EXFO Power Blazer 88200NGE, User Manual

Page: 184 / 887

Test Setup - Test Configurator, Timer, and System
174
88000 Series
Clock
Tributary Synchronization
Note: Only available with SONET/SDH - DSn/PDH and DSn/PDH test applications.
Not supported in Through topology.
Clock Mode allows selecting the source clock that will be used for tributary
transmission (TX); default is
Internal
. The availability of clock modes is as
follows:

Internal : Internal clock of the unit (STRATUM 3).

Recovered
: Line clock from the input port signal involved in the
test.

External
: Clock signal from the EXT CLK port.

Backplane : Clock from another module on the platform (only
supported on FTB-2 and FTB-2 Pro platforms). The other module
must support the backplane clock feature and must be enabled.
The Backplane clock cannot be shared between FTB- and FTBx-
modules.
Clock Synchronization Tributary Synchronization
Internal Internal
Recovered Internal
Recovered
External Internal
External
Backplane Internal
Backplane