Simple Help » Cable Modems http://www.simplehelp.net Common questions, simple answers Wed, 18 Nov 2009 15:12:32 +0000 http://wordpress.org/?v=2.8.4 en hourly 1 Cable Modem Troubleshooting: Terayon TJ715x http://www.simplehelp.net/2006/09/15/cable-modem-troubleshooting-terayon-tj715x/ http://www.simplehelp.net/2006/09/15/cable-modem-troubleshooting-terayon-tj715x/#comments Sat, 16 Sep 2006 03:43:55 +0000 Ross McKillop http://www.simplehelp.net/2006/09/15/cable-modem-troubleshooting-terayon-tj715x/

Light patterns, images, manuals and more helpful info for the Terayon TJ715x cable modem –


terayon tj715x cable modem
Click to enlarge (and animate)
Manufacturer: Terayon Model: TJ715x
Modem Light Indicators
Power Off - unit is not receiving power
On - unit is receiving power
Cable Off - no downstream signal or power off
Flashing slowly - downstream signal present, ranging in progress
Flashing fast - registration in progress
On - modem is acquired and ready to transfer data
PC Off - no carrier to/from PC is present or power is off
On - carrier to/from PC is presentr
Data Off - no data is being transmitted or power is off
Flashing - data is being transmitted
Test Off - initial self-test OK or power is off
Flashing - self-test or software download in progress
On - self-test failure
Notes and Useful Information:

Installation Manual, .pdf (757KB)
Manufacturer Website
Manufacturer Product Page
Manufacturer Support Page

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]]> http://www.simplehelp.net/2006/09/15/cable-modem-troubleshooting-terayon-tj715x/feed/ 24 Cable modem troubleshooting: Toshiba PCX2200 http://www.simplehelp.net/2006/09/03/cable-modem-troubleshooting-toshiba-pcx2200/ http://www.simplehelp.net/2006/09/03/cable-modem-troubleshooting-toshiba-pcx2200/#comments Mon, 04 Sep 2006 04:24:47 +0000 Ross McKillop http://www.simplehelp.net/2006/09/03/cable-modem-troubleshooting-toshiba-pcx2200/

Light patterns, manuals and more helpful info for the Toshiba PCX2200 cable modem –

Manufacturer: Toshiba Model: PCX2200
no photo available
Modem Light Indicators
Cable Off – No downstream signal or power off.
Flashing slowly – Downstream signal present, ranging in progress.
Flashing fast – Registration in progress.
Solid – Modem acquired and ready to transfer data.
PC Off – No carrier to/from PC is present or power is off.
Solid – Carrier to/from PC is present.
Data Off – No data is being transmitted or power is off.
Flashing – Data is being transmitted.
Test Off – Initial self-test OK or power is off.
Flashing – Self-test or software download in progress.
Solid – Self-test failure.
Power Off – Unit is not receiving power.
Solid – Unit is receiving power.
Notes and Useful Information:

Installation and User Manual
Manufacturer Product Website

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]]> http://www.simplehelp.net/2006/09/03/cable-modem-troubleshooting-toshiba-pcx2200/feed/ 0 Cable Modem Troubleshooting: Cisco UBR904 http://www.simplehelp.net/2006/08/16/cable-modem-troubleshooting-cisco-ubr904/ http://www.simplehelp.net/2006/08/16/cable-modem-troubleshooting-cisco-ubr904/#comments Wed, 16 Aug 2006 11:14:58 +0000 Ross McKillop http://www.simplehelp.net/2006/08/16/cable-modem-troubleshooting-cisco-ubr904/

Light patterns, manuals and more helpful info for the Cisco UBR904 cable modem –

Manufacturer: Cisco Model: UBR 904
no photo available
Modem Light Indicators
LED Description Function
OK System status Solid Light = System OK
Blinking Light = Fault
Off = No Power
Act Cable activity Blinking Light = Cable Activity
Off = No Activity
1 Ethernet 1 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
2 Ethernet 2 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
3 Ethernet 3 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
4 Ethernet 4 Solid Light = Link Up
Blinking Light = Activity
Off = Link Down
MSG Message Used by your cable service provider to provide additional information. Contact your service provider for status details.
Link Cable Link Solid Light = Link Up
Off = Link down
User 1 User LED 1 Downstream OK
User 2 User LED 2 Upstream OK
User 3 User LED 3 Signal strength OK
Notes and Useful Information:
Installation and User Manual
Manufacturer Product Website

