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Black Box LH1500 Media Converters Installation and User Guide (08/05)
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Note: One strand of the duplex fiber optic cable is coded using color
bands at regular intervals; you must use the color-coded strand on
the associated ports at each end of the fiber optic segment.
3. Connect the Transmit (TX) port (light colored post) on the LH1500A to the
Receive (RX) port of the remote device. Begin with the color-coded strand of
the cable for this first “Transmit-to-Receive” connection.
4. Connect the Receive (RX) port (dark colored post) on the LH1500 to the
Transmit (TX) port of the remote device. Use the non-color coded fiber strand for
this.
5. The LINK LED corresponding to the fiber port on the front of the LH1500 will
illuminate when a proper connection has been established at both ends (and
when power is ON in the unit). If LINK is not lit after cable connection, the
normal cause is improper cable polarity. Swap the fiber cables on the LH1500
fiber connectors to remedy this situation.