-020-709
Issue 2
November 1996
S-Registers
C-28
Register: S23
Description: This S-register is used to store the status of bit-mapped
options as follows:
bit 0 — allow remote loop request from remote system;
0 = disabled, 1 = enabled (default = 1, see &T
command)
bits 1, 2, and 3 — local communications speed (see
comment 1)
0 = 300 bps
1 = not used
2 = 1200 bps
3 = 2400 bps (factory-set default)
4 = 4800 bps
5 = 9600 bps
6 = 19200 bps
7 = not used
bits 4 and 5 — local parity setting; 0 = even, 1 = space,
2 = odd, and 3 = mark/none (default = 0)
bits 6 and 7 — guard tones; (default = 0, set by &G
command, see comment 2)
Range of Values: Value may be 00 through FF hexadecimal;
factory-default settings produce a value of 07 (see
comment 3).
Storable: yes
Table C-1. Labels Used in S-Registers
Label Description
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