HP 1420 Series User Manual

20
Appendix C Troubleshooting
Table 10 describes the troubleshooting methods for common issues that you might encounter while using
and managing the switch.
If a problem persists, contact HP Support.
Table 10 Troubleshooting methods
S
y
m
p
tom Troubleshootin
g
method
Power LED off
1. Verify that the correct power source is used and the power cords
are correctly connected.
2. Verify that the power source side provides power supply correctly.
LAN interface LED off
1. Verify that the network cable is correctly connected to the network
port of the switch.
2. Insert the two ends of a network cable into two network ports of the
switch. If the port LEDs are off, replace the network cable.

HP 1420 Series Specifications

General

Type	Unmanaged
Form Factor	Rack-mountable or desktop
Power Supply	Internal
Layer	Layer 2
Energy Efficient Ethernet	Yes
Management	Unmanaged
Power Consumption	Varies by model
Dimensions	Varies by model
Weight	Varies by model
Uplink Ports	SFP (selected models)
Fanless	Yes (selected models)
Jumbo Frame Support	Yes
Ports	8, 16, or 24 RJ-45 10/100/1000 ports or 24 RJ-45 10/100/1000 ports + 2 SFP ports