RCA THG540 user manual Cable Modem Overview Front Panel

Chapter 1: Connections and Setup

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	Cable	PC	Internet	Description
				Activity	Link	Link
								Tuning
	X	X	OFF	OFF	OFF	OFF	FLASH
								(Searching downstream signal)
								Ranging - Awaiting Response
	X	X	OFF	OFF	OFF	FLASH	FLASH
								(DS carrier acquire, ranging in process but
								RNG-RSP has not been detected)
								Any RNG-RSP detected
	X	X	OFF	OFF	OFF	FLASH	FLASH
								(Normalizing power level and timing offset)
Start-up								Connecting
	X	X	OFF	OFF	FLASH	FLASH	FLASH
Operation
								(Ranging complete, DHCP in progress)
								Configuring
	X	X	OFF	FLASH	FLASH	FLASH	FLASH	(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)
	X	X	Enter Normal Operation Mode					Registration complete
	X	X	X	X	X	X	OFF	Internet ON-OFF switch off
							ON	Internet ON-OFF switch on
	X	X	X	X	X	OFF	X	NO Ethernet/USB carrier present
						FLASH		Ethernet/USB TX/RX traffic
						ON		Ethernet/USB carrier present, no traffic
								NO Cable Link
					OFF
								Cable BSS/OSS has set the CM into
Normal	X	X	X	X	FLASH	X	X
								de-activated state
					ON
Operation								CM is registered
				OFF				Internet ON-OFF switch off/No RF DS/US
	X	X	X		X	X	X	network traffic
				FLASH
								RF DS/US network traffic
								No message is delivered by the MSO
			OFF					Email/Voice Mail is available for the user on
	X	X		X	X	X	X	the server
			FLASH
								(Implementation of the message waiting LED
								will be via Proprietary MIB)
No service	X	X	X	X	Wink	X	X	NACO =OFF
Operation		Three seconds ON followed by a flash OFF						BPI unauthorized (when BPI is ON)

3Illustrations contained in this document are for representation only.