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Summary of Contents for Vega 223C Series
- Page 1 Instruction Manual 223C Series Tone-Remote Adapters 098-0347 Rev. B...
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Page 2: Table Of Contents
224B, and so on, in a chain. The 223C Se- Operation ries PC boards and adapters are available in the fol- lowing models: The 223C Series adapters are interconnected to the distant remote control console(s) by any voice-grade MODEL DESCRIPTION transmission medium such as a microwave link, a leased telephone line, or a twisted-pair 600-ohm line. -
Page 3: Operation
TB1-17 and positive to TB1-18. Vega will not replace units under warranty that have Connect the two-wire leased line to TB1-5 and obvious high-voltage damage such as vaporized PC- TB1-6. -
Page 4: Theory Of Operation
223C Series Important: All test points have DC bias on them. 2175-Hz Decoder Circuits Use the “output” AC terminals and scales on your me- The tone sequence generated at the remote-control ter, which places a DC blocking capacitor in series with console upon PTT switch operation typically is 2175 Hz the meter. - Page 5 Tone-Remote Station Adapters If a function command only was sent (no PTT tone at U6B-4 resets the monitor timer at U2B-13 through after the function tone), no low appears at TP1 during R47 and U6D-12,11. the 62-ms timing period of U8B, and the decode logic In the latched mode of operation, JP1 is in the B returns to the initial state awaiting the next command position, and, when U2B is triggered, U2B-7 goes low,...
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Page 6: Warranty And Claims
(at our option) without charge viously set latch. On the trailing edge of the F1 detect during the three-year period, if delivered to the Vega pulse, the reset pulse to the F1 latch and all other con- factory. - Page 7 Tone-Remote Station Adapters Claims 134-2837 RES RN55D 15.0K 1% 1/4W 134-2852 RES RN55D 16.2K 1% 1/4W No liability will be accepted for damages directly or 134-2874 RES RN55D 182.K 1% 1/4W indirectly arising from the use of our materials or from 134-2877 RES RN55D 20.0K 1% 1/4W any other causes.
- Page 8 RES RN55D 16.9K 1% 1/4W 134-2946 RES RN55D 953. 1% 1/4W 134-2985 RES RN55D 64.9K 1% 1/4W 8601 East Cornhusker Highway, Lincol, Nebraska, 68507 Phone: (402) 465-7026 / (800) 752-7560 Fax: (402) 467-3279 E-Mail: vega_signal@earthlink.net, Web: www.vega-signaling.com Printed in USA © November1999 Vega...
- Page 9 0710538c.sch-1 - Mon Nov 08 15:35:30 1999...
- Page 10 0710560b.sch-1 - Mon Nov 08 15:30:21 1999...
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