HP A5120 EI Series Installation Guide

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 The switch is securely connected to the RPS.
 The RPS is working correctly.
NOTE:
If the problem persists, contact HP Support for help.
Fan failure (A5120 EI switches only)
You can check the system status LED and the seven-segment LED of an A5120 EI switch to identify a fan
failure. If both LEDs are behaving as described in Table 13, a fan failure has occurred.
Table 13 LED behaviors that identify a fan failure
LED
Mark
State
System status LED
PWR
Steady red
Seven-segment LED
Unit
The LED flashes F for fan failure.
The A5120 EI switches use fans that are not user-replaceable. If a fan failure occurs, contact HP Support
for help and do not attempt to fix the problem yourself.
Console terminal problems
If the console terminal setup is correct, the console terminal displays boot information when the switch is
powered on. If the setup is incorrect, the console terminal displays nothing or garbled text.
No terminal display
If the console terminal displays nothing after the switch is powered on, check the following:
 The power supply is supplying power to the switch.
 The console cable is connected properly.
 The terminal settings are correct.
 The console cable is good.
Garbled terminal display
If terminal display is garbled, verify that the following settings are configured for the terminal, for
example, HyperTerminal:
 Baud rate—9,600
 Data bits—8
 Parity—none
 Stop bits—1
 Flow control—none
 Emulation—VT100

HP A5120 EI Series Specifications

General

Brand	HP
Model	A5120 EI Series
Category	Switch
Language	English