User's Manual
Table Of Contents
- WebSTAR™ DPC2223™ and EPC2223™ VoIP Cable Modem with DECT Base Station User’s Guide Introduction
- Notice for CATV Installers
- In This Guide
- IMPORTANT SAFETY INSTRUCTIONS
- What’s In the Carton?
- Front Panel Description
- Back Panel Description
- Where Is the Best Location for My Cable Modem?
- What Are the System Requirements for Internet Service?
- How Do I Set Up My High-Speed Internet Access Account?
- How Do I Connect My Devices to Use the Internet?
- How Do I Configure TCP/IP Protocol?
- How Do I Install USB Drivers?
- What Are the Requirements for Ethernet Network Devices?
- How Do I Select and Place Ethernet Network Devices?
- How Do I Connect Ethernet Network Devices?
- What Are the Requirements for USB Network Devices?
- How Do I Select and Place USB Network Devices?
- How Do I Connect USB Network Devices?
- Troubleshooting My Internet Service Installation
- How Do I Use My Modem for Telephone Service?
- Where Do I Place My Modem for Telephone Service?
- What Are the Requirements for Telephone Service?
- How Do I Install the Modem for Telephone Service?
- How Do I Maintain the Battery? (Optional Model only)
- How Do I Mount the Cable Modem on a Wall? (Optional)
- Telephone Service Frequently Asked Questions
- Having Difficulty?
- Tips for Improved Performance
- Front Panel LED Status Indicator Functions
- Notices
- FCC Compliance
- For Information
WebSTAR DPC2223 and EPC2223 VoIP Cable Modem User’s Guide Preliminary Draft 02 – 1/26/06
46
Front Panel LED Status Indicator Functions
Initial Power Up, Calibration, and Registration
(AC Power applied)
The following chart illustrates the sequence of steps and the corresponding
appearance of the cable modem front panel LED status indicators during power
up, calibration, and registration on the network. Use this chart to troubleshoot the
power up, calibration, and registration process of your cable modem.
Note: After the cable modem completes Step 7 (Registration Completed), the
modem proceeds immediately to Normal Operations. See Normal Operations,
next in this section.
Front Panel LED Status Indicators During Initial Power Up, Calibration, and Registration
Step → 1 2 3 4 5 6 7
Front Panel
Indicator
Self
Test
Downstream
Scan
Downstream
Signal Lock
Ranging Requesting
IP Address
Registering Registration
Completed
1
POWER ON ON ON ON ON ON ON
2
DS ON BLINKING ON ON ON ON ON
3
US ON OFF OFF BLINKING ON ON ON
4
ONLINE ON OFF OFF OFF OFF BLINKING ON
5
LINK ON ON
or
BLINKING
ON
or
BLINKING
ON
or
BLINKING
ON
or
BLINKING
ON
or
BLINKING
ON
or
BLINKING
6
TEL 1 ON OFF OFF OFF OFF OFF OFF
7
TEL 2 ON OFF OFF OFF OFF OFF OFF
8
BATTERY
(Optional
model
only)
OFF OFF OFF OFF OFF OFF OFF
* The ONLINE LED is on whenever a PC is connected to the modem, and it blinks to indicate that data is being transferred. If
the modem is used to provide telephone service only and is not connected to a PC, the ONLINE LED is off.