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Patterns: Normal Operation (WAN and Battery)
The following table shows light patterns during normal operation.
Mode
Power
US/DS
Online
Battery
AC Power
Good
On
On
=
Connected
to the
Internet
Flash
= Not
connected
to the
Internet
On
=
Internet
available
Off =
Internet
not
available
On
=
Battery
good or low
Off
=
Battery
missing
Flash
=
Battery bad
No AC
Power Bat-
tery In-
stalled
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
TG862 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
41
Page 42 / 54
42
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
Touchstone
TG862 Telephony Gateway User’s Guide
Patterns: Startup Sequence
The following table shows 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.
Note
:
The
US/DS
indicator flashes during startup, and turns on when the Tele-
phony Gateway establishes a connection.
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
“Cable Modem Start Up Sequence”
Begins
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 Begins
Page 43 / 54
Cable Modem Start Up Sequence
Using the Reset Button
Use the
Reset
button, 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 Internet. Using
this button will be rare.
Use a pointed
non-metallic
object to press this button. The photo to the left shows
the location of the
Reset
button. The
Reset
button is recessed to prevent acci-
dental 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
button 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 defaults. You
may need to do this if a misconfiguration has locked out all access.
US/DS
Online
Description
Flash
(slow)
Off
Downstream search
Flash
(fast)
Off
Downstream found; upstream search
On
Flash
Downstream and Upstream found;
retrieving setup information from
cable operator
On
On
Ready for service
Touchstone
TG862 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
43
Reset
USB
Tel
1
2
1
2
3
4
Ethernet
Cable
Power
Reset
Button
Page 44 / 54
Booting from Battery
The TG862 supports a “Boot from Battery” feature that allows the Telephony Gate-
way to begin service without AC power.
To start the TG862 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; the Power light should turn on immediately.
Touchstone
TG862 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
44
Page 45 / 54
Troubleshooting
The Telephony Gateway is plugged in, but the Power light is off.
Check all power connections. Is the power cord plugged in firmly at both
ends?
If you plugged the power cord into a power strip, make sure the strip is
switched on.
Avoid using an outlet controlled by a wall switch, if possible.
Finally, check the fuse or circuit breaker panel.
I’m not getting on the Internet (all connections).
It may take over 30 minutes to establish a connection the first time you
power up your Telephony Gateway, especially when many people are online.
Always leave your Telephony Gateway plugged into AC power and connected
to the cable system.
Check the front panel lights:
The
Power
and
Online
lights should be on.
If the
Power
light blinks for more than 30 minutes, call your cable
company for assistance.
Check your cable connections. Connectors should be tight. The
coax cable
should not be pinched, kinked, or bent sharply—any of these can cause a
break or short in the cable (you may have to replace the cable). If you have
one or more splitters between the Telephony Gateway and CATV outlet, re-
move the splitters and connect the Telephony Gateway directly to the out-
let.
Proceed to the Ethernet or wireless solutions (next page) if necessary.
Touchstone
TG862 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
45

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