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electronic:equipment:phone:dtr16d [2022/09/06 22:06] – [Components] tonyelectronic:equipment:phone:dtr16d [2026/09/26 09:29] (current) – tony
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 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 after about 10 seconds. 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====+==== Components ====
   * [[:electronic:lcd:ng87243|LCD]], 3 rows of 24 alphanumeric characters.   * [[:electronic:lcd:ng87243|LCD]], 3 rows of 24 alphanumeric characters.
   * Nec D78F0078GK (µPD780078 8-Bit Single-Chip Microcontroller)  (Nec 780076GK in DTR-8D)   * Nec D78F0078GK (µPD780078 8-Bit Single-Chip Microcontroller)  (Nec 780076GK in DTR-8D)
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-=====Teardown=====+===== Examples =====
  
-{{:electronic:equipment:phone:p1296811a.jpg?800|DTR-16D-1A top}}+{{:electronic:equipment:phone:p1296811a.jpg?800|DTR-16D-1A top}}\\
 {{:electronic:equipment:phone:p1296812a.jpg?600|DTR-16D-1A}} {{:electronic:equipment:phone:p1296812a.jpg?600|DTR-16D-1A}}
 {{:electronic:equipment:phone:p1296815a.jpg?600|DTR-16D-1A}}\\ {{:electronic:equipment:phone:p1296815a.jpg?600|DTR-16D-1A}}\\
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 {{:electronic:equipment:phone:p1296820a.jpg?200|DTR-16D-1A sockets}} {{:electronic:equipment:phone:p1296820a.jpg?200|DTR-16D-1A sockets}}
  
-{{:electronic:equipment:phone:p1296826a.jpg?600|DTR-16D-1A}} +----
-{{:electronic:equipment:phone:p1296828a.jpg?600|DTR-16D-1A}}+
  
-{{:electronic:equipment:phone:p1296829a.jpg?600|DTR-16D-1A}} +===== Tear down =====
-{{:electronic:equipment:phone:p1296825a.jpg?600|DTR-16D-1A interior}} +
-{{:electronic:equipment:phone:p1296878a.jpg?600|DTR-16D-1A interior}} +
-{{:electronic:equipment:phone:p1296885a.jpg?600|DTR-16D-1A interior}}+
  
-{{:electronic:equipment:phone:p1296868a.jpg?600|DTR-16D-1A circuit front}} +{{:electronic:equipment:phone:p1296826a.jpg?600|DTR-16D-1A}}\\ 
-{{:electronic:equipment:phone:p1296877a.jpg?600|DTR-16D-1A circuit back}}+{{:electronic:equipment:phone:p1296828a.jpg?800|DTR-16D-1A}}
  
-{{:electronic:equipment:phone:p1296887a.jpg?600|DTR-16D-1A circuit front}} +{{:electronic:equipment:phone:p1296829a.jpg?600|DTR-16D-1A}}\\ 
-{{:electronic:equipment:phone:p1296886a.jpg?600|DTR-16D-1A circuit back}}+{{: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}}
  
-===== References and Additional Resources =====+{{: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 ======
  
 <html><small><p>If any referenced page no longer exists, try looking for its URL on <a href="http://archive.org">http://archive.org</a>.</p></small></html> <html><small><p>If any referenced page no longer exists, try looking for its URL on <a href="http://archive.org">http://archive.org</a>.</p></small></html>

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electronic/equipment/phone/dtr16d.1662502005.txt.gz · Last modified: 2022/09/06 22:06 by tony
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