Table 37: X870 Front Panel LEDs
Label or Type
Color/State
Meaning
STAT
Slow blinking green (1 Hz)
Normal operation
Fast blinking green (2 Hz)
Power-on self test (POST) in progress
or
Switch diagnostics are running
Steady green
POST passed: system is booting image
Blinking amber
System is disabled: POST failed or system
overheated
Off
No external power is attached
PWR
Steady green
Power on
Blinking amber
Power supply failure – one of:
• Over voltage
• Over current
• Over temperature
Off
Power off; no power attached
MGMT
Steady green
Link up
Blinking green
Packet transmitting or receiving
Off
Link not up or port disabled
FAN
1, 2, 3, 4, 5, 6
Steady green
All diagnostics passed; fan module is
operational
Blinking amber
Failure
Off
No power to fan module
Locator
Blinking blue
Locator function enabled
Off
Locator function disabled
Ethernet ports 1-32 (not
partitioned)
Steady white
Link up, no activity
Blinking white
Packet transmitting or receiving
Off
Link not up or port disabled
Ethernet ports 1-128
(partitioned into data
Steady green
Link up, no activity
Blinking green
Packet transmitting or receiving
Off
Link not up or port disabled
Pluggable Interfaces for the Switches
Many ExtremeSwitching switches include ports that are compatible with a variety of optical modules,
including SFP, SFP+, SFP28, QSFP+, and QSFP28 transceivers and cables. Extreme Networks optical
modules are tested to work in all supported Extreme Networks devices. We recommend that all
customers use Extreme Networks optical modules in their Extreme Networks devices.
ExtremeSwitching Switches
Pluggable Interfaces for the Switches
ExtremeSwitching Hardware Installation Guide
117