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Page 11 / 60 Scroll up to view Page 6 - 10
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only.
5
3.
Remove any connections to the unit and locate it over the screw heads.
When in line,
gently push the unit on to the wall and move it downwards to secure.
Page 12 / 60
Chapter 1: Connections and Setup
6
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
Wireless
Message
Cable
Activity
Cable
Link
PC
Link
Internet
Description
ON
ON
ON
ON
ON
0.25
sec
ON
0.25 second
ON
ON
ON
Power on 0.25 sec
ON
FLASH
X
FLASH
FLASH
X
X
X
From power ON to system initialization complete
ON
ON
ON
Boot-up
Operation
ON
1 sec
X
1 second
X
X
X
Following system initialization complete to (before) DS
scanning
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 is available fro 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)
Page 13 / 60
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only.
7
Tel 2
Tel 1
Wireless
Message
Cable
Activity
Cable
Link
PC
Link
Internet
Description
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
X
From Right to Left
A software download and while updating the FLASH
memory
Rear Panel
15VDC:
15V DC-IN Power connector
TEL1 & TEL2
Telephony RJ-11 connector
ETHERNET:
Ethernet 10/100BaseT RJ-45 connector
USB:
USB Connector
REBOOT EMTA:
Reboot this Residential Voice Gateway
CABLE:
F-Connector
Page 14 / 60
Chapter 1: Connections and Setup
8
Residential Voice Gateway DWG855 Overview
Front Panel
The following illustration shows the front panel of the DWG855 machine:
The LEDs on the front panel are described in the table below (from left to right):
Internet
Ethernet
Power
DS
US
Online
1
2
3
4
Tel 1
Tel 2
Battery
Wireless
USB
Description
ON
ON
ON
ON
ON
0.25 second
ON
ON
ON
ON
ON
ON
X
ON
ON
Power on 0.25 sec
ON
FLASH
FLASH
FLASH
X
X
X
X
X
X
X
X
X
From power ON to
system initialization
complete
ON
ON
ON
Boot-up
Operation
ON
1 second
X
X
X
X
X
X
X
X
X
Following system
initialization complete
to (before) DS scanning
ON
FLASH
OFF
OFF
X
X
X
X
X
X
X
X
X
During DS scanning and
acquiring SYNC
ON
ON
FLASH
OFF
X
X
X
X
X
X
X
X
X
From SYNC completed,
receiving UCD to
ranging completed
ON
ON
ON
FLASH
X
X
X
X
X
X
X
X
X
During DHCP,
configuration file
download, registration,
and Baseline Privacy
initialization
ON
ON
ON
ON
X
X
X
X
X
X
X
X
X
Operational (NACO=ON)
DOCSIS
Start-up
Operation
ON
FLASH
FLASH
OFF
X
X
X
X
X
X
X
X
X
Operational(NACO=OFF)
ON
ON
ON
ON
X
X
X
X
FLASH
OFF
OFF
X
X
MTA DHCP
ON
ON
ON
ON
X
X
X
X
OFF
FLASH
OFF
X
X
MTA SNMP/TFTP
MTA
initialization
ON
ON
ON
ON
X
X
X
X
FLASH
FLASH
OFF
X
X
RSIP
ON
X
X
X
OFF
ON
FLASH
ON
OFF
ON
FLASH
ON
OFF
ON
FLASH
ON
OFF
ON
FLASH
ON
X
X
X
X
X
No Ethernet Link
Ethernet Link
TX/RX Ethernet Traffic
Ethernet Collision
CPE
Operation
ON
X
X
X
X
X
X
X
X
X
X
X
OFF
ON
FLASH
ON
No USB Link
USB Link
TX/RX USB Traffic
USB driver is not ready
Page 15 / 60
Chapter 1: Connections and Setup
Illustrations contained in this document are for representation only.
9
Internet
Ethernet
Power
DS
US
Online
1
2
3
4
Tel1
Tel2
Battery
Wireless
USB
Description
CPE
Operation
ON
X
X
X
X
X
X
X
X
X
X
OFF
ON
FLASH
ON
X
No Wireless Link
Wireless Link
TX/RX Wireless Traffic
Wireless is not installed
or disable
ON
ON
ON
Both Lines On-Hook
ON
FLASH
ON
Tel1 Off-hook, Tel2
On-hook
ON
ON
FLASH
Tel1 On-hook, Tel2
Off-hook
AC Good
Battery Good
ON
FLASH
FLASH
ON
Both Lines Off-Hook
ON
ON
ON
Both Lines On-Hook
ON
FLASH
ON
Tel1 Off-hook, Tel2
On-hook
ON
ON
FLASH
Tel1 On-hook, Tel2
Off-hook
AC Good
Battery Low
ON
FLASH
FLASH
FLASH
Both Lines Off-Hook
ON
ON
ON
Both Lines On-Hook
ON
FLASH
ON
Tel1 Off-hook, Tel2
On-hook
ON
ON
FLASH
Tel1 On-hook, Tel2
Off-hook
AC Good
Battery Bad
ON
<CM Normal Operation>
FLASH
FLASH
OFF
<CM Normal
Operation>
Both Lines Off-Hook
ON
Both Lines On-Hook
FLASH
Tel1 Off-hook, Tel2
On-hook
ON
Tel1 On-hook, Tel2
Off-hook
AC Fail
Battery Good
FLASH
OFF
Both Lines Off-Hook
ON
Both Lines On-Hook
FLASH
Tel1 Off-hook, Tel2
On-hook
ON
Tel1 On-hook, Tel2
Off-hook
AC Fail
Battery Low
FLASH
OFF
FLASH
FLASH
OFF
Both Lines Off-Hook
Both Lines On-Hook
Tel1 Off-hook, Tel2
On-hook
Tel1 On-hook, Tel2
Off-hook
AC Fail
Battery Bad
< All LEDs may be unlit due to lack of battery power>
OFF
OFF
< All LEDs may
be unlit due to
lack of battery
power>
Both Lines Off-Hook
SW
Download
Operation
ON
FLASH
FLASH
ON
X
X
X
X
X
X
X
X
X
A
software
download
and while updating the
FLASH memory

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