Table 3. Wan Led On The Atimg646Bd-On; Table 4. Wan Led On The Atimg646Px-On - Allied Telesis AT-EN646 Installation Manual

Chapter 1: Overview
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The operation of the WAN LED varies depending upon the unit, as
described in Table 3 and Table 4.

Table 3. WAN LED on the ATiMG646BD-ON

State Description
Off A WAN link has not been established.
On A WAN link has been established.

Table 4. WAN LED on the ATiMG646PX-ON

State Description
Off No optical signal detected.
Solid Amber An optical signal has been detected.
Solid Green The unit has been registered by OLT.