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Rear Panel
The rear panel of the Model RT311 Internet Access Gateway Router includes:
• Ground
• 12 V DC power adapter connection
• 10/100 Mbps Ethernet port, for Local (LAN) connections to attached PCs
• 10 Mbps Ethernet port, for Internet (WAN) connection to a broadband access device,
such as a cable or DSL modem
• RS-232 serial port, for accessing the Manager interface
HARDWARE INSTALLATION
The illustration below shows how your Model RT311 Internet Access Gateway Router should
be installed.
12 V DC power
Local Ethernet port
adapter outlet
Ground
LOCAL
INTERNET
12VDC
Auto 10/100 Mbps
DUAL SPEED
AC power
Hub, switch
adapter
or PC
Connecting the Router
1. Connect your PC or hub to the LOCAL port of the router.
Use the red crossover Ethernet cable provided to connect the router directly to a PC, or
Use the white straight-through Ethernet cable provided to connect to a 10 Mbps or 100 Mbps hub
or switch. The router senses the speed of the connected port and automatically matches the speed.
Note: If you are connecting your router to a 100 Mbps or a mixed 10 Mbps or 100 Mbps
network, use Category 5 Ethernet cables. Your Model RT311 router package contains
Category 5 cables.
2. Connect the Internet port of the router to the Ethernet port on your broadband modem
(cable or DSL), using the Ethernet cable that shipped with your modem.
3. Connect the AC power adapter cord to the 12 V DC power connector on the rear panel of the router,
and plug the AC power adapter into a wall outlet.
Internet Ethernet port
RS-232 Manager port
MANAGER
CM301
MODEL
Cable Router
Internet Access
Broadband modem
(cable or DSL)
9525FA
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