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8. Test and Maintenance Diagnosis
8.2 Wiring method
■ Wiring required for external loopback check (No. 4)
Figure 8-1 shows the wiring required for external loopback check.
LQE540-E
J.NET
A
B
Connect the A terminal of N1 (NET1) to that of
N2 (NET2), then the B terminal of N1 (NET1) to
that of N2 (NET2). There is no need to connect
the SG and SHD terminals to each other.
Figure 8-1 Wiring required for external loopback check
8-2
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