USB to 4 Port RS232 DB9 9 Pin COM Serial Adapter Converter

Connects up to 4 RS-232 devices to your computer at the same time.

Stable and reliable chipset Moschip MCS7840.

Compatible with USB 2.0 specification.

RS-232 DB9 standard specification compliant.

Supports transmission rate up to 230-400bps.

One USB type B female and four RS232 DB9 pin male connectors available.

Power LED indicator available.

USB bus-powered and no need external power required for the adapter.

Ideal connections to Modem, PDA, GPS, Bar Code, Digitizer, Digital Camera, Label printer & ISDN terminal adapter, etc.

Support Windows 2000, 2003, 2008, XP, Vista, 7, CE 5.0/6.0, Linux Kernel 2.6.x/3.x & Mac OS X 10.4

1. Moschip7840 chipset (5pcs IC inside!)

2. No need external power!

3. supports Industrial PC!

4. four layer PCB design! 

Product Features Provides four RS-232 male DB9 ports for direct connection to serial devices.
Support USB 2.0 HI-Speed.
Supports various serial devices modems, PDAs, cellular phones, digital cameras, card readers, and more.
Easy Plug and Play Installation.
Supports serial tansmission rate up to 230-400bps.
LED Status:

On Power On
Off Power Off

No extenal power adapter required.
Microsoft Windows 2000, ce4.2, ce5.0
Apple MacOS X 10.x,
Microsoft Windows Server 2008 R2,
Microsoft Windows Vista (32/64 bits),
Microsoft Windows 7 (32/64 bits),
Microsoft Windows XP (32/64 bits),
Microsoft Windows Server 2008 (32/64-bits),
Microsoft Windows Server 2003 (32/64-bits).  Driver Installation For Windows 2000/ XP/ Server 2003

Changing COM Port Number

Some serial devices need a special COM port in order to work. If your serial device works properly, do not change this setting.
1. From the Device Manager window double click Ports( COM & LPT), then double click the High-Speed USB Serial Port or MosChip High-Speed USB Serial Port you want to change.
2. Click Features tab.
3. Click the down arrow that is next to the COM Port Number box, select a COM port that is no in use, then click OK to save the changes.

Package Contents


1 x USB 2.0 4-Port Serial Adapter
1 x Driver CD
1 x User-Manual