Netgear CM400 User Manual - Page 6

Back Panel - ethernet led blinking

Page 6 highlights

CM400 High Speed Cable Modem You can use the LEDs to verify status and connections. The following table lists and describes each LED on the front panel of the cable modem. Table 1. LED descriptions LED Power Downstream Upstream Internet Ethernet Description • Green. Power is supplied to the cable modem. • Off. No power is supplied to the cable modem. • Solid green. One or more downstream channels are locked. • Blinking green. The cable modem is scanning for a downstream channel. • Off. No downstream channel is locked. • Solid green. One or more upstream channels are locked. • Blinking green. The cable modem is scanning for an upstream channel. • Off. No upstream channel is locked. • Solid green. The cable modem is online. • Blinking green. The cable modem is synchronizing with the cable provider's cable modem termination system (CMTS). • Off. The cable modem is offline. Note: The Internet LED is also referred to as the Online LED. • Green. A device is connected to the Ethernet port and powered on. • Off. No device is connected to the Ethernet port. Back Panel The back panel provides the connections and button shown the following figure. LAN Gigabit Ethernet port Power adapter input Reset button Coaxial cable connector Figure 3. Cable modem back panel Hardware and Internet Setup 6

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Hardware and Internet Setup
6
CM400 High Speed Cable Modem
You can use the LEDs to verify status and connections. The following table lists and
describes each LED on the front panel of the cable modem.
Table 1.
LED descriptions
LED
Description
Power
Green
. Power is supplied to the cable modem.
Off
. No power is supplied to the cable modem.
Downstream
Solid green
. One or more downstream channels are locked.
Blinking green
. The cable modem is scanning for a downstream channel.
Off
. No downstream channel is locked.
Upstream
Solid green
. One or more upstream channels are locked.
Blinking green
. The cable modem is scanning for an upstream channel.
Off
. No upstream channel is locked.
Internet
Solid green
. The cable modem is online.
Blinking green
. The cable modem is synchronizing with the cable provider’s cable
modem termination system (CMTS).
Off
. The cable modem is offline.
Ethernet
Green
. A device is connected to the Ethernet port and powered on.
Off
. No device is connected to the Ethernet port.
Back Panel
The back panel provides the connections and button shown the following figure.
Power adapter input
LAN Gigabit Ethernet port
Coaxial cable connector
Reset button
Figure 3. Cable modem back panel
Note:
The Internet LED is also referred to as the Online LED.