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Page 41 / 55 Scroll up to view Page 36 - 40
41
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
Touchstone TG1672 Telephony Gateway User’s Guide
Indicator Lights for the TG1672
The Telephony Gateway has ten LED indicator lights to assist in trouble shooting.
Wiring Problems
If the Telephony Gateway begins flashing all its lights for more than 10 seconds, this
indicates a problem with the telephone wiring — the red and green wires may be
shorted (touching), or there may be undesired voltage on the lines. If this pattern
persists for more than 10 seconds, disconnect the telephone lines from the Tele-
phony Gateway, then call a wiring technician for assistance.
Patterns: Normal Operation (LAN and Telephone)
The following table shows light patterns for the Ethernet, MoCA and wireless LANs,
and the telephones, during normal operation.
Mode
Ethernet
(rear panel)
2.4 GHz/
5 GHz WiFi
Tel 1 / Tel 2
MoCA
AC
Power
Green LED On
=
Computer with 1
Gbps port connected
Amber LED On
=
Computer with 100
Mbps/10 Mbps port
connected
Amber/Green LED
Flash
= Computer
activity
Both LEDs Off =
Computer not
connected
On
= WiFi
Enabled
Off = WiFi
Disabled
Flash
=
Computer
Activity
On
= On-hook
Flash
= Off-hook
Off = disabled
On
= MoCA
enabled
Flash
= MoCA
network device
activity/traffic
Off = MoCA
disabled
No AC
Power
Off
Off
On
= On-hook
Flash
= Off-hook
Off = disabled
Off
Firmware
Upgrade
(normal operation)
(normal operation)
(normal operation)
(normal operation)
Power
US/DS
Online
2.4 GHz
5 GHz
MoCA
Tel 1
Tel 2
Battery
WPS
Page 42 / 55
Patterns: Normal Operation (WAN and Battery)
The following table shows light patterns during normal operation.
Note 1
:
Your cable company may configure the Telephony Gateway to always
display the
US/DS
indicator in green regardless of the connection speed
or swap the meaning (speed indication) of yellow and green.
Mode
Power
US/DS
Online
Battery
AC Power
Good
On
Yellow
1
=
Connected to
the Internet
(high speed)
Green
1
=
Connected to
the Internet
(ultra-high
speed)
Flash
= Not
connected to
the Internet
On
=
Internet
available
Off =
Internet not
available
On
= Battery
good or low
Off
= Battery
missing
Flash
= Bat-
tery bad
No AC
Power
Battery
Installed
Flash
Off
Off
Off = Battery
power
Flash
=
Battery bad
No AC
Power No
Battery
Off
Off
Off
Off
Firmware
Upgrade
On
Flash
On
(normal
operation)
Touchstone TG1672 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
42
Page 43 / 55
43
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
Touchstone TG1672 Telephony Gateway User’s Guide
Patterns: Startup Sequence
The following tables show the Telephony Gateway light patterns during each phase
of the startup sequence. There are two phases of startup; the Telephony phase and
the cable modem phase. Both are outlined below.
Telephony Start Up Sequence
Note
:
The
US/DS
indicator flashes yellow during startup, and turns green if
the Telephony Gateway establishes an ultra-high speed connection. For
some cable companies these colors may be reversed.
Power,
US/DS,
Online
Telephone
Battery
Description
1
2
Off
Off
Off
Off
No power to Modem
Flash
Flash
Flash
Flash
Power-on Self Test
See “Cable Modem Start Up Sequence”
On
Flash
Off
Off
Retrieving telephone net-
work information
On
Off
Flash
Off
Retrieving telephone line
information
On
Flash
Flash
Off
Activating telephone
service
Normal Operation
Page 44 / 55
Cable Modem Start Up Sequence
US/DS
Online
Description
Slow
Flash
(1/second)
Off
Downstream acqusition in progress
On
(until Upstream
acqusition
starts)
Off
Downstream acquisition completed
Fast
Flash
(3/second)
Off
Upstream acquisition completed
On
Slow
Flash
(during acqusition)
On
(when modem IP
address obtained)
Upstream acqusition completed,
ready for service
Touchstone TG1672 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
44
Page 45 / 55
Using the Reset Button
Use the
Reset
button (
A
), on the back of the Telephony Gateway, to reset the
modem and perform initialization as if you power cycled the unit. You may need to
reset the Telephony Gateway if you are having problems connecting to the Inter-
net. Using this button will be rare.
Use a pointed
non-metallic
object to press this button. The
Reset
button is re-
cessed to prevent accidental resets.
The diagram on the left shows the location of the reset button.
Resetting the Router to Factory Defaults
To reset the router to factory defaults, press and hold the
Reset
but ton (
A
)on the
back of the Telephony Gateway for more than fifteen seconds. This restores the
wireless setup configuration and router configuration parameters to the factory de-
faults. You may need to do this if a misconfiguration has locked out all access.
Booting from Battery
The TG1672 supports a “Boot from Battery” feature that allows the Telephony Gate-
way to begin service without AC power.
To start the TG1672 from its battery, follow these steps:
1
If a battery is already installed in the Telephony Gateway, remove it.
2
Re-insert the battery into the Telephony Gateway (see
Battery Installation
and Removal
for details).
3
Press the
Reset
button (
A
); the Power light should turn on immediately.
Touchstone TG1672 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
45
Cable
Ethernet
10/100/1000
USB
Tel 1
Reset
Tel 2
1
2
3
4
A

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