3Com 3C900B Installation And Operating Instructions Manual page 19

modem all the way into the slot. If you feel
resistance, the modem may not be properly
lined up with the slot. Do not force it into
the slot. Remove the modem and try again.
6. Once the modem is in place, fasten it firmly
using the screw that you removed in step 4.
7. Replace the computer's cover and fasten it
with the screws you removed in step 3.
M I
ODEM NSTALLATION WITH
W 3.
INDOWS X
8. If you currently have a phone plugged into
the wall jack you plan to use for the
modem, disconnect the phone's cord from
the jack.
WARNING :
The phone jack you use
must be for an ANALOG phone line (the type
found in most homes). Many office buildings
have digital phone lines. Be sure you know which
type of line you have. The modem will be
damaged if you use a digital phone line.
9. Plug one end of the phone cord that came
with the modem into the TELCO jack at
the rear of the modem. Plug the other end
of the cord into the wall jack.
10. If you wish to use a phone through the line
the modem uses (when the modem is not in
use), plug your phone's cord into the
modem's PHONE jack.
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