EXFO FTB-1, User Manual

Page: 152 / 675

Test Setup - Test Configurator, Timer, and System
140
FTB-700G/800 Series
EtherSAM - Global
Global Options

Per Direction Configuration check box when selected (default)
specifies that the values can be configured independently for each
direction (local to remote and remote to local) for
Dual Test Set .
When the
Per Direction Configuration
check box is cleared the
configuration will be coupled and the values apply to both directions.
Note:
For Dual Test Set the Per Direction Configuration is only available when
the communication with the remote module is established.

Pass/Fail Verdict
check box when selected (default) enables the
pass/fail verdict. A global pass/fail verdict is given for the EtherSAM test,
Service Configuration
, and
Service performance
(for each service).
The pass/fail verdict is based on the following criteria: Frame Loss ,
Max Jitter
,
Round-Trip Latency
, and
Average RX Rate
.

Latency Measurement Mode , available with Dual Test Set for rates
from 10M to 10GE, allows the selection of the latency measurement
mode:
Round-Trip (default) or One-Way .
Synchronization with an external 1PPS clock is required to perform
One-Way Latency measurement. One-Way Latency is only possible
when both local and remote 1PPS signal clocks are valid. The
following alarms are available with One-Way Latency measurement.
LOPPS-L
and
LOPPS-R
(Loss Of Pulse Per Second - Local/Remote) are
declared when either no pulse is received or when no pulse is
received within 1 second ± 6.6
μ s after the previous pulse. LOPPS-R is
only monitored once the DTS connection is established.
Restore EtherSAM Defaults
Reverts the current test application to its default factory settings.