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研华USB-4604B 是一款USB转4端口RS-232转换器，带浪涌保护，传输速度可达921.6 kbps，即插即用装置，无需外接电源，USB端口电源驱动，支持热交换功能
分类： USB 串口设备联网服务器, 串口设备联网服务器, 智能通讯 标签： USB-4604B
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Specifications
General
4 x DB9
Power Requirements
200 mA @ 5 V (Max.)
Special Communications
| | No. of Ports | 4 | Regulatory Approvals |
| | Port Connector | DB9 male | § EMC CE, FCC Part 15 Subpart B (Class A) |
| | Data Bits | 5, 6, 7, 8 | |
| | Stop Bits | 1, 2 | |
| | Parity | None, Odd, Even, Space, Mark | |
| | Flow Control | XON/XOFF, RTS/CTS | |
| | Baud Rate | 50 bps ~ 921.6 kbps, any baud rate setting | |
| | Serial Signals | RS-232: TxD, RxD, CTS, RTS, DTR, DSR, DCD, RI, GND | |
| RS-422: TxD+, TxD-, RxD+, RxD-, GND | |||
| RS-485: Data+, Data-, GND | |||
| | Protection | 15 KV ESD for all signals |
Port Type RS-232/422/485, software selectable
Mechanism
Software
2008/2012/2012 R2
Environment
USB-4604B
