Port Extension (Net Unit) - Fujitsu SE700 Operating Manual

3 Port extension (Net Unit)

A redundantly designed Net Unit can be enhanced with a port extension.
In this case two redundant switches supplement the existing ports of the Net Unit to provide
up to 96 redundant LAN ports.
The switches ICX6450-24 and -48 of the "base" Net Unit are connected to those of the port
extension with an FC cable.
In the case of multi-rack systems, the switches can be integrated into different racks.
i
On the SE300 the port extension is possible if the Net Unit is redundant in design.
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