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| electronic:equipment:phone:dtr16d [2022/09/11 21:30] – tony | electronic: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. |
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| ===== 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. |
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| ====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) |
| {{:electronic:equipment:phone:p1296885a.jpg?800|DTR-16D-1A interior}} | {{:electronic:equipment:phone:p1296885a.jpg?800|DTR-16D-1A interior}} |
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| {{: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}} |
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| {{: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}} |
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| ====== References and Additional Resources ====== | ====== References and Additional Resources ====== |
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