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6
QSFP28 port LEDs
The service modules provide a LED for each QSFP28 port to indicate the link status and data
receiving/forwarding status of the port.
Table 14 QSFP28 port LED description
LED status
Description
Flashing
The port is receiving or sending data.
On
A link is present.
Off
No link is present.
Power module LEDs
The switch supports many power module models. Each power module provides LEDs to indicate its
operating status. The LEDs vary by power module model.
PSR320-A
The PSR320-A power module provides a red-green status LED to indicate its operating status.
Table 15 PSR320-A power module LED description
LED Status
Description
Power module
LED
Green
The power module is operating correctly.
Red
The power module is operating incorrectly because one of the following
conditions exists:
•
The power module generates an alarm and enters the protection
mode because of input undervoltage, output short-circuit, output
overcurrent, output overvoltage, or overtemperature.
•
A fan failure has occurred.
Off
A power input problem has occurred because one of the following
conditions exists:
•
The power module is faulty or switched off.
•
The power cord is disconnected.
•
The external power supply is unavailable.
PSR650-A/PSR650-D
The PSR650-A and PSR650-D power modules each provide a red-green status LED to indicate their
operating status.