Media Dependent Adapters302401-D Rev 00 C-11For installation instructions, see “Installing an MDA” on page C-11.Installing an MDAThe Uplink Module slot on the BayStack 450 switch accommodates a singleMDA. The connection can be either an RJ-45 10/100BASE-TX MDA or a fiber(100BASE-FX or 1000BASE-SX/LX) MDA with an SC or MT-RJ connector.To install an MDA into the Uplink Module slot:1. Unplug the AC power cord from the back of the switch.2. Loosen the thumb screws and remove the filler panel (or previouslyinstalled MDA) from the Uplink Module slot.Table C-4. 1000BASE-LX MDA ComponentsItem Label Description1 Link Communication link LEDs (green):On: Valid communications link.Off: The communications link connection is bad or there is no connection tothis port.Blinking: The corresponding port is management disabled.2 PHY(or)Phy SelectPhy status LEDs (green):On: The corresponding Phy port is active.Off: The corresponding Phy port is in backup mode or there is noconnection to this port.3 Activity Port activity LEDs (green):Blinking: Indicates network activity level for the corresponding port. A highlevel of network activity can cause LEDs to appear to be on continuously.4 1000BASE-X SC port connectors (see “1000BASE-LX Multimode Applications”on page C-13 for special requirements).Note: The MDAs are not hot-swappable. Power down the switch beforeinstalling or removing an MDA.kombk.book Page 11 Tuesday, June 29, 1999 3:25 PM
