Exfo FTB-800 Series for FTB-1 Uživatelský manuál stáhnout pdf (Strana 188)

100

101

Test Setup - Test Configurator, Timer, and System

178 FTB-700G/800 Series

RFC 2544 - Subtests

 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 the local and remote 1PPS signal clocks are valid. The

following alarms are available with One-Way Latency measurement

mode.

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 μs after the previous pulse. LOPPS-R is

only monitored once the DTS connection is established.

 Configure per Frame Size is available when the Copy From

Throughput check box is cleared and allows to set the Max. Rate for

each frame size. For Dual Test Set the Max. Rate is configurable for

both local to remote (L -> R) and remote to local (R -> L) directions.

All Frames check box when selected (cleared by default) allows to

enter the maximum rate that will be applied to all frame sizes.

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