This page is for RTTY converters, keyers, patch panels, etc.
Go to Navy Teletype Page for actual TTY equipment
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AN/SGC-1, AN/SGC-1A (TT-40/SGC-1, TT-40A/SGC-1A)
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![]() AN/SGC-1 |
Early AFSK Terminal Unit (demod and keyer) primarily used shipboard for UHF RTTY links. | 200 cps shift (700cps mark, 500 cps space). Can be readily converted to other shift freq. |
Manuals are NAVSHIPS 91503 (SGC-1) and NAVSHIPS 91152 (SGC-1A) See CQ magazine April 1970, page 82, for info (avail at http://hamcall.net/cq) manuf - Remler |
| CV-2460/SGC | ![]() |
AFSK Terminal Unit (demod and keyer) |
manuf - Stelma | |
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| CONNECTOR | TERMINAL STRIP |
SIGNAL | COLOR | CONNECTOR | TERMINAL STRIP |
SIGNAL | COLOR | |
| J108 (7 pin) | J107 (8 pin) | |||||||
| A | 5 | AF IN | BLK | A | 7 | TTY | BLK | |
| B | 6 | AF IN | YEL | B | 8 | TTY | YEL | |
| C | 3 | AF OUT | BLK | C | 2 | 115vac | RED | |
| D | 4 | AF OUT | RED | D | 1 | 115vac | GRN | |
| E | 9 | ??? | YEL | E | 12 | ground | RED (control?) | |
| F | 10 | ??? | BLK | F | 11 | control? | BLK | |
| G | - | - | - | G | case | ground | WH/BLK | |
| H | - | - | - |
Includes brief descriptions.
See CQ magazine September 1972, page 83 (avail at http://hamcall.net/cq)
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http://mailman.qth.net/mailman/listinfo/greenkeys
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