Published 28 Jan 2021

Nec DTR-16D-1A

\\ {{ :electronic:equipment:phone:p1296821a.jpg?200|DTR-16D-1A overview}} ===== Overview ===== Nec Dterm Series i PABX phone. ===== Hardware Description ===== Supports 16 incoming lines. Can be powered off 27V DC through socket underneath, centre terminal negative. It uses a 24 character by 3 line LCD display. When powered up but not connected to a PABX nothing lights up, but it has a built in self test mode - hold down the ''*****'' and ''**#**'' keys for ten seconds while applying power, then release the keys after about 10 seconds. ====Components==== * [[:electronic:lcd:ng87243|LCD]], 3 rows of 24 alphanumeric characters. * Nec D78F0078GK (µPD780078 8-Bit Single-Chip Microcontroller) (Nec 780076GK in DTR-8D) * Nec NG-150024, CL-032A ===== Examples ===== {{:electronic:equipment:phone:p1296811a.jpg?800|DTR-16D-1A top}}\\ {{:electronic:equipment:phone:p1296812a.jpg?600|DTR-16D-1A}} {{:electronic:equipment:phone:p1296815a.jpg?600|DTR-16D-1A}}\\ {{:electronic:equipment:phone:p1296817a.jpg?300|DTR-16D-1A}} {{:electronic:equipment:phone:p1296818.jpg?200|DTR-16D-1A sockets}} {{:electronic:equipment:phone:p1296819a.jpg?200|DTR-16D-1A sockets}} {{:electronic:equipment:phone:p1296820a.jpg?200|DTR-16D-1A sockets}} ---- ===== Tear down ===== {{:electronic:equipment:phone:p1296826a.jpg?600|DTR-16D-1A}}\\ {{:electronic:equipment:phone:p1296828a.jpg?800|DTR-16D-1A}} {{:electronic:equipment:phone:p1296829a.jpg?600|DTR-16D-1A}}\\ {{:electronic:equipment:phone:p1296825a.jpg?800|DTR-16D-1A interior}}\\ {{:electronic:equipment:phone:p1296878a.jpg?600|DTR-16D-1A interior}}\\ {{:electronic:equipment:phone:p1296885a.jpg?800|DTR-16D-1A interior}} {{:electronic:equipment:phone:p1296868a.jpg?600|DTR-16D-1A PCB front}} {{:electronic:equipment:phone:p1296877a.jpg?600|DTR-16D-1A PCB back}} {{:electronic:equipment:phone:p1296887a.jpg?600|DTR-16D-1A PCB front}} {{:electronic:equipment:phone:p1296886a.jpg?600|DTR-16D-1A PCB back}} ====== References and Additional Resources ======

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