| OS Supported | |
| 32-bit | Windows XP / Vista / 7 / 8 / Server 2008 |
| 64-bit | Windows 7 / 8 / Server 2008 R2 / Server 2012 |
| Compatible S/W | GV-System version 8.2 or above |
| Input | |
| Number of Inputs | 8 |
| Input Dry Contact | Yes |
| Input Signal Wet Contact | 9-30V AC/DC |
| Output | |
| Relay Output | 8 |
| Relay Status | Normal open |
| Communication | |
| USB Connection Relay Capacitance | 30 VDC, 3A |
| RS-232 Connection Relay Capacitance | 125 / 250 VAC, 3A / 30 VDC, 3A |
| Ethernet | RJ-45, 10/100 Mbps (Optional) |
| DC IN | DC 12V, 1A |
| Address | 0-9, A-F |
| Terminal Resistance | 120 ohm |
| Environmental Conditions | |
| Temperature | 0 ~ 50 °C / 32 ~ 122 °F |
| Humidity | 5% ~ 95% (non-condensing) |
| Dimensions (W x H x D) | 135 x 28 x 145 (mm) / 5.31 x 1.10 x 5.70 (in) |
The GV-IO Box 8 has eight inputs and eight relay outputs. It features a USB port for connection to a computer and supports both DC and AC output voltages.