User’s Manual
Product Overview 7
2 Product Overview
Front Panel
2.1.1 DH-PFS4218-16GT-190/240
Front panel
Table 2-1 Front panel description
No. Name Description
1 RJ-45 port Ethernet port, support 10/100/1000 Mbps self-adaptive.
2 SFP port Fiber port supports 1000 Mbps.
3 Reset button Long press the button for 5 s to reset the device and
recover default configuration.
4 Console serial port Device debugging port.
5 PoE power usage indicator Current power consumption display.
6 Downlink indicator Current port link status and PoE status.
7 SFP port indicator SFP port indicate link/act.
8 System indicator System status:
When device is booting up, the light is flashing
quickly.
When device is working properly, the light is flashing
slowly.
9 Power indicator Device current power status.
2.1.2 DH-PFS4226-24GT-240/360
Front panel