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10 Quick Start and Reference Guide
Summary of the Indicator Lights
Light Description
OH (Off Hook) Lights when the faxmodem is off hook.
ACTIVITY
Flashes whenever data or commands are trans-
mitted from the serial port of your computer (or
other device) to the faxmodem, or vice-versa. At
high speeds the light may appear to be continu-
ously on.
RING
Blinks on and off when detecting incoming ring.
LINK
Lights when the Data Carrier Detect (DCD) signal
from the faxmodem to the computer is on.
EC/DC (Error Correc-
tion/Data Compression)*
Lights when using V.42 or MNP 4 error correction
and V.42bis or MNP 5 data compression.
56K
Lights when communicating in V.90 or K56flex™
mode.
FAX
Lights when a fax connection has been made to
another faxmodem or to a fax machine.
READY
Lights when the faxmodem is turned on; is unlit
when the computer is in power-save mode.
*Error Correction/Data Compression filters out line noise, repeats transmissions auto-
matically if an error occurs, and automatically compresses data when it’s sent and de-
compresses it when it is received.
Completing the Installation
If you have a PC:
You can now verify the COM port setting of your modem
and perform a brief test. Follow these steps:
1
Open Control Panel in Windows and double-click on
the Modems icon.
2
Click on the entry for your new faxmodem and then
click on the Diagnostics tab.
3
Highlight the port next to the entry for your new fax-
modem and click on More info.
Clicking on More info also tests your faxmodem by que-
rying it with AT commands. A list of responses means the
modem is properly connected.