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electronic:equipment:phone:dtr16d [2021/01/28 07:09] – created tonyelectronic:equipment:phone:dtr16d [2026/09/26 09:29] (current) – tony
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 <html><p style="text-align:center;"><b><font size="6">Nec DTR-16D-1A</font></b></p></html> <html><p style="text-align:center;"><b><font size="6">Nec DTR-16D-1A</font></b></p></html>
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 +{{  :electronic:equipment:phone:p1296821a.jpg?200|DTR-16D-1A overview}}
 ===== Overview ===== ===== Overview =====
 Nec Dterm Series i PABX phone. Nec Dterm Series i PABX phone.
  
 ===== Hardware description ===== ===== 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.+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 ====== ====== References and Additional Resources ======

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electronic/equipment/phone/dtr16d.1611817790.txt.gz · Last modified: 2021/01/28 07:09 by tony
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