Multi-Tech Systems 92U05E06805 Manuale Utente
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.
between modem & PC.
A
B
Connect power
(AC or DC).
(AC or DC).
C
Fused DC
Power Cable
In-Line
Fuse
red wire
is positive
is positive
( + )
AC adaptor
(N. Amer. only)
AC
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).
vehicle’s DC fuse/terminal block).
8.
Activate the power supply.