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APPENDIX B

PATTON MODEL 2085 RS-232 PIN CONFIGURATIONS

Copyright ©

Patton Electronics Company

1- (FG) Frame Ground
2- (TD) Transmit Data

To Model 2085

3- (RD) Receive Data

From Model 2085

4- (RTS) Request to Send

To Model 2085

5- (CTS) Clear to Send

From Model 2085

6- (DSR) Data Set Ready

From Model 2085 

7- (SG) Signal Ground
8- (DCD) Data Carrier Detect

From Model 2085

To Model 2085

Data Term. Ready (DTR) - 20

DIRECTION

“DCE” SETTING

DIRECTION

1- (FG) Frame Ground
2- (TD) Transmit Data

From Model 2085

3- (RD) Receive Data

To Model 2085

4- (RTS) Request to Send

From Model 2085

5- (CTS) Clear to Send

To Model 2085

6- (DSR) Data Set Ready

To Model 2085

7- (SG) Signal Ground
8- (DCD) Data Carrier Detect

To Model 2085

From  Model 2085 Data Term. Ready (DTR) - 20

DIRECTION

“DTE” SETTING

DIRECTION

17

Summary of Contents for 2085

Page 1: ...CE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 http www patton com Part 07M2085 D Doc 047033U Rev E Revised 1 22 08 MODEL 2085 High Speed RS 232 to RS 485 Interface Converter C E R T I F I E D An ISO...

Page 2: ...d used properly that is in strict accordance with the manufacturer s instructions may cause interference to radio and television reception The Model 2085 has been tested and found to comply with the l...

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Page 4: ...relief RJ 11 or RJ 45 Silicon Avalanche Diode surge protection 2 2 DESCRIPTION The Model 2085 High Speed RS 232 to RS 485 Interface Converter provides exceptional versatility in a compact package Requ...

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Page 6: ...he Model 2085 to behave like Data Communications Equipment and transmit data on pin 3 3 2 DIP SWITCH CONFIGURATION The eight switches on switch set S1 see Figure 3 above configure the Model 2085 for e...

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Page 8: ...etting On Controlled by RTS Off Constantly On S1 6 Receive Impedance The setting for switch S1 6 selects the impedance of the input receiver You may select either a low impedance of 120 Ohms or a high...

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Page 10: ...available with several different physical interfaces on the RS 485 side DB 25 following the RS 520 standard RJ 11 jack RJ 45 jack and terminal blocks with strain relief 4 1 1 4 WIRE CONNECTION USING T...

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Page 12: ...n Section 3 2 2 Strip the outer insulation from the twisted pairs about one inch from the end 3 Strip back the insulation on each of the 2 twisted pair wires about 25 4 Connect one pair of wires to XM...

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Page 14: ...ptive screw through a saddle washer and then insert the captive screw with the washer on it through the hole in the DB 25 end of the case Snap that side of the case closed Repeat the process for the o...

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Page 16: ...e DB 25 port of the RS 232 device Remember to insert and tighten the two captive connector screws Note If you must use a cable to connect the Model 2085 to the RS 232 device make sure it is a straight...

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Page 18: ...From Model 2085 7 SG Signal Ground 8 DCD Data Carrier Detect From Model 2085 To Model 2085 Data Term Ready DTR 20 DIRECTION DCE SETTING DIRECTION 1 FG Frame Ground 2 TD Transmit Data From Model 2085 3...

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