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The TEV-IBx are interface boards. Two boards are currently supplied by Tibbo:
•TEV-IB0: RS232/422/485 serial port board (each EM1000-TEV system has two of them);
•TEV-IB1: 3 x opto-input/ 3 x relay output board (each EM1000-TEV system has two of them). Opto-inputs can optionally be used to connected a Wiegand or clock/data reader.
TEV-IBx Board Connector
The TEV-IBx boards are connected to the TEV-MB0 motherboard through a 2x10-pin connector. Each two pins of the connector are combined together for better electrical contact. Therefore, the connector effectively has 10 lines.
Each EM1000-TEV system has four interface boards and each board is controlled through one of the four serial ports of the EM1000 module.
* I/O pins of the EM1000 module. Not all pin functions are shown. See EM1000 documentation for full description.