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The CR1000 wiring panel shows four Serial Input/Output ports on C1-C8. Do these Serial I/O ports provide the same functionality as the SDM-SIO4 module did on a CR10X or CR23X datalogger?

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The CR1000 wiring panel shows four Serial Input/Output ports on C1-C8. Do these Serial I/O ports provide the same functionality as the SDM-SIO4 module did on a CR10X or CR23X datalogger?

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The CR1000 can handle strings as a specific data type. It has built-in serial communications capabilities on the 1) four control port pairs COM1 (C1 Tx / C2 Rx) through COM4 (C7 Tx / C8 Rx), 2) RS-232 port, and 3) CSI/O port with the appropriate interface device. The serial I/O capabilities of the CR1000 are similar to and faster than the SDM-SIO4 capabilities on a CR10X or CR23X. SDM devices are addressable and are connected to a datalogger on C1 through C3. Therefore, one benefit of using multiple SDM devices on a CR1000 datalogger is that only three control ports will be used.

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