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ZyXEL Communications Omni 56K II User Manual

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Omni 56K II and Omni 56K Plus II User’s Guide 
2-2 
          
 
 
 
 
 
 
 
 
 
Installation 
2.1.2 
 Back Panel  
Table 2-3 Back Panel Description 
LABEL DESCRIPTION 
ON/OFF 
The power switch for the modem. 
AC IN 
This receptacle is the power input socket and is used to plug the power adapter 
into the modem. 
RS-232 
This serial port DB-9 female connector is used to plug the RS-232 cable from 
serial port of a DTE or computer. 
USB 
(Omni 56K Plus II only) 
A Universal Serial Bus connector that connects to the USB port on your 
computer or to an USB hub. 
LINE 
Connect this analog RJ-11 port to a wall phone jack. 
PHONE 
Connect this analog RJ-11 port to your telephone. 
 
Figure 2-1 Omni 56K Plus II Rear Panel and Connections