Anritsu MT1810A - Synchronization Not Established

9.2 Synchronization Not Established
9-3
9
Troubleshooting
9.2 Synchronization Not Established
•
Synchronization cannot be established (error measurement cannot be
performed)
Table 9.2-1 Items to be checked
Symptom Location to Check Remedy
Input conditions
Do the quality, status and
length of the connection
cables comply with the
specifications?
Replace with a suitable cable.
Is the cable connection
correct and secure?
Confirm the destination and check if the connector is
tightened securely.
Are the single and
differential (50/100
Ω
)
inputs set correctly?
Set the correct value.
Is the input level correct?
Check the level by using an oscilloscope, etc.
Are the input bit rate and
clock frequency set
correctly?
Set the bit rate and clock frequency correctly.
Note:
Use the frequency counter to check the
current clock frequency.
Termination
conditions
Was the termination
potential adjusted?
Set the termination potential correctly.
Note:
Incorrect setting may result in unit failure.
Output
conditions
Are the connection cables
between this module and
MU18304xA/B matched?
Check the connection point and tighten the
connector.
Are the connection cables
between this module and
the MU183040xA/B
connected correctly?
Connect MP1862A and MU18304xA/B with cables in
the order specified in Chapter 3.
Are the threshold and
phase of MP1862A and
MU18304xA/B correct?
Either set Auto Adjust to ON at the MU18304xA/B
or run Auto Search or perform manual adjustment.