Interface: RS-232, lines supported included 1, 2, 3, 4, 5, 6, 7, 8 & 20
Connectors: Input ports, 3 DB25F (Female). Output port, DB25M (Male)
Size: 2"W (51 mm) x 4"L (102 mm) x 1"H (25.4 mm)
Environment: 0^oC to 50^oC, 0% to 95% RH
Power Required: None
Controls: DTE/DCE selector switch for each port, both input and output
Indicators: Each port has a LED to simplify the setting of the DTE/DCE switch