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)