Raritan PX3-1000 series, Руководство пользователя

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Appendix K: Additional PX3 Information
691
Symptom Probable cause
Failure to access a slave device

Network connection to the master device is lost.

The cascading cable connected to the slave device in
question or any upstream device (if available) is loose or
lost.

No power is supplied to the slave device in question or
any upstream devices.

The Ethernet or wireless interface on the master device
is disabled.

IPv4 (or IPv6) settings are disabled on the slave device in
question.

The cascading mode of the slave device in question or
any upstream device is set incorrectly. For example, the
master device is set to Bridging, but one of the slave
devices is set to Port Forwarding.

In the port forwarding mode, the master device's role is
incorrectly set to 'Slave'.

In the port forwarding mode, the master device's
downstream interface is incorrectly set. For example,
you use a USB cable to connect the 1st slave device, but
select the Ethernet port as the downstream interface.

In the port forwarding mode, the role of the slave device
in question or any upstream device is set to 'Master'
instead of 'Slave'.

In the port forwarding mode, the port number you added
to the IP address is incorrect. See
Port Number Syntax
(on page 234).

The firmware version of the slave device in question or
any upstream device is older than 3.3.10.
Tip: To determine which PX3 may be the failure point of network, you
may ping each PX3 in the cascading chain, or check the slave-related
events in the event log of each PX3. See
Slave Connection and
Disconnection Events (on page 691).
For a PX3-iX7 cascading chain, also check the following:

Whether the Ethernet interface (ETH1 or ETH2) where the network or
cascading cable is connected is disabled on the slave device in
question or any upstream device.

Whether the connection complies with the cascading guidelines if it
is set to the port forwarding mode. See
Unsupported Cascading
Connections for Port Forwarding
(on page 45).