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]]> http://www.simplehelp.net/2006/08/16/cable-modem-troubleshooting-cisco-ubr904/feed/ 0 Cable Modem Troubleshooting: RCA DCM245 http://www.simplehelp.net/2006/08/10/cable-modem-troubleshooting-rca-dcm245/ http://www.simplehelp.net/2006/08/10/cable-modem-troubleshooting-rca-dcm245/#comments Fri, 11 Aug 2006 05:47:25 +0000 Ross McKillop http://www.simplehelp.net/2006/08/10/cable-modem-troubleshooting-rca-dcm245/

Light patterns, images, manuals and more helpful info for the RCA DCM245 cable modem –

RCA DCM245
Manufacturer: RCA Model: DCM245
Modem Light Indicators
Power Off – Modem is in stand-by mode or not receiving power.
On – Modem power is activated and receiving power.
PC Link Off – No ethernet carrier is present or the modem is in stand-by mode.
On – Ethernet carrier is present with no send/receive activity.
Flashing – Indicates Send/receive activity.
Cable Off – No cable connection detected or modem is in stand-by mode.
Flashing – Cable connection is detected. Modem is not yet acquired.
On – Modem is acquired. Data can be sent.
Activity Indicates activity over cable network. The light is off during
times of no activity and flashing when activity exists.
Email Flashes when you have email (if offered by cable provider).
Notes and Useful Information:

The image above is of the DCM225. It’s virtually identical to the 245.

Thomson, the manufacturer of the RCA DCM245 cable modem, has recalled the Power Supply on this model. A limited number of the Power Supplies distributed have a bad circuit.

When this modem is in stand-by mode, the Internet/Power light will be off. All other lights will operate normally. While in stand-by mode, the customer may still be able to release/renew an IP address without any problems. Please keep this in mind when troubleshooting PC connectivity issues.

Installation and User Manual
Manufacturer Product Website

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]]> http://www.simplehelp.net/2006/08/10/cable-modem-troubleshooting-rca-dcm245/feed/ 0 Cable Modem Troubleshooting: RCA DCM235 http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm235/ http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm235/#comments Thu, 10 Aug 2006 05:50:13 +0000 Ross McKillop http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm235/

Light patterns, images, manuals and more helpful info for the RCA DCM235 cable modem –

RCA DCM235
Manufacturer: RCA Model: DCM235
Modem Light Indicators
Power Off – Modem is in stand-by mode or not receiving power.
On – Modem power is activated and receiving power.
PC Link Off – No ethernet carrier is present or the modem is in stand-by mode.
On – Ethernet carrier is present with no send/receive activity.
Flashing – Indicates Send/receive activity.
Cable Off – No cable connection detected or modem is in stand-by mode.
Flashing – Cable connection is detected. Modem is not yet acquired.
On – Modem is acquired. Data can be sent.
Activity Indicates activity over cable network. The light is off during
times of no activity and flashing when activity exists.
Email Flashes when you have email (if offered by cable provider).
Notes and Useful Information:

The image above is of the DCM225. It’s virtually identical to the 235.

When this modem is in stand-by mode, the Internet/Power light will be off. All other lights will operate normally. While in stand-by mode, the customer may still be able to release/renew an IP address without any problems. Please keep this in mind when troubleshooting PC connectivity issues.

Installation and User Manual
Manufacturer Product Website

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]]> http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm235/feed/ 0 Cable Modem Troubleshooting: RCA DCM215 http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm215/ http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm215/#comments Thu, 10 Aug 2006 02:26:37 +0000 Ross McKillop http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm215/

Light patterns, images, manuals and more helpful info for the RCA DCM215 cable modem –

RCA DCM215
Manufacturer: RCA

Model: DCM215

Modem Light Indicators
Power Off – Modem is in stand-by mode or not receiving power.
On – Modem power is activated and receiving power.
PC Link Off – No ethernet carrier is present or the modem is in stand-by mode.
On – Ethernet carrier is present with no send/receive activity.
Flashing – Indicates Send/receive activity.
Cable Off – No cable connection detected or modem is in stand-by mode.
Flashing – Cable connection is detected. Modem is not yet acquired.
On – Modem is acquired. Data can be sent.
Activity Indicates activity over cable network. The light is off during times of no activity and flashing when activity exists.
Email Flashes when you have email (if offered by cable provider).
Notes and Useful Information:

The image above is of the DCM205. It’s identical to the 215.

