Advantech MIC-3955A2-S1E RS-232/422/485 3U CPCI 4端口 RS-232/422/485 通信卡，用于RIO

Interface Type: RS-232/422/485

Maximum Data Rate: 921.6 kb/s

Supply Voltage - Max: 5 V

Supply Voltage - Min: 5 V

Operating Supply Voltage: 5 V

Number of Channels / Ports: 4 Port

Maximum Operating Temperature: + 70 C

Minimum Operating Temperature: - 40 C