Connect one end of a null modem serial cable to the AP-5131s serial connector. Attach the other end of the null modem serial cable to the serial port of a PC running HyperTerminal or a similar emulation program.
Set the HyperTerminal program to use 19200 baud, 8 data bits, 1 stop bit, no parity, no flow control and auto-detect for terminal emulation.
Press <ESC> or <Enter> to access the AP-5131 CLI. A serial connection has now been established and the user should be able to view the serial connection window.
Reset the AP-5131. An AP-5131 can be reset by removing and re-inserting the LAN cable or removing and re-inserting the power cable.
Press the ESC key within 3 seconds once you see the message "Press escape key to run boot firmware."
Type the following at the boot prompt: "Boot> passwd default"
Then, "Boot> reset system"
Once the AP completes its boot process, type in the default user name admin and password "motorola"
Serial line configuration for accessing the AP-5131