NDA-24300 CHAPTER 5
Page 345
Issue 1
FAULT REPAIR PROCEDURES
Replace the MUX circuit card with a
spare, and check it.
Replace the MUX circuit card referring to
Section 3.3.2, MUX Card Replacement
Procedure in Chapter 4.
Place the MUX circuit card into ACT mode
by flipping the MBR key on the active GT
(PH-GT09) card. Refer to Section 12.1.6,
Manual System Changeover of Speech Path
System, in Chapter 6.
Check to see if a station-to-station connection
can be set up and identify a circuit card
responsible for the fault.
If the connection is set up, set
the faulty system into STBY
side.
Perform the above check by extracting each
MUX circuit card individually.
ATTENTION
Contents
Static Sensitive
Handling
Precautions Required
A
END