How to check the board ESNs or other device information of an NE router

To check the ESNs of the master and slave main control boards, run the display esn command.

To check inventory chassis information, including the chassis name, E-label on the backplane, PCB version number, and chassis number, run the display inventory chassis command.

To check inventory board information, including the board name, e-label, version type, version number, and slot ID, run the display inventory board command.
There are two FTP transmission modes: binary transmission and text transmission. If the text transmission mode is used, certain content is automatically converted after FTP transmission. Therefore, it is advised to use the binary transmission mode to transfer a binary file, such as the system software file.

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