Status LEDs for the 100BASE-FX Ethernet Feature ModuleLED Color State ExplanationOK Green ON There is power to the featuremodule.OFF There is no power to the featuremodule, no power to the 8275-416or the module has failed.Fault Yellow ON There is a module fault.OFF There is no hardware fault.Port LED Green ON Link is up.OFF Link is down.Blinking Transmitting (Tx) and receiving (Rx)traffic.Physical CharacteristicsPhysical characteristics for the 8275-416 are summarized in the following table:Characteristic SpecificationPhysical Dimensions Height 63.0 mm (2.48 in.) 1.5 EIA rack unitsWidth 440.0 mm (17.16 in.)Depth 355.6 mm (14 in.)Weight (estimate) 6.0 kg (13 lb)Service Clearance Front Minimum of 15.3 mm (6 in.) forcooling, cables, and to view LEDsSides Minimum of 50 mm (2 in.) for coolingRear Minimum of 15.3 mm (6 in.) forcooling and power cordFigure 5. Status LEDs for the 100BASE-FX Ethernet Feature Module.Chapter 1. Introduction 9