1.使用配置线连接好交换机和电脑。
2.关闭 R1762 的电源，然后打开超级终端，恢复到默认值后。打开 R1762 电源，马上点连接。
System bootstrap ...
Boot Version: RGNOS 10.2.00(2), Release(24515)
Nor Flash ID: 0x0001007E, SIZE: 8388608Byte
Waiting for subcard to initialize ..................
Press Ctrl+C to enter Boot Menu
====== BootLoader Tools Menu("Ctrl+Q" to quit) ======
************************************************
TOP menu items.
************************************************
0. Tftp utilities.
1. XModem utilities.
2. Run Main.
3. Run a Executable file.
4. File management utilities.
5. SetMac utilities.
6. Scattered utilities.
************************************************
Press a key to run the command:4
====== BootLoader Tools Menu("Ctrl+Q" to quit) ======
************************************************
File management utilities.
************************************************
0. List information about the files.
1. Remove a file.
2. Rename or Move a file.
3. Format flash filesystem.
************************************************
Press a key to run the command: 0
Mode Link Size MTime Name
-------- ---- --------- ------------------- ------------------
<DIR> 1 0 1970-01-01 08:00:00 dev/
<DIR> 1 0 2008-04-07 00:44:35 ram/
<DIR> 2 0 2008-03-16 16:37:43 tmp/
<DIR> 3 0 2007-05-02 22:43:40 info/
<DIR> 2 0 2007-05-02 22:44:05 proc/
1 3333056 2007-05-03 22:05:44 rgnos.bin
1 578 2008-03-25 21:02:57 config.text
--------------------------------------------------------------
1 Files (Total size 3333056 Bytes), 5 Directories.
Total 7077888 bytes (6MB) in this device, 3260416 bytes (3MB) available.
====== BootLoader Tools Menu("Ctrl+Q" to quit) ======
************************************************
File management utilities.
************************************************
0. List information about the files.
1. Remove a file.
2. Rename or Move a file.
3. Format flash filesystem.
************************************************
Press a key to run the command: 1
The filename you want to remove:config.text
或者按 Ctrl+Q 进入命令行删除：
BootLoader>
BootLoader>help
BootLoader>ls
Mode Link Size MTime Name
-------- ---- --------- ------------------- ------------------
<DIR> 1 0 1970-01-01 08:00:00 dev/
<DIR> 1 0 2008-04-07 00:44:35 ram/
<DIR> 2 0 2008-03-16 16:37:43 tmp/
<DIR> 3 0 2007-05-02 22:43:40 info/
<DIR> 2 0 2007-05-02 22:44:05 proc/
1 3333056 2007-05-03 22:05:44 rgnos.bin
1 578 2008-03-25 21:02:57 config.text
--------------------------------------------------------------
2 Files (Total size 3333634 Bytes), 5 Directories.
Total 7077888 bytes (6MB) in this device, 3260416 bytes (3MB) available.
BootLoader>rm config.text
BootLoader>load