POCKET GUIDE
TM 11-5820-890-10-6
SPECIAL TASK 10: Use SIP RT to Send Data Via RS-232 Mode
STEP
ACTION
RESULTS
1
Load PC with commercial comm
S/W*
Use any SW program offering
“Xmodem”
2
Connect PC to SIP RT
AUD/DATA port
RS-232 method does not require SW
in SIP VAA
3
Alert net data as to be sent via
RS-232 mode
If not fixed, coordinate data rate is to
be used**
4
Select data rate to be used for
RS-232 data***
Sending and receiving RTs must use
same data rate
5
Prepare data message or load
PC with data
N/A
6
Check to ensure net is clear of
traffic
Need clear net to ensure data goes
through****
7
Follow comm SW procedures to
send/receive RS-232 data
Control is from computer, SIP radio
serves as data communications carrier
*Both sending and receiving stations must use the same or compatible communications
programs.
**Depending upon the distance between sending and receiving stations, anyone of four
enhanced data rates maybe used for RS-232 traffic: 1200N, 2400N, 4800N, and 9600N.
***To select data rate, select RS-232 at SIP RT press ENTER on PC, and note data rate
displayed on PC screen.
****If voice mode has priority of use on your net, it may be necessary to wait for a quiet
period to send data messages. (Pressing PTT will not interrupt data flow except to your
radio.)
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