wa 2210 ag fit怎样转换为fat模式

 H3C WA2200 BootWare, Version 2.13                      *
*                                                                          *
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Copyright (c) 2004-2011 Hangzhou H3C Technologies Co., Ltd.

Compiled Date       : Mar  9 2011
CPU Type            : PPC 405EP
CPU L1 Cache        : 32KB
CPU Clock Speed     : 266MHz
Memory Type         : SDRAM
Memory Size         : 64MB
Memory Speed        : 133MHz
BootWare Size       : 512KB
Flash Size          : 8MB
PCB Version         : Ver.B

BootWare Validating...
Press Ctrl+B to enter extended boot menu...
Starting to get the main application file--flash:/wa2200_fit.bin!
The main application file does not exist--flash:/wa2200_fit.bin!
Booting App fails!
Trying to get the IP address from the DHCP server......
DHCP server's IP address is 10.2.1.1
Client's assigned address is 10.2.1.61
DNS domain name got from DHCP server is
DNS server's IP address is 202.96.134.133
Default Gateway's IP address is 10.2.1.1
This client's subnet mask is 255.255.255.192
The length of option 43 is: 0
 Change State : Idle to Broadcast Discovery
 Change State : Broadcast Discovery to Unicast Discovery
get ac [***.***]'s ip...

在无AC有串口线的情况下怎转fat模式，已经进不了命令模式了

参照https://zhiliao.h3c.com/Theme/details/3012  上面信息还是不会