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参数资料
| 型号： | US232R-500-BULK |
| 厂商： | FTDI, Future Technology Devices International Ltd |
| 文件页数： | 17/29页 |
| 文件大小： | 0K |
| 描述： | CABLE USB RS232 PREMIUM 5M DB9 |
| 标准包装： | 500 |
| 系列： | US232R |
| 使用： | USB 至 RS232 |
| 转换源（适配器端）： | USB - A，插头 |
| 转换到（适配器端）： | D-Sub，9 公型引脚 |
| 长度： | 16.40'（5m） |
| 屏蔽： | 屏蔽 |
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Document Reference No.: FT_000151
DS_US232R-10(R-100/500) USB TO RS232 ADAPTER CABLE Data Sheet
Version 1.11
Clearance No.: # 99
Connections
3.3 External Connectors
3.3.1 USB
The USB-F-1001 is a downstream USB 2.0 D evice. A standard USB Series “A” connector is mounted
inside the USB-F-1001 to facilitate connection to an upstream USB Host or Hub.
Pin Number
1
2
3
4
Shield
Pin Type
Power
Bidirectional
Bidirectional
Ground
Case Ground
Description
VBUS – USB Power provided from upstream USB Host or Hub
D – = USB data signal, negative polarity
D+ = USB data signal, positive polarity
GND = USB signal ground
Drain = typically connected to the host PC case
Table 3.1 USB "A" Connector Pin-Out
3.3.2 RS232
The RS232 port is configured as Data Terminal Equipment (DTE), with a 9-contact D-Sub Pin connector.
Pin assignments are according to TIA/EIA-574 which formally defines the assignments for a COM port
found on many personal computers.
Pin Number
1
2
3
4
5
6
7
8
9
Shield
Pin Type
Input
Input
Output
Output
Ground
Input
Output
Input
Input / Power
Case Ground
Description
DCD = Data Carrier Detect
RXD = Receive Data
TXD = Transmit Data
DTR = Data Terminal Ready
GND = RS232 signal ground
DSR = Data Set Ready
RTS = Request To Send
CTS = Clear To Send
RI = Ring Indicator
Drain = typically connected to the host PC case
Table 3.2 DE-9P RS232 Pin-Out
Copyright ? 2011 Future Technology Devices International Limited
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