2 Channel USB RS232C Converter
Each channel is independently isolated.
Overview
 USB-302 is a 2 channel USB to RS232C converter that included circuitry with 2500VDC isolation.
Those 2 channels are isolated independently from USB side.

Features
- Supports RS232
- Each 2 channels are independent isolation
- Supports custom baud rate
- No external power supply is required
 USB-302 is powered through a USB port (Bus-powered)
- Housing material: Plastic
- DIN rail, magnet, and screw mountable (Attachment is required)
- Includes a USB cable (1.8m)
- Non-use of 10 Restricted substances of RoHS directive
- MADE IN JAPAN
|  | Reference dataUSB Compliance testEye pattern of upstream tests  | 
Specification
| Item | Description | Remarks | 
|---|---|---|
| Model | USB-302 | |
| Power | DC 5V / Less than 300mA Supplied through a USB port | Bus-powered | 
| RS232C Port | 2 Port | |
| Input/Output Interface | RS232C | Use 4 signals (TXD, RXD, RTS, CTS) ESD protection  | 
| HOST interface | USB 2.0 Compliant (High Speed is supported) | USB 1.1 compatible ESD protection  | 
| Isolation Method | Bus isolation | Independent Isolation | 
| Isolation Protection | 2500VDC | Designed value | 
| Communication Method | Asynchronous Serial Communication | |
| LSI | FT2232H | FTDI | 
| Baud Rate | 300 bps to 1 Mbps | Support custom baud rate | 
| Data Bits | 7 or 8 bit | |
| Stop Bits | 1 or 2 bit | |
| Parity | Even, Odd, No-parity | |
| FIFO RX Buffer Size | 4096 Bytes | |
| FIFO TX Buffer Size | 4096 Bytes | |
| Supports OS | Windows 10/8.1/8/7/Vista/XP | |
| Operating Ambient Temp. (*1) | -20 to 60 °C (-4 to 140 °F) | No condensation permitted | 
| Operating Ambient Humi. | 30 to 85 %RH | No condensation permitted | 
| Noise Tolerance | Not defined | |
| Standard | Not defined | |
| Weight | Approx. 100 [g] | Only main body | 
| Dimensions | 69 x 82.5 x 30 [mm] (2.717" x 3.248" x 1.181") | Without projections | 
* Power saving function (suspend, standby, sleep and others) is not supported
(*1) The product is tested under 5 degrees wider range than designed specification.
RS232C Connector pinouts
 
| Pin No | Name | Direction | Notes | 
|---|---|---|---|
| 1 | - | ||
| 2 | RXD | IN | |
| 3 | TXD | OUT | |
| 4 | - | ||
| 5 | GND | - | Signal GND | 
| 6 | - | ||
| 7 | RTS | OUT | |
| 8 | CTS | IN | |
| 9 | (5V) | - | * reserved for 5V output | 
| CASE | FG | - | Connect to GND | 
Package Contents
- USB-302
- USB cable 1.8m
- Driver & Application CD
Documentation
Price and Optional Accessories
| Description | MODEL | Image | List Price (JPY) | Stock Status | 
|---|---|---|---|---|
| 2 Channel USB to RS232 Converter | USB-302 |  | ||
| Attachment with clamping screw | PEN-003 |  | ||
| Attachment for 35mm DIN rail | PEN-003-DIN |  | ||
| Attachment with neodymium magnet | PEN-003-MG |  | ||
| D-sub 9pin - TB Adapter with FG Terminal | ACC-045 |  | 
 
                            









 
 
 
 User's manual, Outline Drawing, etc
User's manual, Outline Drawing, etc

