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DT-55 Telephone 

Remote Control

 

 

 

 

 

 
 

Operating Manual

 

 
 
 
 

 

 

 

Summary of Contents for DT-55

Page 1: ...DT 55 Telephone Remote Control Operating Manual ...

Page 2: ... supplied Relay Contacts Single Pole Double Throw Relay Contact Ratings 1A 30 VDC Max Input Logic Voltage Range 0 to 12 V max 1 6 mA in 12V Max Input Voltage to Sense Logic Low 1V Input Current using external switch 50 µA Ringer Equivalence 0 2 Access Codes 1023 four digit codes Access Code Tries Before Hang Up 3 FCC Registration Number 3H1USA 20367 OT N ...

Page 3: ...s or special tools required Switch selectable four digit access code can be disabled if desired Easily distinguishable tones indicate the high low or open closed status of the ten external inputs Each input is individually polled by the user Status lights indicate ringing signal power DTMF tone detection line connected status and access granted BASIC OPERATION The DT 55 allows the remote control o...

Page 4: ...n no access code will be needed to use the DT 55 There are 1023 usable 4 digit codes with the highest number being 7771 Not that none of the digits can be 8 or 9 INSTALLING THE DT55 To install the DT 55 connect it to the phone lie with a standard 6 position modular cable as you would any extension phone Connect the wall power adapter The red POWER LED should light The DT 55 may be mounted to a wal...

Page 5: ...ar a beeboop indicating that the DT 55 has answered the line If an access code is required the code should be entered at this point If a correct access code is not entered after three tries or if more than 48 seconds elapses before a correct code is entered the DT 55 will hang up When access has been granted by the DT 55 the green ACCESS LED will light and the caller will hear the a rising sequenc...

Page 6: ...tus of any input has changed since the DT 55 was called last press the key twice followed by the channel number If the channel has changed at least once the tone beepbeep will be heard If not the tone booop will be heard POWER FAIL STATUS When the DT 55 answers a call and before access is granted a rapid series of alternating high and low pitched tones will be heard if the power has failed since t...

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