Seams like this AP is BAD. The below is from the CLI user guide of the AP. If your not getting any human readable context than its safe to say it is a BAD AP.
Accessing the CLI through the Serial Port To connect to the access point CLI through the serial port:
1. Connect one end of a null modem serial cable to the access point’s serial connector.
2. Attach the other end of the null modem serial cable to the serial port of a PC running HyperTerminal or a similar emulation program.
3. 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.
4. Press or to enter into the CLI.
5. Enter the default username of admin and the default password of motorola. If this is your first time logging into the access point, you are unable to access any of the access point’s commands until the country code is set. A new password will also need to be created.
