Linksys UC540W-BRI-K9 Quick Start Guide - Page 9

LEDs The LEDs on the front panel of the UC 540 are used for monitoring system activity and performance. 275430 SYS POE VM WLAN POWER ETHERNET PWR LNK PWR LNK PWR LNK SYS POE VM WLAN POWER ETHERNET CONSOLE PWR LNK PWR LNK PWR LNK PWR LNK PWR LNK PWR LNK PWR LNK LED Description SYS Indicates that the system has successfully booted and is ready to use. The LED flashes green while the system is booting and then turns solid green when booting is complete. POE Indicates there are voice and data devices connected to the PoE ports. The LED is solid green when the connected devices are all operating correctly. VM Indicates that voice mail is active. The LED is solid green when voice mail is active. WLAN Indicates that the wireless network status is UP. The LED flashes green when it is ready to send and receive signals. PoE, WAN, and Each port has a right and left LED. The left flashes EXPANSION Ports green when there is activity on the port. The right LED is solid green when the connection is active. Compact Flash Flashes green when the compact flash is accessed. Otherwise, the LED is off. 8 Cisco Unified Communications 500 Series Model UC 540 Quick Start Guide