OP7820 8TX-8RX Fiber Optic Module
The OP7820 is a digital I/O conditioning board designed to fit in the back slots of the OP7000 chassis. The board holds 16 optical transceivers and converts 8 logic signals into 8 fiber optic signals (transmit channels), and 8 fiber optic signals into 8 digital logic signals (receive channels). Hence it ensures optical digital input and output isolation between the OPAL-RT simulator and the unit under test. The transceivers are compatible with plastic optical fiber cables (650nm wavelength). Their frequency range is DC to 25 MHz, corresponding to a 50 Mbps baud rate, for distances up to 50 meters. The absolute minimum for transmission (Tx) high and low pulse width is 20ns. This frequency range means the board can be used as a standard digital I/O card with isolation (DC mode), or for low-speed communication protocols. The board is compatible with OPAL-RT's ORION protocol.
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