Using The Reset Button; Booting From Battery; Cable Modem Start Up Sequence - Arris Touchstone TM822 User Manual

Getting
Safety Started
Reset Button
Reset Ethernet Cable
Tel 1/2 Tel 2
10/100/1000
Battery
Installation Installation

Cable Modem Start Up Sequence

The following table shows the start-up sequence for the cable modem portion of the
Telephony Modem. Indicator color is not important.
DS
Flash
On
On
On

Using the Reset Button

Use the Reset button, on the back of the Telephony Modem, to reset the modem
as if you power cycled the unit. You may need to reset the Telephony Modem 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.

Booting from Battery

The TM822 supports a "Boot from Battery" feature that allows the Telephony Modem
to begin service without AC power.
To start the TM822 from its battery, follow these steps:
1
2
3
Touchstone TM822 Telephony Modem User's Guide
Ethernet
Configuration Usage
US Online
Off Off Downstream search
Flash Off Downstream found; upstream search
Downstream
On Flash retrieving setup information from cable
operator
On On Ready for service
If a battery is already installed in the Telephony Modem, remove it.
Re-insert the battery into the Telephony Modem (see
and Replacement (TM822G Only)
Press the Reset button; the Power light should turn on immediately.
Troubleshooting Glossary
Description
and Upstream found;
Battery Installation
for details).
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