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electronic:equipment:phone:dtr16d [2021/02/09 21:53] – tonyelectronic:equipment:phone:dtr16d [2026/09/26 09:29] (current) – tony
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 ===== Hardware description ===== ===== Hardware description =====
-====Components==== +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.
-  * [[:electronic:lcd:ng87243|LCD]], 24 characters by 3 rows.+
  
 +==== 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
  
-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. 
  
-=====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}}+ 
 +===== 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:p1296829a.jpg?600|DTR-16D-1A}}\\ 
-{{:electronic:equipment:phone:p1296825a.jpg?600|DTR-16D-1A}} +{{:electronic:equipment:phone:p1296825a.jpg?800|DTR-16D-1A interior}}\\ 
-{{:electronic:equipment:phone:p1296878a.jpg?600|DTR-16D-1A}} +{{:electronic:equipment:phone:p1296878a.jpg?600|DTR-16D-1A interior}}\\ 
-{{:electronic:equipment:phone:p1296885a.jpg?600|DTR-16D-1A}}+{{:electronic:equipment:phone:p1296885a.jpg?800|DTR-16D-1A interior}}
  
-{{:electronic:equipment:phone:p1296868a.jpg?600|DTR-16D-1A circuit front}} +{{:electronic:equipment:phone:p1296868a.jpg?600|DTR-16D-1A PCB front}} 
-{{:electronic:equipment:phone:p1296877a.jpg?600|DTR-16D-1A circuit back}}+{{:electronic:equipment:phone:p1296877a.jpg?600|DTR-16D-1A PCB back}}
  
-{{:electronic:equipment:phone:p1296887a.jpg?600|DTR-16D-1A circuit front}} +{{:electronic:equipment:phone:p1296887a.jpg?600|DTR-16D-1A PCB front}} 
-{{:electronic:equipment:phone:p1296886a.jpg?600|DTR-16D-1A circuit back}}+{{: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.1612907599.txt.gz · Last modified: 2021/02/09 21:53 by tony
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