Dt-55 telephone remote control operating manual.
Specifications: size: 9 .43" x 2.9" x 1.13" mounting: #6 mounting holes on wide and narrow flanges power requirements: +8 to 20 vdc @ 80 ma nominal 110vac wall adapter supplied relay contacts: single pole double throw relay contact ratings: 1a 30 vdc max input logic voltage range: 0 to +12 v max. (1...
Dt-55 telephone access remote control and status monitoring system the conex dt-55 answers a phone line, accepts a user access code, then allows remote control of ten spdt relays and remote monitoring of ten external switch contacts or logic levels. The dt- 55 is simple to understand, simple to inst...
Status is indicated by either a single low-pitched tone for “off”, or two short high-pitched tones for “on”. An error by the caller is indicated by a low-pitched pulsing tone. Setting the access code the access code is a four-digit number that the user must enter before the dt-55 will allow any furt...
If a dc power supply other than the supplied wall adapter is used, not that the input common and metal enclosure are connected to the negative side of the dc input jack. Any dc power source supplying a +8 to 20 vdc at 80 ma may be used. Setting the other switches the left two switches (switch positi...
Pressing the # key 3 times will turn all relays off. If you wish to terminate a relay command before it is completed, press the * key. Polling the relay status to find out, or "poll", the current state of any relay, push the * key three times followed by the relay number. The dt-55 will respond with...
