Viavi MTS 4000 Base Unit, Руководство пользователя

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Chapter 9 Ethernet TE Testing
Connecting to the line
138 User Manual 77000000206 Rev. 007
You are finished specifying test settings.
Connecting to the line
After specifying the test settings, you can connect to the line.
To connect to the line
1 Connect one end of an Ethernet cable to the Ethernet jack on the
top of the unit.
2 Connect the other end of the cable to an Ethernet jack. If connecting
to a PC, use a cross-over cable.
Running a cable test
Before testing 10/100/1000 electrical Ethernet, IP, or TCP/UDP, you can
use the Product Name/Family Brand to examine the state of the cables
used to transmit 10/100/1000 electrical signals. Typically this involves
out-of-service testing to determine the link status, the pair assignments
for 1000M links, the polarity for each pair, and the pair skew. If the link is
inactive, you can use the Product Name/Family Brand to determine the
nature of the fault.
Server Port Enter the port number for the STUN server
Client Port Enter the client port number.
NAT Refresh Specify the NAT refresh rate. This is the
number of seconds between messages to
the STUN server to keep the NAT mapping
alive.
Setting Description
NOTE:
If STUN is enabled, the network layer will not come up until the STUN
client on the Product Name/Family Brand has determined the type of
NAT used between the Product Name/Family Brand and the STUN
server.