Advantech PCM-24D2R4-BE RS-422/485 隔离型 RS-422/485，DB9 x 2，（USB 型）

Dimensions: 51 mm x 30 mm x 12.4 mm

Interface Type: mPCIe, RS-422/485

Maximum Data Rate: 921.6 kb/s

Supply Voltage - Max: 3.3 V

Supply Voltage - Min: 3.3 V

Operating Supply Current: 500 mA

Operating Supply Voltage: 3.3 V

Number of Channels / Ports: 2 Port

Maximum Operating Temperature: + 60 C

Minimum Operating Temperature: - 20 C