LEGRAND Raritan PX3-3000 Series, User Manual

Page: 929 / 977

Appendix L: Additional PX3 Information
908
Cascading Troubleshooting
Any accessibility problem occurred on one of the devices in the
cascading chain may result in failure to access all downstream slave
devices that are connected to it.
Possible Root Causes
The following lists the network accessibility issues and possible root
causes.
You can always troubleshoot the software settings by connecting the PX3
to a computer if network access to that PX3 fails. See
Connecting the
PX3 to a Computer
(on page 31).
Symptom Probable cause
Failure to access the master
device

Anything below is lost or loose on the master device:

Network connection

Power supply

Anything below is disabled on the master device:

The Ethernet or wireless interface

IPv4 or IPv6 settings

In the Port Forwarding mode, related settings are
incorrectly configured on the master device.

The master device's role is incorrectly set to 'Slave'.

The interface where the network is connected is
incorrectly set as the downstream interface.

For the wireless networking, one of the following issues
occurs:

The USB wireless LAN adapter attached to the
master device is not the Raritan USB WIFI LAN
adapter. See
USB Wireless LAN Adapters
(on page
23).

The wireless LAN configuration is not supported. See
Supported Wireless LAN Configuration
(on page
23).

The installed CA certificate chain contains any
certificate that has expired or is not valid yet.