Pub. 42004-432E
Model 370-400 UHF and 370-420 VHF Page/Party® Radio Couplers
Page 2 of 10
P:\Standard IOMs - Current Release\42004 Instr. Manuals\42004-432E.docx
05/18
Features
85–264 V ac or 24 V dc power operation
hybrid circuitry to eliminate unwanted sidetone
individual volume adjustment to and from the radio
off-hook detection on party line
16-level VOX detection circuitry for monitoring page or party line audio
33-ohm termination internal to unit
eight selectable programmed radio frequencies
selectable high or low radio output power
relay output activated by radio received carrier frequency
Radio Frequency Programming
The operating frequencies of the system must be programmed into the radio before the unit is installed in
the field. The radio programming software must be installed on a PC to program the coupler. The radio
programming kit is sold separately, P/N 19101-024.
Radio Programming Software installation
1. Place the CD in the computer CD-ROM drive.
2. Select the
Start
button; then select
Run
.
3. At the prompt, type
x
:\fscommand\setup.exe,
where
x
represents the drive letter that is associated
with your CD-ROM drive.
A
DTXL_PCPS
icon should appear on the desktop display after successful installation.
Opening the Station
Remove the four screws from the front panel and remove the front panel from the rear enclosure.
Connecting the Programming Cable to the Radio
1. Unplug the Page/Party
®
Radio Coupler’s 15-pin D-connector from the radio.
2. Connect the DTXP-PAC cable assembly’s 15-pin D-connector into the radio.
3. Connect the RJ11-style plug of the 9/RTC-PAS cable into the mating receptacle on DTXP-PAC
cable.
4. Connect the DB-9 to DB-25 adapter to the other end of the 9/RTC-PAS cable.
5. Connect the DB-9 connector of the cable assembly to the computer serial port.
6. Connect the red and black leads of the 9/RTC-PAS cable to a 12 V dc power source (battery or power
supply), observing the polarity (red +, black −).
