metrotek ETS-1000, Руководство по эксплуатации

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5.15 BERT 67
Figure 5.72. BERT setup menu
• Level — select OSI model layer to perform test at:
– 1 — Physical layer;
– 2 — Data Link layer;
– 3 — Network layer;
– 4 — Transport layer.
•
Pattern — select standard or user-defined test pattern.
•
User — specify user-defined pattern.
•
Frame — specify frame size.
• Rate — specify required rate (in % ( ), in kbps ( ) or in Mbps
( )).
•
Test duration — specify test duration.
•
Tests topology — switch to Topology menu.
Figure 5.73. Topology menu
Use the Topology menu to specify receiving and transmitting ports. The
same port can be used for both data transmission and receiving (for ex-
ample, with the Loopback feature). If you use asymmetric test function
you must select
Remote as receiving/transmitting port (see section 5.7).
ETS-1000. Operations manual