Multi-Tech Systems MTCBA-C manual Power

Chapter 2 – Activation and Installation

Power

Plug the power supply cable into the modem.

For two-piece transformer power supply (International).

•Connect the AC cord receptacle into the transformer block.

•Connect the AC cord plug into the mains power outlet.

For one-piece transformer power supply (North America).

•Connect between the MultiModem power receptacle and the mains power outlet.

For optional direct-DC powering.

•Connect the direct-DC power supply cable into the DC power source on the vehicle or machine in which you are mounting the modem. Be sure the GND connection is correct.

•Connect red wire to + (positive) and black wire to – (negative).

Note: Units shipped with the universal AC power supply are not suited for installation in hazardous locations.

Note: For automotive application: according to the type of application, you can use permanent “+” or key- switched “+”. Connect the power supply to its source (for example, in a mobile situation, to the vehicle’s DC fuse/terminal block).

Warning: Do not connect your wireless modem directly to a vehicle’s battery for your power source. Doing so may cause power spikes. If you wish to use the battery as a power source, add a filtering device to the DC input.

Multi-Tech Systems, Inc. MultiModem CDMA Wireless Modem User Guide 14