Signal Regeneration - Viavi Xgig User Manual

General Settings
Changing the Link Speed
A warning message appears when the new settings are different than the current hardware settings.
Press
Change
configuration to the hardware. If you press
be updated to reflect the current setting for the hardware. Check the
hardware settings with the configuration and do not display this dialog again
receiving this warning message in the future. Use the
menu to directly set the option for this dialog box.
Warning: Changing the link speed when the signal is digitally retimed may cause data loss.
Important: When changing the link speed from 3.0000 Gbps to the "Auto SATA 6/3G"
setting, a link error may occur during the speed change, and TraceControl LEDs will briefly
flash red.
Figure 47: Link Speed and Signal Regeneration Mismatch Warning

Signal Regeneration

Digital signals that are received and passed through the analyzer are weakened very slightly by the
optical-electrical-optical pass-through process. For most applications, the slight reduction in signal
strength will not be a factor. However, for some applications, especially where the signal is passed
through multiple analyzers, the reduction in signal strength can affect throughput.
To select the signal regeneration mode, follow these steps:
1 Place the cursor in the
Select an option.
2
Analyzer configuration in TraceControl gives you the option to retime/regenerate the signal at its
optimum level.
Xgig Analyzer User's Guide
to proceed with the signal regeneration or link speed change and send the new
Signal Regeneration
Chapter 4, Xgig TraceControl Capture Configuration
, the configuration in the software will
Don't Change
Always overwrite the
Options dialog in the
field.
to avoid
Tools > Options
99