USB-COM232-PLUS4 FTDI, USB-COM232-PLUS4 Datasheet - Page 3

• Manufacturer Part Number: USB-COM232-PLUS4
• Description: Interface Modules & Development Tools USB HS to RS232 Conv Assembly 4 DB9 Ports
• Manufacturer: FTDI

Specifications of USB-COM232-PLUS4

• Interface Type: USB, RS-232
• Data Bus Width: Serial
• Operating Supply Voltage: 5 V
• Product: Interface Modules
• For Use With/related Products: FT4232H
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: USB-COM232-PLUS-4

Figure 1.2 USB-COM232-PLUS4 Block Diagram
1.3.1 Block description
USB MINI B Client Connector
This connector provides the interface for connection to a USB Host or Hub port. The maximum cable
length is 5 meters, according to the USB 2.0 specification.
FTDI FT4232H
The FTDI FT4232H provides the Hi-Speed USB-to-Serial conversion. Operating system device drivers are
required in order to work with the FT4232H to provide the quad Virtual COM Port serial interfaces.
RS232 Level Shifter
The RS232 level shifter converts the signals provided by the FT4232H into the voltage levels required by
RS232 devices.
DE-9P Connector (Male)
The DE-9P connector is configured in an industry standard (TIA/EIA-574) pin-out to provide connection to
RS232 peripherals through standard cables. See section 3.1.2
USB MINIB
Connector
Client
Copyright © 2010 Future Technology Devices International Limited
USB Serial Bridge
FTDI FT4232H
Level Shifter
Level Shifter
Level Shifter
Level Shifter
RS232
RS232
RS232
RS232
Document Reference No.: FT_000148
USB-COM232-PLUS4 Datasheet
Clearance No.: FTDI# 97
Connector D
Connector A
Connector B
Connector C
DE-9P
DE-9P
DE-9P
DE-9P
Version 1.2
2