When this modem is in stand-by mode, the Internet/Power light will be off. All other lights will operate normally. While in stand-by mode, you may still be able to release/renew an IP address without any problems. Please keep this in mind when troubleshooting PC connectivity issues.

Installation and User Manual
Manufacturer Product Website

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]]> http://www.simplehelp.net/2006/08/09/cable-modem-troubleshooting-rca-dcm215/feed/ 0 Cable Modem Troubleshooting: Terayon ECM210 / TJ210 http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-terayon-ecm210-tj210/ http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-terayon-ecm210-tj210/#comments Wed, 02 Aug 2006 05:21:04 +0000 Ross McKillop http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-terayon-ecm210-tj210/

Light patterns, images, manuals and more helpful info for the Terayon ECM210 / TJ210 cable modem(s) -

click to enlarge
click to enlarge (and animate)
Manufacturer: Terayon

Model: ECM210 / TJ210
Modem Light Indicators
Modem Light Indicators
Power Off - modem is not receiving power
On - modem power is activated and receiving power
Cable Off - no cable connection detected
Flashing - searching for upstream/downstream signal
On - modem is acquired; data can be sent
PC Off - ethernet cable is unplugged or computer is not turned on
On - computer is detected
Data Indicates activity over cable network.
Off - no activity
Flashing - activity exists
Test Flashing - self test is in progress
Notes and Useful Information

Manufacturer Website
Manufacturer Product Page
Manufacturer Support Page

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]]> http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-terayon-ecm210-tj210/feed/ 0 Cable Modem Troubleshooting: RCA DCM325 http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-rca-dcm325/ http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-rca-dcm325/#comments Wed, 02 Aug 2006 04:23:51 +0000 Ross McKillop http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-rca-dcm325/

Light patterns, images, manuals and more helpful info for the RCA DCM325 cable modem –

click to enlarge
click to enlarge (and animate)
Manufacturer: RCA

Model: DCM325
Modem Light Indicators
Message Flashing – flashes to indicate unread email (only if ISP enables this feature)
Off – no email messages pending
Cable Activity Flashing – indicates data traffic; modem is in use
Off – indicates no current data traffic
Cable Link On – cable modem is connected to the network
Flashing – cable modem is attempting to connect to the network
Off – cable modem not connected to the network
PC Link On – PC is detected but no current activity
Flashing – activity between PC and modem
Off – no computer detected or modem is in standby
Internet On – If this and the Cable Link light are steady then the modem is connected
Flashing – modem is searching for a downstream signal
Off – power is not supplied to the modem or modem is in standby
Notes and Useful Information

Installation and User Manual, .pdf (1.05MB)
Manufacturer Website
Manufacturer Customer Service Page

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]]> http://www.simplehelp.net/2006/08/01/cable-modem-troubleshooting-rca-dcm325/feed/ 0 Cable Modem Troubleshooting: Scientific Atlanta DPC2100 http://www.simplehelp.net/2006/07/17/cable-modem-troubleshooting-scientific-atlanta-dpc2100/ http://www.simplehelp.net/2006/07/17/cable-modem-troubleshooting-scientific-atlanta-dpc2100/#comments Tue, 18 Jul 2006 05:11:44 +0000 Ross McKillop http://www.simplehelp.net/2006/07/17/cable-modem-troubleshooting-scientific-atlanta-dpc2100/

Light patterns, images, manuals and more helpful info for the Scientific Atlanta DPC2100 cable modem –

click to enlarge
click to enlarge (and animate)
Manufacturer: Scientific Atlanta Model: DPC2100
Modem Light Indicators
PC Flashing – data being transferred between the PC and the cable modem
Solid – indicates Ethernet/USB carrier is present
Cable Flashing – modem is scanning the network and attempting to register
Solid – modem is acquired
Send flashes in sync with data sent from the cable modem to the network
Receive flashes in sync with data received from the network to the cable modem
Power Solid – power is being applied to the cable modem
Notes and Useful Information

