Axel AX4000 User's Manual - Manual (Page 37)

Setting-Up the Office Server in Interactive Mode
AXEL Office Server
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2.7.3 - Changing the Office Server IP Address
The Office Server IP address can be changed by using the arp and ping
commands (see Appendix A.6.2).
This feature can be disabled by selecting [Advanced Set-Up] →[Tunings] and
setting 'Ping change IP addr.' to 'n'.