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About this Manual
This manual covers the Touchstone TG852 Telephony Gateway. The model number
is on the label affixed to the Telephony Gateway.
See the image at the left.
What About Security?
Having a high-speed, always-on connection to the Internet requires a certain
amount of responsibility to other Internet users—including the need to maintain a
reasonably secure system. While no system is 100% secure, you can use the fol-
lowing tips to enhance your system’s security:
•
Keep your operating system updated with the latest security patches. Run
the system update utility at least weekly.
•
Keep your email program updated with the latest security patches. In addi-
tion, avoid opening email containing attachments, or opening files sent
through chat rooms, whenever possible.
•
Install a virus checker and keep it updated.
•
Avoid providing web or file-sharing services over your Telephony Gateway.
Besides certain vulnerability problems, most cable companies prohibit run-
ning servers on consumer-level accounts and may suspend your account for
violating your terms of service.
•
Use the cable company’s mail servers for sending email.
•
Avoid using
proxy
software unless you are certain that it is not open for
abuse by other Internet users (some are shipped open by
default). Crimi-
nals can take advantage of open proxies to hide their identity when break-
ing into other computers or sending spam. If you have an open proxy, your
cable company may suspend your account to protect the rest of the net-
work.
•
The TG852 ships with wireless LAN security set by default (for the same rea-
sons that you should run only secured proxies). See the security label on
your product (shown on image at the left) for the factory security settings.
If you need to modify the default wireless security settings, see
Configuring
Your Wireless Connection
.
Touchstone TG852 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
11
Model Number
Cable
Ethernet
10/100/1000
Telephone
Reset
USB
1/2
2
2
1
4
3
Security
Label
Page 12 / 60
Ethernet Cable
12
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
Touchstone TG852 Telephony Gateway User’s Guide
Ethernet or Wireless?
There are two ways to connect your computer (or other equipment) to the Tele-
phony Gateway. The following will help you decide which is best for you:
Ethernet
Ethernet is a standard method of connecting two or more computers into a Local
Area Network (LAN). You can use the Ethernet connection if your computer has
built-in Ethernet hardware.
Note
:
To connect more than four computers to the TG852 through the Ether-
net ports, you need an Ethernet hub (available at computer retailers).
The Telephony Gateway package comes with one 6-foot (1.9m) Ethernet cable (the
connectors look like wide telephone connectors); you can purchase more cables if
necessary at a computer retailer. If you are connecting the Telephony Gateway di-
rectly to a computer, or to an Ethernet hub with a cross-over switch, ask for Cate-
gory
5 (CAT5) straight-through cable.
Wireless
Wireless access lets you connect additional (wireless-capable) devices to Telephony
Gateway. The 802.11 wireless LAN standard allows one or more computers to ac-
cess the TG852 using a wireless (radio) signal. These connections are in addition to
the connections supported via Ethernet.
Note
:
You can use the wireless connection if your computer has a built-in or af-
termarket wireless card. To learn more about which wireless hardware
works best with your computer, see your computer dealer.
Both
If you have two or more computers, you can use Ethernet for up to four devices and
wireless for the others.
To connect five or more computers to the Ethernet ports,
you will need an Ethernet hub (available at computer retailers.)
Page 13 / 60
Battery Installation and Removal
The TG852 Telephony Gateway supports a Lithium-Ion backup battery to provide
backup in the event of a local power loss. The battery backup is not intended to take
the place of AC power.
Note:
For safety and regulatory purposes, batteries are shipped outside of the
Telephony Gateway and must be installed.
The TG852 supports the following battery models:
•
Basic backup battery
— provides up to 5 hours (black) or 8 hours (grey)
of backup time, depending on your Telephony Gateway model and usage. It
may be light grey (recommended battery) or black.
Basic Battery Installation and Replacement
•
Extended backup battery
— provides up to 12 hours of backup time, de-
pending on model and usage. It has a strap between the battery guides.
Extended Battery Installation and Replacement
Your cable company may include a backup battery with your Telephony Gateway.
You can order any of the batteries shown here at http://yourbroadbandstore.com/
Touchstone TG852 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
13
Basic Backup Battery (black)
Basic Backup Battery (grey)
Extended Backup Battery
Page 14 / 60
TG852 Basic Battery Installation and Replacement
This model of the Telephony Gateway has the ability to provide battery backup in
the event of a local power loss. The battery backup is not intended to take the place
of AC power.
Use this procedure to install and to replace the backup battery.
1
Press down and pull back on the latch holding the battery door (on the bot-
tom of the Telephony Gateway). Pull the door toward you. Set the door aside
in a safe place.
CAUTION
Risk of equipment damage
Improperly inserting the battery may damage the battery connector in
the Telephony Gateway. Carefully follow the instructions in the next
step to avoid damage.
2
Hold the battery pack so that the guides on the battery align with the slots
on the Telephony Gateway and slide the battery into the bay. The diagram
on the left shows the proper orientation.
Note
: Batteries will not insert completely into the Telephony Gateway if not
oriented correctly. The battery should slide into the bay without significant
force. Line up the guides on the battery with the slots in the battery bay.
Touchstone TG852 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
14
Latch End
Battery Slot
Battery Guide
Page 15 / 60
3
Push the battery pack into the bay until it seats into place.
If you are tak-
ing the battery out of the Telephony Gateway, position your finger
in the battery opening area and use leverage to dislodge the battery
while pulling it straight back.
Note
: The Telephony Gateway will not begin operating until you apply AC
power.
4
Replace the door. To do so, place the hinge tabs of the battery door into the
receiver slots inside the Telephony Gateway battery compartment on the
opposite end of the battery opening. Rotate the door toward the unit until
the latch snaps back into place.
Note
: Telephony Gateways use a Lithium-Ion battery pack. Please recycle
or dispose of the battery responsibly and in accordance with local ordi-
nances.
Touchstone TG852 Telephony Gateway User’s Guide
Safety
Getting
Started
Battery
Installation
Installation
Ethernet
Configuration
Usage
Troubleshooting
Glossary
15
Battery
Compartment
Receiver
Slots
Hinge Tabs

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