Interface: RS-232: Conforms to RS-232 and CCITT V.24. Pins 2 and 3, Transmit and Receive data, switch selectable. Pins 4, RTS, tied to Pin 5, CTS. Pins 6 (DSR), 8 (DCD) and Pin 20, (DTR) are connected together
RS-485: Conforms to RS-485
RS-422: Conforms to RS-422
Connectors: RS-232: DB25 male
RS-485/RS-422: 5 position terminal block
Indicators: 2 LED's TD and RD
Switches: DTE/DCE switch selectable for reversing TD and RD; 5 position dip switch: set RS-485 2 or 4 wire, RS-422 and termination
Data Rate: 0 to 64 KBPS
MTBF: 596,000 Hours (68 Years)
Power: 115VAC @ 60Hz (220VAC/50Hz optional)
Size: 2"W (51mm) x 3.5"L (89mm) x 0.875"H (22mm)
Environment: 0° to 50° C, 0% to 95% RH