Multi-Tech Systems 92U05E06805 Manuale Utente

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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.
A
B
Connect power
(AC or DC).
C
Fused DC
Power Cable
In-Line
Fuse
red wire
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).   
8.  
Activate the power supply.