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Installation 11
• U-336R Section 3 (terminals 5 ,6 ,7 & 8) For leased line
connection.
Connect to Computers
Each modem slot has a corresponding 25-pin RS-232 female
connector on the rear panel. Connect a cable from the desired
computer to the RS-232 connector for the desired modem.
Hooking Up Power
Connecting power should be the last thing you do before using the
rack. To connect power follow the instructions below:
1. Plug one end of the power cord to the socket on the back panel.
2. Plug the other end to a properly rated power source.
3. Switch the power source selector to AC or DC according to the
type of power supply(s) you are using.
4. Make sure all other hardware installations are complete.
5. Unscrew the front panel and turn on one or both power
supply(s).
6. Replace the front panel.
7. Turn on the master power.
Fax/Modem Communication Software Installation
After completing installation of your modem use the following
procedures to verify your modem connections:
1. Install and load your communications software. If you need
assistance, refer to the manual that came with the software.
2. If your communications software requires you to select a
modem, and the your modem is not one of the choices, you can
either check our web site for the driver or select the ZyXEL U-