Installation and User Manual
Manufacturer Website
Manufacturer Product Page

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]]> http://www.simplehelp.net/2006/07/17/cable-modem-troubleshooting-scientific-atlanta-dpc2100/feed/ 92 Cable Modem Troubleshooting: RCA DCM425 http://www.simplehelp.net/2006/07/15/cable-modem-troubleshooting-rca-dcm425/ http://www.simplehelp.net/2006/07/15/cable-modem-troubleshooting-rca-dcm425/#comments Sun, 16 Jul 2006 04:58:12 +0000 Ross McKillop http://www.simplehelp.net/2006/07/15/cable-modem-troubleshooting-rca-dcm425/

Light patterns, images, manuals and more helpful info for the RCA DCM425 cable modem –

click to enlarge
click to enlarge (and animate)
Manufacturer: RCA

Model: DCM425
Modem Light Indicators
Message Flashing – flashes to indicate unread email (only if ISP enables this feature)
Off – no email messages pending
Cable Activity Flashing – indicates data traffic; modem is in use
Off – indicates no current data traffic
Cable Link On – cable modem is connected to the network
Flashing – cable modem is attempting to connect to the network
Off – cable modem not connected to the network
PC Link On – PC is detected but no current activity
Flashing – activity between PC and modem
Off – no computer detected or modem is in standby
Internet On – If this and the Cable Link light are steady then the modem is connected
Flashing – modem is searching for a downstream signal
Off – power is not supplied to the modem or modem is in standby
Notes and Useful Information

Installation and User Manual, .pdf (1.05MB)
Manufacturer Website
Manufacturer Customer Service Page

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]]> http://www.simplehelp.net/2006/07/15/cable-modem-troubleshooting-rca-dcm425/feed/ 44 Cable Modem Troubleshooting: Motorola SB3100 http://www.simplehelp.net/2006/07/14/cable-modem-troubleshooting-motorola-sb3100/ http://www.simplehelp.net/2006/07/14/cable-modem-troubleshooting-motorola-sb3100/#comments Sat, 15 Jul 2006 05:10:20 +0000 Ross McKillop http://www.simplehelp.net/2006/07/14/cable-modem-troubleshooting-motorola-sb3100/

Light patterns, images, manuals and more helpful info for the Motorola SB3100 cable modem –

Manufacturer: Motorola Model: SB3100
Modem Light Indicators
Power

Flashing – Startup diagnostics in progress.
On – Cable modem is powered on.
Receive

Flashing – Scanning for a downstream channel.
On – Downstream channel is connected.
Send Flashing – Scanning for an upstream channel.
On – Upstream channel is connected.
Online

Flashing – Scanning for a network connection.
On – Startup process complete. Modem aqcuired.

Activity

 Flashing or On – Transmitting or receiving data.

Notes and Useful Information:

Installation and User Manual (Requires Adobe Acrobat)

Motorola Product Website

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]]> http://www.simplehelp.net/2006/07/14/cable-modem-troubleshooting-motorola-sb3100/feed/ 0 Cable Modem Troubleshooting: Motorola SB4200 http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4200/ http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4200/#comments Fri, 14 Jul 2006 05:20:03 +0000 Ross McKillop http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4200/

Light patterns, images, manuals and more helpful info for the Motorola SB4200 cable modem –

Manufacturer: Motorola Model: SB4200
Modem Light Indicators
Power

Flashing – Startup diagnostics in progress.
On – Cable modem is powered on.
Receive

Flashing – Scanning for a downstream channel.
On – Downstream channel is connected.
Send Flashing – Scanning for an upstream channel.
On – Upstream channel is connected.
Online

Flashing – Scanning for a network connection.
On – Startup process complete. Modem aqcuired.

Activity

 Flashing or On – Transmitting or receiving data.

Standby

 This light turns on when the standby button is pressed and standby
mode is activated.
Notes and Useful Information:

This modem has a standby button located on the top of the unit. When activated, the LED lights turn off (except the standby LED) indicating the ethernet and usb ports are disabled. Note: The cable connection to the service provider remains active.

This modem was recalled from at least one large cable ISP in the US.

