SERIALGEAR 4-Port DB-9 RS232 to USB Adapter with Isolation and Surge Protection

The 4 port DB-9 RS232 to USB adapter is an Isolation and surge protection 4 Serial RS-232 Ports to USB serial adapter that is designed for PC, thin client, or server to provide instant COM port expansion via the Universal Serial Bus (USB).

It provides the scalability to quickly adapt to new USB technologies. Multiple modules can be added to a single USB interface allowing you to add RS232 connectivity as needed. Complete product line offer many choices help you to expand and make your network grow with your requirements.

4-x port RS232 to USB Adapter w/ Isolation and Surge Protection, Each serial ports offers data transfer rate up to 920 Kbps for high system performance. Users are able to connect multiple serial devices through one USB port on their system. The converter also supports wake on line and power management functions. It has dual data buffers for upstream and downstream data flow.

• Provides 4 port RS232 Serial Ports over USB Port


• Provides 4DSUB-9 Connectors


• Baud Rate from 75 bps to 921.6Kbps


• 512-Byte Deep FIFOs for each Port


• Supports 5,6,7,8 Data Bits


• Odd, Even, Mark, Space, or None parity mode


• Supports 1, 1.5 and 2 Stop Bits


• Provides 2,500Vrms Optical Isolation


• Built-in Bi-direction Surge Protection Circuits


• Supports USB Bus Power


• DC Jack for Optional DC 5V Power Input


• Supports Win98, Me, XP, CE, Win2000, 2003, Vista and Vista 64-bit

With the USB Plug-and-Play feature, simply plug in, follow the instructions of Install Wizard and you are done. You don't have to deal with Card Slots, I/O address, IRQ jumpers, DMA and others when you are connecting the devices. The System will recognize the device and install the drivers automatically.