GE IS200ISBDG1A ISBus Delay Board 
Description:
IS200ISBDG1A is GE ISBus Delay Board (ISBD). Designed to connect an ISBus full-duplex source—either a BAlA or ACL module—to the ISBus itself, it delivers a four-node (8 ms) delay for data traveling through the receive path.

In terms of connectivity, IS200ISBDG1A routes transmit signals directly from the full-duplex input connector (P1) to the transmit output connector (P2). Meanwhile, receive data from the input connector (P3) passes through a four-node delay circuit as well as a clock recovery and retiming circuit—this latter component provides the necessary clock signal for the data delay—before reaching the full-duplex receive output. Additionally, it enables monitoring of 10-bit 4B/5B-encoded words alongside the frame sync signal.

The ISBD board is equipped with two LED indicators, which respectively show the receiver carrier input status and the board’s power status. Its integrated DC-DC converter accepts an input voltage range of 18 to 36 volts and has a maximum input power requirement of 5 watts.


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