Installation and User Manual (Requires Adobe Acrobat)
Motorola Product Website

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]]> http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4200/feed/ 0 Cable Modem Troubleshooting: Motorola SB4101 http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4101/ http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4101/#comments Fri, 14 Jul 2006 05:14:09 +0000 Ross McKillop http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4101/

Light patterns, images, manuals and more helpful info for the Motorola SB4101 cable modem –

Manufacturer: Motorola Model: SB4101
Motorola SB4101 cable modem
Modem Light Indicators
Power

Flashing – Startup diagnostics in progress.
On – Cable modem is powered on.
Receive

Flashing – Scanning for a downstream channel.
On – Downstream channel is connected.
Send Flashing – Scanning for an upstream channel.
On – Upstream channel is connected.
Online

Flashing – Scanning for a network connection.
On – Startup process complete. Modem aqcuired.

Activity

 Flashing or On – Transmitting or receiving data.

Standby

 This light turns on when the standby button is pressed and standby
mode is activated.

Notes and Useful Information:

This modem has a standby button located on the top of the unit. When
activated, the LED lights turn off indicating the ethernet and usb ports
are disabled. Note: The cable connection to the service provider remains
active.

Installation and User Manual (Requires Adobe Acrobat)
Motorola Product Website (USB Drivers can also be found here)

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]]> http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-motorola-sb4101/feed/ 0 Cable Modem Troubleshooting: RCA DCM225/226 http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-rca-dcm225226/ http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-rca-dcm225226/#comments Fri, 14 Jul 2006 02:28:02 +0000 Ross McKillop http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-rca-dcm225226/

Light patterns, images, manuals and more helpful info for the RCA DCM225 / 226 cable modem –

RCA DCM225 DCM226
Manufacturer: RCA

Model: DCM225/226

Modem Light Indicators
Power Off – Modem is in stand-by mode or not receiving power.
On – Modem power is activated and receiving power.
PC Link Off – No ethernet carrier is present or the modem is in stand-by mode.
On – Ethernet carrier is present with no send/receive activity.
Flashing – Indicates Send/receive activity.
Cable Off – No cable connection detected or modem is in stand-by mode.
Flashing – Cable connection is detected. Modem is not yet acquired.
On – Modem is acquired. Data can be sent.
Activity Indicates activity over cable network. The light is off during times of no activity and flashing when activity exists.

Email

Flashes when you have email (if offered by cable provider).
Notes and Useful Information

When this modem is in stand-by mode, the Internet/Power light will be off. All other lights will operate normally. While in stand-by mode, you may still be able to release/renew an IP address without any problems. Please keep this in mind when troubleshooting PC connectivity issues.

Manufacturer Product Website

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Related Articles at Simple Help:


]]> http://www.simplehelp.net/2006/07/13/cable-modem-troubleshooting-rca-dcm225226/feed/ 0 Cable Modem Troubleshooting: Motorola SB4220 http://www.simplehelp.net/2006/07/12/cable-modem-troubleshooting-motorola-sb4220/ http://www.simplehelp.net/2006/07/12/cable-modem-troubleshooting-motorola-sb4220/#comments Thu, 13 Jul 2006 07:00:26 +0000 Ross McKillop http://www.simplehelp.net/2006/07/12/cable-modem-troubleshooting-motorola-sb4220/

Light patterns, images, manuals and more helpful info for the Motorola SB4220 cable modem –

Manufacturer: Motorola Model: SB4220
Modem Light Indicators
Power

Flashing – Startup diagnostics in progress.
On – Cable modem is powered on.
Receive

Flashing – Scanning for a downstream channel.
On – Downstream channel is connected.
Send Flashing – Scanning for an upstream channel.
On – Upstream channel is connected.
Online

Flashing – Scanning for a network connection.
On – Startup process complete. Modem aqcuired.

Activity

 Flashing or On – Transmitting or receiving data.

Standby

 This light turns on when the standby button is pressed and standby
mode is activated.
Notes and Useful Information:

This modem has a standby button located on the top of the unit. When activated, the LED lights turn off (except the standby LED) indicating the ethernet and usb ports are disabled. Note: The cable connection to the service provider remains active.

Installation and User Manual (Requires Adobe Acrobat
Motorola Product Website

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