User Manual

Appendix A
Technical Support Application Note
A-1
001-2100-101
Technical Support Application Note
#0600003
Dataradio COR Ltd.
USA 800-992-7774; International 507-833-8819
Product: JSLM
2
module – DL-3282 Bell 103, Bell 202 Modem Configuration
Application:
To provide technical information for connecting a JSLM
2
analog module with a DL-3282 RS-232
Modem. The JSLM
2
module family is designated as part number 242-2040-XXX for UHF models.
The DL-3282 Modem is part number 250-3282-002 and is available as Bell 202 or Bell 103 format.
Combined with an interface cable (part number 697-3414-003), the module and modem will provide a
reliable 300 baud or 1200 baud RS-232 serial Dataradio system.
Setup:
DL-3282 Modem: The DL-3282 modem does not require special programming for normal Bell 202 or
Bell 103 format. All data parameters are set using an eight-position DIP switch located inside the
modem.
Programming:
JSLM
2
Module – The JSLM
2
module is computer programmable using the Windows® based
programming kit (part number 250-2100-001). (The Field Programming Software requires Win-
dows® 95 or better.) This kit includes the programming software (on CD-ROM) and the program-
ming cable. Software upgrades are available on our website at http://www.dataradio.com/
download_form.shtml.
Table 1: DL-3282 Dip Switch Functions
Position Function Factory Default
1. Normal/Loop Normal operation/loopback test mode Off-normal
2. Conventional Normal operation of interfacing to
trunking radio system
Off - conventional
3. Bell 202/103 Selects modem format Off – Bell 202
4. Squelch Invert Carrier Detect inversion Off – Active high
5. Half/Full Duplex Duplex mode determination Off – Half
6. Option 1 Self-test mode Off – Self test off
7. and 8.
RTS/CTS Delay Set RTS/CTS Delay Timer
On, On – 240 msec
delay