Cisco 3560-48PS Installation Guide - Page 42
Port Mode, LED Color, Meaning
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Front-Panel Description Chapter 1 Product Overview Table 1-7 Meaning of LED Colors in Different Modes on the Catalyst 3508, 3512, 3524, and 3548 XL Switches (continued) Port Mode SPEED (speed) LED Color 10/100 ports Off Green 1000BaseX ports Off Green Meaning Port is operating at 10 Mbps. Port is operating at 100 Mbps. Port is not operating. Port is operating at 1000 Mbps. Table 1-8 Meaning of LED Colors in Different Modes on the Catalyst 3524-PWR XL Switch Port Mode STATUS (port status) DUPLEX LED Color Off Solid green Flashing green Alternating green-amber Solid amber Off Green Meaning No link. Link present. Activity. Port is transmitting or receiving data. Link fault. Error frames can affect connectivity, and errors such as excessive collisions, CRC errors, and alignment and jabber errors are monitored for a link-fault indication. Port is not forwarding. Port was disabled by management or an address violation or was blocked by Spanning Tree Protocol (STP). Note After a port is reconfigured, the port LED can remain amber for up to 30 seconds as STP checks the switch for possible loops. Port is operating in half duplex. Port is operating in full duplex. 1-18 Catalyst 3500 Series XL Hardware Installation Guide 78-6456-04