Thanks for the update !
We need physical access to the ICX-7150-Using the console connection
Here is a short guide :
How to console in the ICX-7150-C12P
Short Guide for password recovery :
Video link as reference : https://www.youtube.com/watch?v=XJS28DWbHM4
1.Start a CLI session over the serial ( console access) interface to the RUCKUS ICX device.
2-Enter OS mode. This uses a key combination and drops below the fastiron operating system
Key Combination: Ctrl+y, release, tap 'm', tap 'Enter'
4-just write reset
5-.While the system is booting, before the initial system prompt appears,
enter b to enter the boot monitor mode.
Enter 'b' to stop at boot monitor: 0
In this Part you have to press B before the counter ends
6-Enter no password. (You cannot abbreviate this command.)
ICX7650-Boot> no password
00 00 00 00
OK! Skip password check when the system is up.
7-Enter boot. This command causes the device to bypass the system password
8-After the console prompt reappears, assign a new password.
device# configure terminal
device(config)# username USERNAME password PASSWORD