Linksys 4116 User Guide - Page 9

Appendix A WARNING: The fiber module does not autosense, so you must set it to run at either full or half duplex. Prior to installing the fiber module into the expansion port, use the jumpers on the card as shown in Figure A-1. Fiber Optic Modules Jumper Diagram WARNING: Changing connectors must be done professionally with the proper tools. If this is your first time working with fiber, consult a networking professional who is familiar with fiber. Reading a Fiber Module's LED Display A Fiber Module's LED Display has two LEDs: the Link/Activity (Link/Act) LED and the Full Duplex/Half Duplex (FDX) LED. See the chart below to find out what the status of each LED denotes. Front Panel LED Displays LEDs Link/Act FDX LEDs Color Status Network Status Green Yellow Solid light Connection Established Blinking light Transmitting/ Receiving Solid light Full duplex transfer mode No light Half duplex transfer mode EtherFast® 16-Port and 24-Port 10/100 Ethernet Switches 6