Chapter 1 Getting Started
Test scenarios
HST-3000 Ethernet Testing User’s Guide
17
If you are testing on an unswitched network, you establish a
hard loopback at the far end of the circuit, and then transmit
and loop traffic back to the HST for analysis. See
Figure 10.
If you are testing on a switched network, a second HST, or
another JDSU Ethernet test set (such as the SmartClass
Ethernet Tester, FST-2802, or MTS-8000 Transport Module)
must be connected to the network at the far end, and a soft
Figure 10 Hard loopback
Transport
Network
Location A
Access Element
Location B
Access Element
HST-3000
R/T 2R/T 1
Rx Tx Rx Tx
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