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Patton Electronics 2065RC & 2066RC
RS-232/V.35 to X.21 Converter Rack Cards

Patton Models 2065RC & 2066RC
RS-232/V.35 to X.21 Converter Rack Cards
Synchronous Converter Cards Match High Speed WAN Interfaces
Model 2065RC
  Features & Benefits
Model 2065RC:
  • Bi-directional RS-232 to X.21 data conversion
  • Sync data rates up to 384 kbps

Model 2066RC:

  • Bi-directional V.35 to X.21 data conversion
  • Sync data rates up to 2.048 Mbps
  • 16-Bit Elastic Buffers (Both Models)

The Model 2065RC and 2066RC interface converter rack cards allow synchronous X.21 DCE hardware to communicate with synchronous RS-232 or V.35 hardware, respectively (the RS-232/V.35 interface is DCE/DTE switchable). Both units fit in Patton’s rack chassis and ClusterBoxes™, and derive their timing from the X.21 DCE. The front card incorporates seven status LEDs, while the rear card presents two UD-26 connectors for hardware connection. Two Built-in 16-bit elastic buffers compensate for timing differences in data conversion.



Transmission Format: Synchronous
External Interface: Dual UD-26 high density connectors
Internal Interface: Connection to Model 1000R16P rack chassis via male card edge
Electrical Interface: X.21 - EIA RS-422/V.11 compatible; RS-232 - RS-232/V.28 compatible; V.35 data and clock signals: receivers - V.35 compliant, drivers - 0.55V differential signal; V.35 control signals - RS-232/V.28 compatible
Data Rates: Model 2065RC (RS-232), up to 384 kbps; Model 2066RC (V.35), up to 2.048 Mbps.
Clocking: RS-232/V.35 DCE or DTE receiving timing from an X.21 DCE device
DCE to DCE buffering: Dual 16-bit buffers for full duplex operation - set to 8 bits in case of underflow or overflow.
Controls: Switchable, custom control settings
Indicators: Dual LED indicators for TD, RD, TC, RC and XC; single green indicator for INDICATION and CONTROL; single red indicator for elastic buffer status.
Power Supply: Rack-mount power supply is switchable between 120V and 240V AC; chassis supplies 10V AC to the Model 2065/2066RC, typical consumption is 1.2 watts
Temperature: 0-50°C / 32-122°F
Humidity: 0-95%, non-condensing
Dimensions: 0.95”w x 3.1”h x 5.4” (2.4 x 7.9 x 13.7 cm)


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