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Patton Electronics 2085
Interface Powered, RS-232 to RS-485 Interface Converter (with Handshaking)

Patton Part # Black Box Part # Description
2085F IC476A-F-R2  Async 232 <-> 485 Converter 
2085M IC476A-M-R2  Async 232 <-> 485 Converter 
2085F-25M IC478A-F-R2  Async 232 <-> 485 Converter 
2085M-25F IC477A-M-R2  Async 232 <-> 485 Converter 
2085F-25F IC477A-F-R2  Async 232 <-> 485 Converter 
2085M-25M IC478A-M-R2  Async 232 <-> 485 Converter 
   
Patton Electronics 2085
Interface Powered, RS-232 to RS-485 Interface Converter
Connect a DB-25 Equipped PC or Workstation to RS-485 Data Acquisition & Control Equipment
 
Model 2085
 
  Features & Benefits
  • Conforms to the EIA RS-485 Standard
  • Operates Asynchronously, Point-to-Point or Multipoint, over 2 or 4 Wires
  • Data Rates to 115,200 bps
  • Selectable RTS-CTS Delay
  • Selectable High-Low Impedance
  • Able to Operate with or without “Echo”
  • Carrier may be Continuous or “Controlled by RTS”
  • 50 drops in a multi-point environment
  • No AC Power or Batteries Required
  • Built-In Surge Protection - Standard
 
Overview  

The Model 2085 high speed RS-232 to RS-485 interface converter supports async RS-232 data rates to 115.2 kbps over one or two unconditioned twisted pair. Passing one control signal in each direction, the Model 2085 can handle up to 50 terminal drops in a multipoint polling environment. The Model 2085 has five configuration parameters, allowing the unit to be “fine tuned” to a variety of point-to-point or multipoint applications. In addition, Silicon Avalanche Diodes provide 600 watts per wire of protection against harmful data line transient surges.
 


 
Product Highlights


Rack Mountable Units, Too! These rack cards each contain two converters, so you can fit 32 converters in a 19” rack.

Model 2085RM

 

 
Specifications


Transmission Format: Asynchronous
Data Rate: Up to 115,200 bps
Range: Up to 9 miles (14.5km)
RS-232 Interface: DB-25, male or female (DCE/DTE switchable)
RS-485 Interface Options: DB-25, male or female; RJ-11 or RJ-45 jack; terminal block with strain relief
Control Signals: DSR turns “ON” immediately after the terminal raises DTR; DCD turns “ON” after recognizing the receive signal from the line; CTS turns “ON” after the terminal raises RTS.
RTS/CTS Delay: 0 msec or 8 msec
Carrier: The carrier is switch selected either continuous operation or controlled by RTS
Power: Draws operating power from RS-232 data and control signals; no AC power or batteries required.
Temperature: 32º to 122º F (0º to 50º C)
Size: 2.66” x 2.10” x 0.73” (6.8 x 5.3 x 1.9 cm)
 

Patton Products

     

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Sales Ext 17   Support Ext 25

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