Hi Guys!
I contacted Huawei Support team, and they kindly gave the information. For anyone else who needed:
1- Para configurar la vlan de management estática:
system-view
[Huawei] management-vlan X
2- Para asignar una IP de AC
system-view
[Huawei] ap-address static ac-list XXX.XXX.XXX.XXX
3- Referente al documento, no te lo podemos enviar, pero lo puedes descargar desde: Aquí
Cheers!