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APPENDIX A

SPECIFICATIONS

Transmission Format: Asynchronous

Data Rate: Up to 115,200 bps

Transmit Line: 2, 4 wire unconditioned twisted pair

Transmit Mode:  Full or half duplex

Transmit Level: 0 dBm

Range: Up to 9 miles

Control Signals: In DCE mode, DSR turns “ON” immediately after the

terminal raises DTR; DCD turns “ON” after recogniz
ing the receive signal from the line; CTS turns on 
after the terminal raises RTS

Carrier: The carrier is switch selected either continuous operation or 

switched operation, controlled by RTS

Surge Protection:  600W power dissipation at 1 mS and response 

time less than 1.0 pS

Power: No external power required, uses ultra low power from EIA 

data and control signals

Size: 2.66” x 2.10” x 0.73”

15

APPENDIX B

RS-232 PIN CONFIGURATIONS

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

To Model 1004

3- (RD) Receive Data

From Model 1004

4- (RTS) Request to Send

To Model 1004

5- (CTS) Clear to Send

From Model 1004

6- (DSR) Data Set Ready

From Model 1004 

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

From Model 1004

To Model 1004

Data Term. Ready (DTR) - 20

DIRECTION

“DCE” SETTING

DIRECTION

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

From Model 1004

3- (RD) Receive Data

To Model 1004

4- (RTS) Request to Send

From Model 1004

5- (CTS) Clear to Send

To Model 1004

6- (DSR) Data Set Ready

To Model 1004

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

To Model 1004

From  Model 1004 Data Term. Ready (DTR) - 20

DIRECTION

“DTE” SETTING

DIRECTION

16

Summary of Contents for 1004

Page 1: ...USER MANUAL SALES OFFICE 301 975 1000 TECHNICAL SUPPORT 301 975 1007 Part 07M1004 C Doc 047011UC Revised 8 10 95 MODEL 1004 and 1004S High Speed Multipoint Short Range Modem...

Page 2: ...be returned freight prepaid and insured to Patton Electronics All returns must have a Return Materials Authorization number on the outside of the shipping container This number may be obtained from Pa...

Page 3: ...t ting causes the Model 1004 to behave like Data Communications Equipment and transmit data on pin 3 3 DCE DTE DCE DTE Switch 2 Wire 4 Wire Switch Surge Suppressors 1004S only Terminal Block Control S...

Page 4: ...RTS CTS Delay 0mS 8mS SW1 2 Echo Enable Echo Off Echo On SW1 3 Carrier Control Constantly On Controlled by RTS SW1 4 Impedance High 120K Ohm Low 120 Ohm SW2 2 wire 4 wire 2 wire 4 wire SW 1 4 Impedanc...

Page 5: ...quires you to connect one or two pairs of bare wires to the Model 1004 you will need to open the case to access the terminal blocks The following instructions will tell you how to open the case connec...

Page 6: ...act our technical support We have strain relief assemblies to accommodate most cable diameters RCV G XMT RCV G XMT 9 10 Insert the strain relief assembly and wire into the slot in the bottom half of t...

Page 7: ...ll vary based upon the number of drops data rate wire gauge etc Call Technical Support for specific distance estimates 12 4 1 2 TWISTED PAIR CONNECTION USING RJ 11 OR RJ 45 The RJ 11 and RJ 45 connect...

Page 8: ...Figure 5 Daisy chain wiring for Model 1004 host and slaves With the dual modular units you won t need to build cumbersome Y cables for your daisy chain application Simply use a crossover cable to go...

Page 9: ...r No external power required uses ultra low power from EIA data and control signals Size 2 66 x 2 10 x 0 73 15 APPENDIX B RS 232 PIN CONFIGURATIONS 1 FG Frame Ground 2 TD Transmit Data To Model 1004 3...

Page 10: ...APPENDIX C BLOCK DIAGRAM 17...

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