EX5200 Chassis LEDs

This topic describes the status LEDs for the chassis and ports on the EX5200 switch..

The LEDs on the EX5200 switch indicate the status of the device and its components. You can also use the LEDs for troubleshooting.

Chassis Status LEDs

The EX5200 has three chassis status LEDS - SYS, MST, and CLD. SYS (System): indicates the software loading and general operating status of the Junos OS. It also indicates the alarm conditions on the chassis. MST (Master): defines the role of a unit inside a Virtual Chassis configuration. CLD (Cloud-Ready): Displays the connection and management status with cloud services like Juniper Mist

Figure 1: Chassis Status LEDs

Table 1 describes the system chassis status LED labeled as SYS on an EX5200 switch when in standalone mode.

Table 2 describes the system chassis status LED labeled as SYS on an EX5200 switch when in Virtual Chassis mode.

Table 1: SYS Chassis Status LED on EX5200 Switches in Standalone Mode
Callout	LED Label	Color	State and Description
1	SYS	Blinking green	Switch is booting up.
		Solid green	Switch has booted up. No alarms.
		Amber	Minor alarm
		Red	Major alarm
		Blue	Appears on short press of front panel reset button. See Reset Button Functionality.
		Purple	Appears on long press of front panel reset button. See Reset Button Functionality

Table 2: SYS Chassis Status LED on EX5200 Switches in Virtual Chassis Mode
Callout	LED Label	Virtual Chassis Member and LED Color			State and Description
Callout	LED Label	Master	Backup	Linecard	State and Description
1	SYS	Green	Green	Green	No alarms
		Amber or Red	Green	Green	Alarm present on master member
		Green	Amber or Red	Green	alarm present on backup member
		Green	Green	Amber or Red	Alarm present on linecard member

Table 3 describes the chassis status LED labeled MST when the EX5200 switch is in standalone mode.

Table 4 describes the chassis status LED labeled MST when the EX5200 switch is in virtual chassis mode.

Table 3: MST Chassis Status LEDs on EX5200 Switches in Standalone Mode
Callout	LED Label	Color	State and Description
2	MST	Green	In a standalone switch: On steadily - The switch is functioning normally. Off - The switch is powered off or is halted.

Table 4: MST Chassis Status LEDs on EX5200 Switches in Virtual Chassis Mode
Callout	LED Label	Virtual Chassis Member	Color	State and Description
2	MST	Master	Green	Solid green – The master switch has a member ID of 0 Single blinks interspersed with 2.5 second pauses – The master switch has a member ID of 1. Likewise, the number of times the LED blinks before pausing is equal to its FPC number in the VC.
		Backup	Yellow	Solid yellow – The backup switch has a member ID of 0. Single blinks interspersed with 2.5 second pauses – The backup switch has a member ID of 1. Likewise, the number of times the LED blinks before pausing is equal to its FPC number in the VC.
		Linecard	White	Solid white– The linecard has a member ID of 0. Single blinks interspersed with 2.5 second pauses – The linecard has a member ID of 1. Likewise, the number of times the LED blinks before pausing is equal to its FPC number in the VC.

Callout 3 is the Cloud (CLD) LED. For information on the blink patterns of the CLD LED, which provide the cloud connection status of the switch, see Cloud Ready LED Blink Patters and to understand how the cloud connection works, see Cloud Connection Process

Management Port Status LEDs

Figure 2: Management Port Status LEDs

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Link activity LED

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Status LED

Table 5: Management Port Status LEDs
Callout	Label	LED	Color	State and Description
1	MGMT	Link/ Activity	Green	On - The port is Link Up without activity. Blinking - The port is Link Up with activity. Off - The port is Link down.
2	MGMT	Status	Green/amber	Off - Link speed is 10 Mbps Solid Amber - Link speed is 100 Mbps Solid Green - Link speed is 1000 Mbps

RJ-45 Network Port Status LEDs

Figure 3: RJ-45 Network Port Status LEDs

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Link activity LED

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Status LED

Table 6: RJ-45 Network Port Status LEDs
Callout	LED	Colors	State and Description
1	Link activity	Green	Off - no link Green - link is up Blinking green - link activity
2	Status	Green, amber, blue	Blinking green - link speed is 100 Mbps Solid green - link speed is 1000 Mbps Solid amber - link speed is 2.5 Gbps Blinking amber - 5 Gbps Solid blue - 10 Gbps

QSFP28 Stacking Ports LEDs

Figure 4: QSFP28 Stacking Ports LEDs

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LED of the first QSFP28 Stacking Port

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LED of the second QSFP28 Stacking Port

Figure 5: Link Activity LEDs for the QSFP28 Ports

Table 7: QSFP28 Stacking Ports LEDs
LED	Color	State and Description
Link activity (non-channelized ports)	Green	On steadily—A 100-Gbps link is established, but there is no link activity. Blinking—A 100-Gbps link is established, and there is link activity. Off—There is no link.
Link activity (non-channelized ports)	Amber	On steadily—A 40-Gbps link is established, but there is no link activity. Blinking—A 40-Gbps link is established, and there is link activity. Off—There is no link.
All four LEDs (channelized ports). The LEDs correspond to the four channels.	Green	On steadily—A 4x25-Gbps channelized link is established, but there is no link activity. Blinking—A 4x25-Gbps channelized link is established, and there is link activity. Off—There is no link.
	Amber	On steadily—A 4x10-Gbps channelized link is established, but there is no link activity. Blinking—A 4x10-Gbps channelized link is established, and there is link activity. Off—There is no link

LEDs on the Extension Module Ports

Figure 6: LEDs on the 25 Gbps Uplink Module Ports

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LEDs on the extension module ports

Table 8: 25 G Uplink Module Port LEDs
LED	LED Type	Colors	State and Description
Left	Link Activity	Green	Unlit – No link activity Steady green – Link active Blinking - Link activity started
Right	Status	Green	Blinking (1 blink per second) - 1 Gbps Steadily on - 10 Gbps Blinking (3 blinks per second) - 25 Gbps

Figure 7: LEDs on the 100 Gbps Uplink Module Ports

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LEDs on the first extension module port

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LEDs on the second extention module port

Table 9: 100 G Uplink Module Port LEDs
LED	LED Type	Colors	State and Description
Left first one	Link Activity and Speed	Green	Unlit – Link is down Steady green – 100 G link up Blinking - 100 G link activity started
Left first one	Link Activity and Speed	Amber	Steady amber - 40 G link established Blinking amber - 40 G link activity started
All four	Link Activity and Speed	Green	Unlit - All four channels are down Steady green - A 4 x 25 G channelized link is established Blinking green - A 4 x 25 G channelized link is active
All four	Link Activity and Speed	Amber	Unlit - link down Steady amber - A 4 x 10 G link is established Blinking - A 4 x 10 G link is active