Multitech MultiModem Cell MTCBA-E1 User Manual page 15

Wireless modem

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For Optional Direct DC Power

●

Screw-on the DC power cable to the power connector on the modem.

Then attach the two wires at the other end of the DC power cable to a DC fuse/terminal block.

●

Connect the red wire to the "+" (positive) terminal and the black wire to the "–" (negative) terminal. Be sure

●

the GND connection is correct.

Warning:

Over-voltage protection is provided on the device. To ensure complete protection, you may want to add

additional filtering to the DC input.

Note:

For automotive application: according to the type of application, you can use permanent "+" or key-

switched "+" source. Connect the power supply to its source (for example, in a mobile situation, to the

vehicle's DC fuse/terminal block).

Multi-Tech Systems, Inc. MultiModem Cell User Guide

Chapter 2 – Activation and Installation

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