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S-Registers
C-22 Issue 2 November 1996
Register: S16
Description: This S-register stores test function status in a
bit-mapped format as follows:
bit 0 — local digital loop test; 0 = test disabled, 1 = test
in progress (default = 0, see the &T1 and &T2
commands)
bit 1 — not used (always set to 0)
bit 2 — local data loop test; 0 = disabled, 1 = test in
progress (default = 0, see &T3 command)
bit 3 — status bit for remote digital loop initiated by
remote system; 0 = off, 1 = in progress (default = 0, see
&T4 and &T5 commands)
bit 4 — remote digital loop; 0 = disabled, 1 = in progress
(default = 0, see &T6 command)
bit 5 — remote digital loop with self-test; 0 = disabled,
1 = in progress (default = 0, see &T7 command)
bit 6 — local digital loop with self-test; 0 = disabled, 1 =
in progress (default = 0, see &T8 command)
bit 7 — not used (always set to 0).
Range of Values: Value may be 00 through FF hexadecimal;
factory-default settings produce a value of AA (see
comment 1).
Storable: no
Table C-1. Labels Used in S-Registers — Continued
Label Description