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Page 11 / 72 Scroll up to view Page 6 - 10
Getting to Know Your Gateway
Front Panel
The front panel of your SMCD3GN Wireless Cable Modem Gateway contains a set of light-
emitting diode (LED) indicators. These LEDs show the status of your Gateway and simplify
troubleshooting.
Figure 1 shows the front panel of the SMCD3GN Wireless Cable Modem Gateway. Table 1
describes the front panel LEDs.
Figure 1. Front Panel of the SMCD3GN Wireless Cable Modem Gateway
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Getting to Know Your Gateway
Table 1. Front Panel LEDs
LED
Color
Description
POWER
Green
ON = power is supplied to the Gateway.
OFF = power is not supplied to the Gateway.
Green
Blinking = scanning for DS channel.
ON = synchronized on 1 channel only.
DS
Blue
ON = synchronized with more than 1 channel (DS Bond mode).
DS and US
Both DS
and US blinking together = operator is performing maintenance.
Green
Blinking = ranging is in progress.
ON = ranging is complete on 1 channel only.
OFF = scanning for DS channel.
US
Blue
ON = ranging is complete, operate with more than 1 channel (US Bond mode).
ONLINE
Green
Blinking =.cable interface is acquiring IP, ToD, CM configuration.
ON = Gateway is operational.
OFF = Gateway is offline.
LINK
Green
Blinking = data is transmitting.
ON = Gateway is operational.
OFF = no Ethernet link detected.
DIAG
Amber
ON = system failure.
OFF = normal operation.
Green
Blinking = data is transmitting.
ON = connected at 10 or 100 Mbps.
OFF = no Ethernet link detected.
LAN 1 – LAN 4
Blue
Blinking = data is transmitting.
ON = connected at 1 GMbps.
OFF = no Ethernet link detected.
WIFI
Green
Blinking = data is transmitting.
ON = Wi-Fi is enabled.
OFF = Wi-Fi is disabled.
USB
Green
Reserved for future use.
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Getting to Know Your Gateway
Configuring Wireless Security
The front panel has a
WPS
button for configuring wireless security automatically. Pressing
this button for 5 seconds automatically configures wireless security. If the client device
supports WPS Push Button Configuration (PBC), press the button within 60 seconds to
automatically configure security on the client.
After pressing this button for 5 seconds, the
WPS
LED on the front panel flashes. When a
client joins the network successfully, the LED goes ON until the next WPS action or the
device reboots. If no client joins, the LED stops blinking after 4 minutes.
Rear Panel
The rear panel of your SMCD3GN Wireless Cable Modem Gateway contains a reset button
and the ports for attaching the supplied power adapter and making additional connections.
Figure 2 shows the rear panel components and Table 2 describes their meanings.
Figure 2. Rear View of the SMCD3GN Wireless Cable Modem Gateway
Table 2. SMCD3GN Wireless Cable Modem Gateway Rear Panel Components
Item
Description
Power (12VDC)
Connect the supplied power adapter to this port.
LAN 1-4
Four 10/100/1000 auto-sensing RJ-45 switch ports. Connect devices on your local area network
such as a computer, hub, or switch to these ports.
USB
USB 2.0 high-speed port for storing configurations externally.
Cable
Connect your coaxial cable line to this port.
Reset button
Use this button to reset the power or restore the default factory settings (see “Restoring Factory
Defaults,” below). This button is recessed to prevent accidental resets of your Gateway.
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Getting to Know Your Gateway
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SMCD3GN Wireless Cable Modem Gateway User Manual
Restoring Factory Defaults
Using the Reset button on the back panel, you can power cycle the Gateway and return it to
its original factory default settings. As a result, any changes you made to the Gateway’s
default settings will be removed. To reset the Gateway and keep any overrides you made to
the factory default settings, use the software reset method described under “Using the
Reboot Menu to Reboot the Gateway” on page 59.
1. Leave power plugged into the Gateway.
2. Find the Reset button on the back panel, then press and hold it for at least 10 seconds.
3. Release the Reset button.
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2 Installing Your Gateway
This chapter describes how to install your SMCD3GN Wireless Cable Modem Gateway. The
topics covered in this chapter are:
y
Finding a Suitable Location (page 16)
y
Connecting to the LAN (page 16)
y
Connecting the WAN (page 17)
y
Powering on the Gateway (page 17)
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