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LOOPBACK PROCESS DESCRIPTION
Summary: The HDSL loopback process is similar to other T1 intelligent repeater methods. For Version D and later HLX modules, the HLXC loopback is like an intelligent office repeater loopback. The HLXR loopback and HRX loopback are like an intelligent inline T1 repeater loopback.
The HDSL loopback operation is described by the diagram in Figure
•Disarmed
•Armed
•Loopup
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ARM |
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| ARMED |
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ACTIVATION |
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DEACTIVATION
LOOPUP
STATE
LOOPUP
DISABLE
LOOPUP/NO
STATE
Figure
Inband and ESF data link sequences and
•Arming sequence (inband or ESF data link)
•Activation sequence
•Deactivation sequence
•Disarming sequence (inband or ESF data link)
•Loopup
•Arming
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