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User's Guide for ZyXEL Omni 56K and Omni 56K Plus Modems
2-3
Back Panel Switches
Figure 1. Back Panel
Switch Description
ON/OFF
Power ON/OFF switch
AC IN
9V-AC power input socket to connect the AC power adapter.
RS-232
Serial port DB-9 female connector to plug the RS-232 cable and
connect to the serial port of a DTE or computer.
USB
Universal series bus connector that connects to any one of
your
devices with USB port, such as your computer or USB hub. (Omni 56K
Plus only)
LINE
Analog port RJ-11 terminal jack for connecting to wall jack.
PHONE
Analog port RJ-11 terminal jack for connecting to your phone
set.
Table 3. Back Panel Description
Phone
AC IN
Line
ON/OFF
RS-232
USB
For Omni 56K Plus only.