3. Connect the operator's telephone to the
TDD Detector.
Plug the phone wire from the operator's
telephone into the "TELEPHONE" jack on the
back panel of the TDD Detector.
4. Connect an unused pair of off-hook
switch contacts from the operator's
telephone to the 3.5mm "OFF-HOOK" jack
on the back panel of your TDD Detector.
The switch contacts (N.O. contacts) should be
closed when the operator is off-hook (on the
line).
5. Connect the AC adapter.
Plug the AC adapter wire into the "POWER" jack
on the back panel of your TDD Detector.
Plug the AC adapter into an electrical outlet.
6. Press the "RESET" button to initialize the
TDD Detector.
7. Connect an external speaker (optional).
Plug the speaker wire into the RCA phono jack
labeled "SPEAKER" on the back panel of your
TDD Detector.
8. Go on to page 9 to test your installation.
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