Uniden BCT8 User Manual page 54

To connect the Scanner to Scanner:
Plug the male end of the RS232C straight interface cable into the
remote port on the rear of one of the two scanners. Then connect the
DB-9 to DB-9 null modem adapter to the cable. Plug the other end of
the null modem adapter into the other scanner (DB9 Gender Changers
are also available at your local electronics store.).
You can clone all of the programming of one BCT8 into another, including frequencies,
talkgroup IDs, delay settings, etc. After connecting the two scanners, turn the radios ON.
Prepare each scanner for clone mode as follows.
After connecting the two scanners, make sure the scanners are turned off.
1. While you press and hold E, turn the radio on for each scanner.
2. Determine the scanner which has the frequency data that you want to transfer. This one
must be set up as the "First Unit", and the other must be set as the "Clone Unit".
3. On the scanner that is the "Clone Unit", use the L or M key
to select , then press HOLD/RESUME.
4. On the scanner that is the "First Unit", use the L or M key to
select , then press HOLD/RESUME.
EXT. DC 12V REMOTE
SP.
ANT.
EXT. DC 12V
SP.
ANT.
50
Null Modem Adapter
Pin connections
Female Male
DB9
DB9
1 4
3
2
3 2
6 & 1
4
5 5
4
6
8
7
8 7
Not used
9
REMOTE