Patton electronics 1012B User Manual Download

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APPENDIX C

MODEL 1012B BLOCK DIAGRAM

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Notes

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Summary of Contents for 1012B

Page 1: ...DEL 1012B Asynchronous Carrier Controlled Short Range Modem SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M1012B Doc 040061U Rev B Revised 1 22 08 An ISO 9001 Cer...

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Page 3: ...ve devices Typically the modem at the master site is set for constant carrier whereas the modems at the slave sites must be configured for controlled carrier Automatic equalization and gain control en...

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Page 5: ...set switch SW1 to DCE see Figure 3 This causes the Model 1012B to behave like data communications equipment 4 If the device connected to the Model 1012B is a modem or multiplexer or is wired like one...

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Page 7: ...must be unconditioned dry metallic wire unloaded between AWG 19 and 26 the higher number gauges may limit distance somewhat Standard dial up telephone circuits or leased circuits that run through sign...

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Page 9: ...T 5 RCV 5 XMT 6 GND 6 RCV 7 GND 8 N C Connection to ground is optional Crossover Cable Construction Connection of a 4 wire twisted pair circuit between two or more Model 1012Bs requires a crossover ca...

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Page 11: ...lave see Section 4 1 2 for crossover cable wiring instructions and straight through cables between the slaves 4 3 CONNECTION TO THE RS 232 INTERFACE Once you have properly configured the Model 1012B a...

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Page 13: ...odel 1012B 9 External Power To Model 1012B To Model 1012B Data Term Ready DTR 20 DIRECTION DCE STANDARD SETTING DIRECTION 1 FG Frame Ground 2 TD Transmit Data From Model 1012B 3 RD Receive Data To Mod...

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Page 15: ...__________________ ________________________________________________________ ________________________________________________________ ________________________________________________________ __________...

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