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M2M 4G MODEM
Installation Guide
Pedestrian Safety Since 1987
RTC-TRAFFIC.COM
22108/0425

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Summary of Contents for RTC M2M

  • Page 1 M2M 4G MODEM Installation Guide Pedestrian Safety Since 1987 RTC-TRAFFIC.COM 22108/0425...
  • Page 2 Connect the 50-OHM “paddle” antenna to the female SMA antenna connector (labeled “CELL” on the modem). NOTE: RTC provides two alternate antennas with all orders to be used in areas with weak signal strength. Always install the “paddle” antenna first. Signal strength testing and alternate antenna installation is covered later in this guide.
  • Page 3 STEP 4 – RECONNECT POWER TO TIME SWITCH & MODEM Reconnect the wiring harness to the bottom of the time switch, which will provide power to the time switch and the modem. Under typical operating conditions, the “POWER” LED on the modem will be solid. The “LS” LED will be steady ON as the modem searches for a connection and flash slowly when a connection is made.
  • Page 4 (if required) NOTE: Limited quantities of the following alternate external antennas are provided with orders of cell modems from RTC. Additional antennas can be provided, if necessary. Please call RTC to request (800) 782-8721. OMNIDIRECTIONAL, TURRET-STYLE ANTENNA Install and test the signal strength of this antenna just like the “paddle” antenna. If it returns signal strength -95dB or better (i.e.

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