d
Spooling Fibers in the Fiber Management Tray
Variable optical attenuator
With no attenuator used (the optical fibers connected to the
optical interface board are on the same side of the cross-
connect and timing board)
With no attenuator used (the optical fibers connected to the
optical interface board are on different sides of the cross-
connect and timing board)
With the attenuator used (the optical fibers connected to the
optical interface board are on the same side of the cross-
connect and timing board)
Variable optical attenuator
With the attenuator used (the optical fibers connected to the
optical interface board are on different sides of the cross-
connect and timing board)
10