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            Input            | 
                      Input	4 Input Signal Dry-Contact Wet-Contact : 9~30V AC/DC | 
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            Output	           | 
                      Relay Output	4 Relay Status	Normal Open Relay Capacitance	USB Connection	30V DC, 3A RS-232 Connection	125 / 250V AC, 3A 30V DC, 3A | 
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            Interface           | 
                      RJ-11 to DB9 RJ-11 to USB 3-pin internal USB to internal USB | 
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          | 
            Mode Switch           | 
                      I/O Box Mode	Without GV-Video Capture Card NET/IO Card Mode With GV-Video Capture Card | 
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            Address           | 
                      1-4 | 
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            Communication           | 
                      RS-485, USB, RS-232 | 
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          | 
            Environmental Conditions           | 
                      0~50°C / 32~122°F , 5%~95% (non-condensing) | 
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          | 
            Dimensions(W x H)           | 
                      90 x 99 ( mm) / 3.90 x 3.54 (in) | 
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