Model 2084, 2085 & 2086
Interface Powered, RS-232 to RS-485 Interface Converter (with Handshaking)
Connect a DB-25 Equipped PC or Workstation to RS-485 Data Acquisition & Control Equipment
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  • 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
  • Model 2086 features optical isolation


The Model 2084 high speed RS-232 to RS-485 interface converter supports async RS-232 data rates to 115.2 kbps over 2-wires. Passing one control signal in each direction, the Model 2084 can handle up to 50 terminal drops in a multipoint polling environment. The Model 2084 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

The Model 2085 provides high speed RS-232 to RS-485 conversion over one or two unconditioned twisted pair. Otherwise, the Model 2085 has the same features and specifications as the Model 2084.

Model 2086 includes optical isolation along with the same set of features provided with the Model 2085. The Model 2086 requires an external power supply.


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

Model

Transmission Format: Asynchronous
Data Rates: 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: 32° to 122° F (0° to 50° C)
Size: 2.66" x 2.10" x 0.73" (6.8 x 5.3 x 1.9 cm)


2084F RS-232 TO RS-485 INTERFACE CONVERTER (DB25F; TERMINAL BLOCK); 2-WIRE
2084FRJ11 RS-232 TO RS-485 INTERFACE CONVERTER (DB25F; RJ11); 2-WIRE
2084FRJ45 RS-232 TO RS-485 INTERFACE CONVERTER (DB25F; RJ45); 2-WIRE
2084M RS-232 TO RS-485 INTERFACE CONVERTER (DB25M; TERMINAL BLOCK); 2-WIRE
2084MRJ11 RS-232 TO RS-485 INTERFACE CONVERTER (DB25M; RJ11); 2-WIRE
2084MRJ45 RS-232 TO RS-485 INTERFACE CONVERTER (DB25M; RJ45); 2-WIRE
2085F RS-232 TO RS-485 INTERF. CONV.
2085F-25F RS-485 CONVTR, DB25F - DB25F
2085F-25M RS-232 TO RS-485 INTERF. CONV.
2085FDR11 RS-232 TO RS-485 CONV W/D RJ11
2085FDR45 RS-232 TO RS-485 CONV W/D RJ45
2085FRJ11 RS-232 TO RS-485 CONV W/RJ11
2085FRJ45 RS-232 TO RS-485 CONV W/RJ45
2085M RS-232 TO RS-485 INTERF. CONV.
2085M-25F RS-232 TO RS-485 INTERF. CONV.
2085M-25M RS-232 TO RS-485 INTERF. CONV.
2085MDR11 RS-232 TO RS-485 CONV W/D RJ11
2085MRJ11 RS-232 TO RS-485 INTERF. CONV.
2085MRJ45 RS-232 TO RS-485 INTERF. CONV.
2085RC11 DUAL 2085 RCK CARD W/RJ11 R CD
2085RC45 DUAL 2085 RCK CARD W/RJ45 R CD
2086F RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25F; TERMINAL BLOCK); 120VAC
2086F/230 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25F; TERMINAL BLOCK); 230VAC
2086FRJ11 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25F; RJ11); 120VAC
2086FRJ11/230 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25F; RJ11); 230VAC
2086FRJ45 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25F; RJ45); 120VAC
2086FRJ45/230 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25F; RJ45); 230VAC
2086M RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25M; TERMINAL BLOCK); 120VAC
2086M/230 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25M; TERMINAL BLOCK); 230VAC
2086MRJ11 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25M; RJ11); 120VAC
2086MRJ11/230 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25M; RJ11); 230VAC
2086MRJ45 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25M; RJ45); 120VAC
2086MRJ45/230 RS-232 TO RS-485 OPTICALLY ISOLATED INTERFACE CONVERTER (DB25M; RJ45); 120VAC



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