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Cable modem overview, Front panel, Chapter 1: connections and setup – RCA THG540 User Manual

Page 8: Cable modem overview front panel

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Chapter 1: Connections and Setup

Illustrations contained in this document are for representation only.

3

Cable Modem Overview

Front Panel

The following illustration shows the front panel of the EMTA machine:

The LEDs on the front panel are described in the table below (from left to right):

THG540

Tel 2

Tel 1

Message

Cable

Activity

Cable

Link

PC

Link

Internet

Description

X X OFF

OFF

OFF

OFF

FLASH

Tuning
(Searching downstream signal)

X X OFF

OFF

OFF

FLASH

FLASH

Ranging - Awaiting Response
(DS carrier acquire, ranging in process but
RNG-RSP has not been detected)

X X OFF

OFF

OFF

FLASH

FLASH

Any RNG-RSP detected
(Normalizing power level and timing offset)

X X OFF

OFF

FLASH FLASH

FLASH

Connecting
(Ranging complete, DHCP in progress)

X X OFF

FLASH FLASH FLASH

FLASH

Configuring
(DHCP complete, configuration file download
in process)

X X

FLASH

FLASH FLASH FLASH

FLASH

Registering and Baseline Privacy Initializing
(configuration file download complete, initialize
BPI if BPI is ON, registration in process)

Start-up

Operation

X

X

Enter Normal Operation Mode

Registration complete

X X X X X X

OFF

ON

Internet ON-OFF switch off
Internet ON-OFF switch on

X X X X X

OFF

FLASH

ON

X

NO Ethernet/USB carrier present
Ethernet/USB TX/RX traffic
Ethernet/USB carrier present, no traffic

X X X X

OFF

FLASH

ON

X X

NO Cable Link
Cable BSS/OSS has set the CM into
de-activated state
CM is registered

X X X

OFF

FLASH

X X X

Internet ON-OFF switch off/No RF DS/US
network traffic
RF DS/US network traffic

Normal

Operation

X X

OFF

FLASH

X X X X

No message is delivered by the MSO
Email/Voice Mail is available for the user on
the server
(Implementation of the message waiting LED
will be via Proprietary MIB)

X X X X

Wink

X X

No service

Operation

Three seconds ON followed by a flash OFF

NACO =OFF
BPI unauthorized (when BPI is ON)