ADTRAN FT1 User Manual
Page 10
A-4
Section 61245211L1-5, Issue 1
61245211L1-5A
4. LOOP-UP STATE
In the loop-up state, the active FT1 loopback will
provide a continuous loop for the FT1 bandwidth.
The data flow is continuously monitored for the
loop deactivation commands to deactivate the
loopbacks. Also, a loopback timeout is checked. If
the loopback timeout is enabled, any loopback that
is in the loop-up state in excess of the loopback
timeout will be deactivated.
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