User's Guide

Chapter 2 – Installation

Multi-Tech Systems, Inc. MultiModem® EDGE Wireless Modem User Guide 18

6. Plug the power supply cable into the modem.

Connect antenna.

Connect serial cable

between modem & PC.

Connect power

(AC or DC).

Fused DC

Power Cable

In-Line

Fuse

red wire

is positive

( + )

AC adaptor

(N. Amer. only)

adaptor

(Int’l)

7a. 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.

7b.

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

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

7c.

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 either the one-piece or two-piece 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).

8. Activate the power supply.