Figure 58 DL-3282 Modem connected and fastened to the Guardian
PROGRAMMING AND OPERATIONAL HINTS
- Normally the Guardian will be programmed for FSK mode since this mode provides flat audio response for data
applications.
- When interfacing into an existing DL-3400 / DL-3282 radio modem system, always verify the DL-3400 programmable
parameters and program the Guardian accordingly.
- Information about the DL-3282 is available in the technical manual PN 001-3282-003. Contact the CalAmp Wireless
Networks Group,
wngsupport@calamp.com, for manual availability.
- The DL-3282 modem is programmed using a series of DIP switches located inside the modem. Default settings are
Bell 202 with Equalizer, CD – Active High, Normal mode – On, RTS/CTS delay – 240 mSec.
- Guardian CD polarity should be set for Active High, which is the default setting of the Guardian CD parameter.
- Ensure that Pin 4 of the User Port interface is set for CD output.
Note: The Guardian can operate from 10 to 30 VDC. The DL-3282 modem can operate from 7 to 16 VDC. Care must be
taken to prevent overvoltage damage to the DL-3282 modem.
For technical assistance, contact CalAmp Wireless Network Group Technical Service at
wngsupport@calamp.com.
Guardian™ Serial Modem or Analog Radio for Licensed Spectrum PN 001-5006-000 Rev. 3 | Page 80
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