Juniper QFX Series User Manual

Table 82 on page 401 describes the QSFP+ uplink port LEDs.
Table 82: Uplink Port LEDs on QSFP+ Uplink Ports on a QFX3500 Device
DescriptionStateColorLED
No link is established, there is a fault, or the link is down.
NOTE: The LED remains unlit only if all four of the 10-Gigabit Ethernet
SFP+ breakout links are down.
OffUnlitLink/Activity
A link is established, but there is no link activity.
NOTE: The LED is lit green when at least one of the four 10-Gigabit Ethernet
SFP+ breakout links is established.
On steadilyGreen
A link is established, and there is link activity.
NOTE: The LED is lit green when at least one of the four 10-Gigabit Ethernet
SFP+ breakout links is established.
Blinking
No transceiver is installed in the port, or the transceiver is not supported.OffUnlitStatus
A transceiver is installed in the port.On steadilyGreen
Related
Documentation
Rear Panel of a QFX3500 Device on page 66•
• Installing a Transceiver in a QFX Series Device on page 374
• Connecting a Fiber-Optic Cable to a QFX Series Device on page 377
Fan Tray LED on a QFX3500 Device
Figure 141 on page 401 shows the location of the LED on the fan tray.
Figure 141: Fan Tray LED in a QFX3500 Device
g050011
Fan modules
EjectorLED
Table 83 on page 402 describes the function of the fan tray LED.
401Copyright © 2012, Juniper Networks, Inc.
Chapter 32: Viewing QFX3500 System Information

Juniper QFX Series Specifications

General

Category	Switch
Series	QFX
Form Factor	1U, 2U, and modular chassis options
Power Supply	Redundant, hot-swappable power supplies
Cooling	hot-swappable fans
Virtual Chassis	Supported on certain models
Typical Use	Data center, cloud
Operating System	Junos OS
Management	CLI
Key Features	High performance, low latency, automation
Latency	Sub-microsecond latency
Port Density	Varies by model (e.g., QFX5100: up to 48x10GbE + 6x40GbE)