| Hardware | |
| I/O controller | 8x 16C550C or compatible, each with 16 bytes Tx/Rx FIFO |
| Connector type | 1x DB78 female, Cable 8 x DB9 male |
| Interface | |
| Bus interface | PCI version 2.1 (32bit) Universal PCI 3.3V / 5.0V |
| Serial interface | RS232, RS422 / 485 |
| No. of ports | 8 |
| Signals | RS232 Tx, Rx, CTS/RTS, DTR, DSR, DCD, GNDRS422 TxD+/-, RxD+/-, RTS+/-, CTS+/-, GNDRS485 Data+/-, GND |
| RS485 data control | ART (Automatic Receive Transmit control)By RTS alternatively |
| Built-in termination resistor | RS422 120 OhmRS485 120 Ohm, jumper enable / disable |
| Performance | |
| Speed | up to 921.6Kbps |
| Max. no. of ports | Unlimited |
| Configuration | |
| Parity | None, even, odd, space, mark |
| Data bits | 5, 6, 7, 8 |
| Stop bits | 1, 1.5, 2 |
| IRQ | Assigned by System |
| I/O address | Assigned by System |
| Available modes | |
| RS232 | full duplex |
| RS422 | full duplex |
| RS485 | 4 wire , full duplex |
| RS485 | 2 wire, half duplex, with echo |
| RS485 | 2 wire, half duplex, without echo |
| Power and Environment | |
| Power requirement | 430mA max.(+5V) |
| Operation temp. | 0°C - 55°C |
| Dimension | 135mm x 100mm |
| Operating Systems | |
| Windows 2000 up to 7 | VScom high performance serial driver, x86 and x64 Editions |
| Server 2000 to 2008 R2 | VScom high performance serial driver, x86 and x64 Editions |
| Windows NT 4.0 | VScom high performance serial drivercontrol panel applet |
| Windows 95, 98, SE, ME | VScom high performance serial driver |
| DOS | virtuell address driver and compatibility toolsreal DOS Com port emulation |
| OS/2 | Supported by COM16 driver in recent system releasesThird party serial driver SIO.SYS available |
| Linux | Kernel 2.6 and up: built-in supportPrevious kernel: VScom high performance real tty driver |
| div.UNIX | configuration instructions |