##265
[ TX/RX ] Signal error in the hardware of the system
Cause
• An internal unit is faulty (i.e., the modem
speed selection is not appropriate).
##266
[ TX/RX ] Error occurred in an internal signal
Cause
• An internal unit is faulty (i.e., byte pack
interrupt did not occur).
control board occurred
Remedy
• Replace the PCB that includes the modem.
• Replace the system control board.
Remedy
• Replace the PCB that includes the modem.
• Replace the system control board.
2-41
Chapter 2: Service Error Codes