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| A 500 series telephone is sitting atop the Commercial Telephone Adapter HYX-60/TSEC. On the front of the unit, the LED is labelled "Cipher Rec Ind". (Photo courtesy Kenneth Mitchell, Museum of Cypher Equipment) |
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| Rear view (E-bay photo) |
A 500 series telephone is sitting atop the Commercial Telephone Adapter HYX-60/TSEC. On the front of the unit, the LED is labelled "Cipher Rec Ind". (Photo courtesy Kenneth Mitchell, Museum of Cypher Equipment)
Rear view (E-bay photo)
Attached to the end of the black power cord in the photo is a power supply which provides a output of 20V AC. It is a "wall wart" type, and has a sliding switch to select the incoming voltage, using one of three positions. These are marked 110, 110, and 220. The unit cam operate on a line voltage of 110 or 220 VAC. An additional 110Vposition is provided in order that the HYX-60 can operate on a backup AC power source in case the primary source has a failure.Can anyone provide any further information on this device?
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