Serial Ports: 4 x RS232
Connectors: 4 x DB9 male
Max Speed: Up to 500 kbps
Signals: TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
USB Interface: USB 2.0
Power Source: Bus powered
External Power: Not required
Drivers: Windows 2000 – Windows 8
Drivers: Windows Server 2000 – 2008 R2 (x86 & x64)
Drivers: Linux (Kernel 2.6 built-in, 2.4 available)