USB To 4-port Rs232 Converter

Introduction:
a quick and easy way to expand your pc's port count and to adapt serial devices to your usb pc. Edge port usb-to-serial converters are intelligent expansion units that connect to a pc, thin client or server via a usb port. Usb4232 provides four rs-232 serial ports, is compliant with usb 1.1 and 2.0 specifications, and meet the 480 mbps high-speed requirement of hi-speed usb 2.0. Using your computer’s usb ports to connect serial devices reduces the total cost of ownership, investment in hardware, and long term management and integration costs.
Features:
1. Usb to 4-port rs-232 converters
2. Single chip(asic) usb port to serial port communication
3. Support windows98me and windows2000xp,windows server 20032008, windows 7vista
4. Support powered from usb or 5vdc external power input
5. No irq, io address
6. Support usb2.0, baud rate can reach up to 12mbps
7. 15kv esd protection
specifications:
usb
compliance: usb1.12.0 compliant
usb signal: vcc, data+,data-,gnd
speed: 480mbps(high-speed), 12mbps(full-speed)
connector for external antenna: usb type b female
rs-232
standards: eia rs-232c
number of ports: 4
connectors: db9 male
rs-232 signal: txd, rxd, rts, cts, dtr, dsr, dcd, ri, gnd
working mode: asynchronous, point to point
baud rate: 300~115.2kbps
parity: none, even, odd, space, mark
data bits: 7, 8
stop bits: 1, 2
flow control: rtscts, xonxoff
interface protection: 1500w surge protection, 15kv esd protection
driver support
operating system: support windows98me and windows2000xp,windows server 20032008, windows 7vista
power
power input: 5vdc power input
consumption: 300ma
environment
operating temperature: -40°c to 85°c
storage temperature: -40°c to 85°c
humidity: 5% to 95%(no condensation)
appearance
dimensions: 160.0mm×94.0mm×28.0mm
material: iron(shell)
color: white
weight: 500g
warranty: 5 years
approvals: fcc, ce, rohs approvals