Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only.
5
Residential Voice Gateway TWG850 Overview
Front Panel
The following illustration shows the front panel of the TWG850 machine:
The LEDs on the front panel are described in the table below (from left to right):
Tel 2 Tel 1 WirelessMessage Cable
Activity
Cable
Link
PC
Link Internet
Description
X
X
X
OFF
OFF
OFF
OFF
FLASH
Tuning
(Searching downstream signal)
X
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
X
OFF
OFF
OFF
FLASH FLASH
Any RNG-RSP detected
(Normalizing power level and timing offset)
X
X
X
OFF
OFF
FLASH FLASH FLASH
Connecting
(Ranging complete, DHCP in progress)
X
X
X
OFF
FLASH FLASH FLASH FLASH
Configuring (DHCP complete, configuration file download
in process)
X
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
X
FLASH
ON
NO Cable Link
CM is registered
X
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
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
X
OFF
FLASH
X
X
X Internet ON-OFF switch off/No RF DS/US network traffic
RF DS/US network traffic
X
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)
Normal
Operation
X
X
OFF
ON
FLASH
X
X
X
X
X
Wireless initiate fail or disable
Wireless initiate success or enable
TX/RX Wireless Traffic
X
X
X
X
X
Wink
X
X
No service
Operation
X
X
X
3 seconds ON followed by a flash OFF
NACO =OFF
BPI unauthorized (when BPI is ON)
OFF
FLASH
MTA DHCP
FLASH
OFF
MTA SNMP/TFTP
MTA
initialization
FLASH FLASH
RSIP
ON
ON
Both Lines On-Hook
ON
FLASH
Tel1 Off-hook, Tel2 On-hook
FLASH
ON
Tel1 On-hook, Tel2 Off-hook
MTA
Operation
FLASH FLASH
<CM Normal Operation>
Both Lines Off-Hook
X
X
X
FLASH
FLASH FLASH FLASH FLASH
SW
Download
Operation
X
X
A software download and while updating the FLASH
memory
X
From Right to Left