GateWay Fax Systems, inc. Model 90si Secure Fax Gateway User's Guide
www.gwfs.com, 877-951-9800, info@gwfs.com help line: 877-951-9814 page 15
2.6.5 Motorola STU-IIB & STU-IIIA
Objective: Objective: To set Secure Data Mode for 2.4/9.6 Kbps, Full Duplex, Synchronous for use with Mil-Std-
1881-161/STANAG 5000 and Modified G3 Protocols only.
While Off-Hook and in CLEAR mode:
Press Display
PRGM (Example) DATA = 2400 ASYNC
SCROLL (unitl...) DATA = SYNCHRONOUS
PRGM PRGM (current call status displayed)
While On-Hook:
Press Display
PRGM PRGM (enunciator in display)
SCROLL PLEASE WAIT (and then)
# for COMSEC * TO SET OPTIONS
* PRESS SCROLL TO CONTINUE
SCROLL (until...) (Example) DATA=2400 ASYNC # TO CHANGE
# DATA=SYNCHRONOUS # TO CHANGE
PRGM PRGM (current call status displayed)
Note:
Make sure that “HD” DOES NOT appear in the display. If it does, press the “HALF-DUPLEX” button to make it
disappear.