Lucent Technologies AT&T 7400B - Manual (Page 80)

DEFINITY Communications System APPENDIX B: S-REGISTERS
7400B Data Module
User’s Guide Page B-15
Register:
Description:
S25
The value in this S-register determines how long a change of state
(OFF to ON or ON to OFF) on the Data Terminal Ready (DTR) lead
must persist before it is acknowledged. If the change of state persists
for a shorter time than is specified in S-register 25 it is ignored.
Range of Values may be 000 through 255 hundreds of a second (0.01 sec.). The
Values: factory-default setting is 5 (0.05 sec.).
Storable: yes
Comments: none
See Also: Chapter 4, “Operation and Configuration.”
Register: S26 — not used
Register: S27 — not used