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MultiModemZBA-V-V92 User Guide
OH
Off-Hook. The OH indicator lights when the modem is off-hook, which occurs when the modem is
dialing, online, or answering a call. The LED flashes when the modem pulse-dials.
TR
Terminal Ready. The TR indicator lights when a communications program is using the modem. It
means the modem is ready for an outgoing or incoming call. It goes off when the communications
program disconnects the serial port. When it goes off, a connected modem will also disconnect.
EC
Error Correction (V.42). The EC indicator lights continuously when the modem is in V.42 error
correction mode, and flashes when compression is activated.
FX
Fax. The FX indicator lights when the modem is in fax mode.
Note: When you turn on the modem, the protocol indicators flash briefly as the modem does a self-
test, after which the 56 indicator lights. After a call, the indicator for the protocol used in the
connection remains lit until another call is made or the modem is reset. If you connect at a rate under
14,400 bps, all protocol indicators remain off after the connection is broken, even though the modem
is still turned on.
Configuring the Modem
Your modem normally is configured either through Windows or through the communication program
you are using. The default settings work best for most purposes. See “Step 6: Install and Configure
Your Software” in Chapter 2 for help in setting up your communication program.
You can also configure your modem directly by typing AT commands in the terminal window of a
communication program. See Chapter 4 for descriptions of the modem’s AT commands.
PhoneTools Features
Using the PhoneTools communications program included with your modem, you can:
Upload and download data files.
Send faxes at preset times.
Store incoming voice messages and faxes.
Retrieve stored messages, faxes, and telephone numbers (telephone number retrieval requires
Caller ID service from your telephone company).
Print a received fax.
For detailed information about operating your modem under PhoneTools, please refer to the Phone-
Tools online documentation.