IPS42 Internal Power Supply | Installation and User Guide (11/09) |
4.1 Before Calling for Assistance
1.If difficulty is encountered when installing or operating the unit, refer back to the Installation Section of the applicable chapter of this manual. Also check to make sure that the various components of the network are interoperable.
2.Check the cables and connectors to ensure that they have been properly connected and the cables/wires have not been crimped or in some way impaired during installation. (About 90% of network downtime can be attributed to wiring and connector problems.)
3.If the fiber port does not link up while connecting to other device, do a quick Loop test to test the fiber transceiver is functional or not. Use a short patch cable of fiber and connect one end of cable to transmit and other end of receive to the fiber port transceiver. If the Link Led turns solid green, then the fiber port is functional and working.
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