Indicator Lights for the TM722A/B/S Models
The Touchstone Telephony Modem has seven indicator lights to assist in trou-
bleshooting.
Indicator Lights: Normal Operation
The following table shows light patterns during normal operation. If colors are not
indicated, they do not affect the status.
Note 1
:
Your cable company may configure the Telephony Modem to always dis-
play the
DS
,
US
, and
Link
indicators in green regardless of the connec-
tion speed.
Note 2
:
If you have computers connected to both the USB and Ethernet ports,
the Link indicator is green
only
if both connections are high-speed
(USB 2.0 and 1000 BaseT Ethernet).
Mode
Power
DS
US
Online
Link
Tel. 1/
Tel. 2
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
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
Yellow
2
=
USB 1.x or
10/100 BaseT
Ethernet
connected
Green
2
=
USB 2.0 or 1000
BaseT Ethernet
connected
Off = Computer
not connected
Flash
=
Computer
Activity
On
=
On-hook
Flash
=
Off-hook
Off = disabled
No AC Power
Off
Off
Off
Off
Off
Off
Firmware
Upgrade
On
Flash
Flash
On
(normal
operation)
(normal
operation)
Touchstone TM722 Telephony Modem User’s Guide
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