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Communicating Online
When you've set the communications parameters to match
those of the system you are calling, you are ready to get online.
You can use your SX212 Modem to communicate with a telecom¬
munications service or to exchange data with a friend who has
the proper equipment.
1. Turn on your SX212 Modem by pushing the ON/OFF switch
on the back of the modem to the ON (or I) position. The TR
(Terminal Ready) and the MR (Modem Ready) lights should
be on.
2.
Dial the number of the service or friend you wish to con¬
tact. Follow the dialing instructions in your software user's
guide, or see
Using Modem Commands
later in this chapter
to issue dialing commands directly to the modem. The OH
(Off Hook) light comes on and the modem's built-in speaker
lets you hear the progress of your call, including the dial
tone, carrier signal, and other tones.
3. When you are online, you will be informed that a connec¬
tion has been made and the CD (Carrier Detect) light will
be on. If you receive a prompt such as NO CARRIER, your
call was not completed because the phone line to the modem
was improperly connected, the telephone was busy, the call
was not answered, or there was no modem at the access
number. Check your cable connections and the accuracy of
your telephone number and try dialing again. (If you still
encounter problems, see
Chapter 4, Troubleshooting and
Preventive Maintenance.)
4.
When a connection is made to a telecommunications service,
type the appropriate command (available from the service or
its user's guide) for logging on to the system. Prompts are
usually displayed on your screen telling you how to gain
access, such as entering your user ID and password, and how
to use the service. In some systems, you may be required to
press
[Return]
after answering the prompts.
When a connection is made to a friend's system, you can
send messages back and forth by typing characters on your
keyboard, or you can send and receive files. See your soft¬
ware user's guide for instructions.
5. To end your communications session, use the service's
log-off procedure (to ensure that you will be billed only for
the time actually spent online), or let your friend know you
are finished by typing a message (such as "bye").
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