Juniper Networks EX2200 Component Descriptions

CHAPTER 2
Component Descriptions
•ChassisStatus LEDs in EX2200 Switches on page 11
•NetworkPort and Uplink Port LEDs in EX2200 Switches on page 12
•ManagementPort LEDs in EX2200 Switches on page 14
•PowerSupply in EX2200 Switches on page 14
•CoolingSystem and Airflow in an EX2200 Switch on page15
Chassis StatusLEDs in EX2200 Switches
Thefront panel of an EX2200 switch has two chassis status LEDs labeledSYS and ALM
onthe far right side of the panel, above the uplink ports (see Figure 4 on page 11).
Figure 4: ChassisStatus LEDs in an EX2200 Switch
g027003
0 1 2
SYS
ALM
SPD
DX
EN
POE
3
Chassis
status LEDs
Table4 on page 11 describes the chassis statusLEDs in an EX2200 switch, their colors
andstates, and the status they indicate.
Table4: Chassis Status LEDs in an EX2200 Switch
Stateand DescriptionColorLEDLabel
Thereis no alarm.UnlitALM
Thereis a minor alarm.Amber
Thereis a major alarm.Red
•Onsteadily—The switchis functioning normally.
•Blinking—Theswitch is booting.
•Off—Theswitch is off.
GreenSYS
Amajor alarm (red) indicates a critical error condition that requiresimmediate action.
11Copyright© 2010, Juniper Networks,Inc.