Cannot enter key on WPJ563 Console

I connected compex wpj563 board via serial and enter console via SecureCRT.
I hit any key on the serial console to enter the loader mode.
but key event is not acting to console,
why?

Have you connected the proper cable that is the TX on your PC to the proper pin that is RX on the board?

I can see boot log via securecrt.
I think this is correct link.

but i can't enter key.

What you see on SecureCRT is what the TX from the board sends to the RX of the serial of your PC, which is not connected to the other way around.

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Cable is error.