Model 31 Specifications  
 
 

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: 0oC to 50oC, 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

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