User Manual
Chapter 1. Introduction 12
www.qtech.ru
PIN3: -52V DC power cathode input
PIN4: 0V DC power positive electrode input
PIN5: 0V DC power positive electrode input
1.4.4 Status LEDs
LEDs of QSW-8200 show the corresponding state.
In mainboard of QSW-8200-28T-AC/ QSW-8200-28T-AC-DC/ QSW-8200-28T-POE-AC-DC/ QSW-
8200-52T-AC/ QSW-8200-52T-AC-DC/ QSW-8200-52T-AC-DC/ QSW-8200-52T-POE-AC-DC the
LEDs include two parts, one is 24/48 1000M interface LEDs, they show each port state at RJ45
plug-in, each port corresponds a LED with double colors.
Table 1-2 Port LEDs