Installation guide

CIB 2903
(349A) ACOUSTIC COUPLER ADAPTER
This adapter provides a means of
mechanically connecting the
voice terminal handset to the
handset interface of existing
acoustic modems.
INSTALLATION INSTRUCTIONS
1.
2.
3.
4.
Align the 349A Adapter’s
transmitter (large retainer)
and receiver (small retainer)
ends in the appropriate cups
of the modem and lower the
adapter until fully seated.
Place the handset over the
adapter as shown in the illus-
tration.
Bend the large retainer out
of the way and insert the
handset transmitter into the
adapter cup until it is fully
seated.
Move the adapter’s small re-
tainer out of the way and
press the handset receiver
downward into the cup until
it is fully seated.
RECEIVER
END
VOICE TERMINAL HANDSET
TRANSMITTER END
SMALL
RETAINER
349A ADAPTER
(ACOUSTIC
CORD END
COUPLER
LARGE RETAINER
Equipment manufactured by AT&T Technologies in the U.S.A.