Multi-Tech Systems F2 ユーザーズマニュアル
Chapter 2 – Activation and Installation
Multi-Tech Systems, Inc. MultiModem GPRS Wireless Modem User Guide
11
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 power outlet.
For one-piece transformer power supply (North America).
•
Connect between the MultiModem power receptacle and the 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.
which you are mounting the modem. Be sure the GND connection is correct.
•
Connect red wire to + (positive) and black wire to – (negative).
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).
vehicle’s DC fuse/terminal block).
Warning
Over-voltage protection is provided on the device. To ensure complete protection, you
may want to add additional filtering to the DC input
may want to add additional filtering to the DC input