Getting to Know

Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

Front Panel

The front panel of your SMCD3GN2 Wireless Cable Modem Gateway contains a set of light-

emitting diode (LED) indicators. These LEDs show the status of the Gateway and simplify

troubleshooting. The front panel also contains a

WPS

button for configuring wireless security

automatically.

Figure 1 shows the front panel of your SMCD3GN2 Wireless Cable Modem Gateway. Table

1 describes the front panel LEDs.

Figure 1. Front Panel of SMCD3GN2 Wireless Cable Modem Gateway

Getting to Know

Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

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.

Green

Blinking = data is transmitting.

ON = connected at 10 or 100 Mbps.

OFF = no Ethernet link detected.

ETH 1 – ETH 4

Blue

Blinking = data is transmitting.

ON = connected at 1 Gbps.

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.

Getting to Know

Your Gateway

13

SMCD3GN2 Wireless Cable Modem User Manual

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 on the client 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 remains 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 SMCD3GN2 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 your SMCD3GN2 Wireless Cable Modem Gateway

Table 2. SMCD3GN2 Wireless Cable Modem Gateway Rear Panel Components

Item

Description



Reset button

Use this button to reset the power or restore the default factory settings (see “Restoring Factory

Defaults” on the next page). This button is recessed to prevent accidental resets of the Gateway.



USB

USB 2.0 high-speed port for storing configurations externally.



ETH 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.



Cable

Connect your coaxial cable line to this port.



Power

Connect the supplied power cord to this port.











Getting to Know

Your Gateway

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SMCD3GN2 Wireless Cable Modem User Manual

Restoring Factory Defaults

The Reset button on the back panel can be used to return the Gateway to its factory default

settings. As a result, any changes made to the Gateway’s default settings will be lost.

If you do not have physical access to the Gateway, you can use the GUI to either power

cycle the Gateway (see “Using the Reboot Menu to Reboot the Gateway” on page 99) or

return the Gateway to its factory default settings (see “Using the Tools Settings Menu” on

page 98).

The following procedure describes how to use the Reset button to power cycle the Gateway

and return it to its original factory default settings.

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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SMCD3GN2 Wireless Cable Modem User Manual

2 Installing Your Gateway

This chapter describes how to install your SMCD3GN2 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)