EXFO ETS-1000G - Manual (Page 60)

Asymmetric Test
50 ETS-1000G
Testing Example
To perform measurement in the direction from remote device to
local, do the following:
1. Make sure that the local and remote device support asymmetric test
function: in the ETS-1000G. Setup > Device settings > Options menu
list of options should contain XAT option.
2. Connect the local and remote device according to the scheme shown
in the image.
3. On the local and remote device switch to the ETS-1000G. Setup >
Network Setup menu and set:
Interface - Test
One of the following methods specify the IP address of local device (IP
1) and remote device (IP 2):

set IP address manually;

receive IP address via DHCP.
4. On the local device switch to the BERT > Setup > Topology menu.
Set:
Remote IP - IP 2
Direction - Downstream
5. On the local device switch to the BERT > Setup > Header menu.
Set:
Src MAC - MAC 2
Dst MAC - MAC RN
Src IP - IP 2
Dst IP - IP 1
6. According to the section BERT on page 77, on the local device it is
necessary to perform BER test settings. Then switch to the BERT menu
and press
(Start) button.
Note: After pressing the Start button a messages similar to the listed on page 48
can be displayed on the screen of the local and remote device.