Not possessing a switch (neither managed nor unmanaged) I decided to make use of a NetGear DG834Gv5.
The DG834G was (already) configured to use the 192.168.1.254 IPv4 address and its DHCP server hands out addresses in the range 64 - 253.
With a the Ethernet Access port (the user's side) of the FSP150CP connected to the LAN1 port of the DG834G with a standard Ethernet patch cable, a computer was likewise connected to the LAN3 port of the DG834G.
The DG834G, the computer and finally the FSP150CP were powered up (in the order mentioned). The well-recognised power-on boot-sequence of the FSP150CP was displayed via the Serial Management interface and the Login prompt appeared.
The computer had obtained the 192.168.1.64 IPv4 address from the DG834G's DHCP server. From the computer's CLI an nmap scan was performed --
nmap -n 192.168.0.0/16
Upon completion, the scan just showed the presence of the computer (at 192.168.1.64) and the DG834G (at 192.168.1.254). Not being able to remember the other private IPv4 address blocks, the experiment was terminated.
Having now checked, I see that the three private IPv4 address blocks are --
And when checking in "The Grotto", I found a Watchfont WF1740 FireBrick 105. So further experiments will be performed, later.