TP-Link T1500-28TC TL-SL2428 T1500-28TCUN V1 Installation Guide - Page 5

JetStream Smart Switch LEDs LED PWR SYS 10/100M 1000M Status Indication On The switch is powered on Off The switch is powered off or power supply is abnormal Flashing Power supply is abnormal Flashing The switch works properly On/Off The switch works improperly On A device is connected to the corresponding port but no activity Flashing Data is being transmitted or received Off No device is connected to the corresponding port Green On A 1000Mbps device is connected to the corresponding port, but no activity Flashing Data is being transmitted or received Yellow On A 10/100Mbps device is connected to the corresponding port, but no activity Flashing Data is being transmitted or received Off No device is connected to the corresponding port Reset With the switch powered on, press Reset button for 5 seconds to reset the software setting to its factory default settings. 10/100Mbps RJ45 Port Designed to connect to the device with a bandwidth of 10Mbps or 100Mbps. Each has a corresponding 10/100M or PoE LED. 10/100/1000Mbps RJ45 Port Designed to connect to the device with a bandwidth of 10Mbps, 100Mbps or 1000Mbps. Each has a corresponding 1000M LED. SFP Port Designed to install the SFP module. T1500-28TC features some SFP transceiver slots that are shared with the associated RJ45 ports. The associated two ports are referred as a "Combo" port, which means they cannot be used simultaneously, otherwise only SFP port works. Meanwhile, the associated two ports share the same LED. For T1500-28TC, Port 27 shares the same LED with Port 27F and Port 28 shares the same LED with Port 28F. Introduction 02