Specifications

FRONT PANEL:
TTY SIGNAL Off when monitoring the phone
line. On when TTY characters
are detected. Blinking after voice
and TTY messages have been
sent.
RESET Sets TDD Detector to resume
monitoring the phone line.
SEND For "silent" TTY calls, sends TTY
(Baudot code) message over the
phone line.
POWER On when the TDD Detector has
power. Off when there is no
power.
BACK P
ANEL:
TELEPHONE RJ12C jack connection for
operator's telephone.
LINE RJ12C jack connection from CO
or call-director.
OFF-HOOK 3.5 mm jack for automatic reset
installation.
VOLUME Controls output volume for
external speaker.
SPEAKER Connect external speaker here.
(8 Ohms, 0.25 W maximum)
POWER Connects AC adapter to power
outlet. (12 VDC @ 300 mA)
16
Specifications for switches,
indicator lights, and
connectors