ZyXEL XGS-4528F User Guide - Page 45
Hardware Overview, XGS-4526/4528F/4728F User's Guide
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Chapter 3 Hardware Overview 3.3 LEDs The following table describes the LEDs. Table 3 LEDs LED COLO R STATUS DESCRIPTION BPS Green Blinking The system is receiving power from the backup power supply. On The backup power supply is connected and active. Off The backup power supply is not ready or not active. PWR Green On The system is turned on. Off The system is off. SYS Green Blinking The system is rebooting and performing self-diagnostic tests. On The system is on and functioning properly. Off The power is off or the system is not ready/ malfunctioning. ALM Red On There is a hardware failure. Off The system is functioning normally. S1 Green On (XGS- 4528F or Off XGS- 4728F) The Switch is connected to other switches in the stack on Stacking Port 1. The Switch is not connected to other switches in the stack on Stacking Port 1. S2 Green On (XGS- 4528F or Off XGS- 4728F) The Switch is connected to other switches in the stack on Stacking Port 2. The Switch is not connected to other switches in the stack on Stacking Port 2. System Status Displays The Switch is starting up. hourglas s icon Displays The LED is showing the Stack ID number of the Switch. Stack ID number 1000Base-T Gigabit Ports ( ) 1-24 Green Blinking The system is transmitting/receiving to/from a 10/1000 Mbps Ethernet network. On The link to a 10/1000 Mbps Ethernet network is up. Amber Blinking The system is transmitting/receiving to/from a 100 Mbps Ethernet network. On The link to a 100 Mbps Ethernet network is up. Off The link to an Ethernet network is down. 1000Base-X Mini-GBIC Slots ( ) XGS-4526/4528F/4728F User's Guide 45