Xtramus NuBAR-1000 V1.4 - Manual (Page 23)

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4.1.4 For Network Infrastructure
To test the transmission quality between two network locations that is connected by multiple
network equipments such as Ethernet Switches, Network Server, connect two ends of the
network device to a pair of NuBAR-1000. The figure below illustrates the transmission test
between location A and B.
Note: NuBAR-1000 is test equipment of layer 2 packet. Devices that can not forward layer 2
(MAC based) packet are not suitable for the test. Network such as Internet runs layer 3 protocols
is not suitable for the test. It is applicable for ADSL test for cable wiring business. The connection
between CO (central office) and the CPE (ADSL modem) apply layer 2 Ethernet.
4.1.5 For Mesh Network
As the rotary function switch introduced above, NuBAR-1000 is able to do mesh connection test.
Lord sends test packets to the 1
st Servant, then the 1 st Servant forward packets to 2 nd Servant.
Repeat the procedure until the packets returns to Lord finally.
The application below applies to six locations of network infrastructure.
A
B