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 PANEL:
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
