Cisco DNCS System Release 2.8.1 3.8.1 4.3.1 User Guide

If you click the SpectroGRAPH button on the Spectrum Control Panel window, a picture of your network topology
appears. The SpectroGRAPH shows all of your network elements, where they reside in the network, and the
working state of each. The following table describes the kinds of graphics you might see in the SpectroGRAPH.

The octagonal graphic with the eye in the center represents
the DNCS.

Double-click the arrow 

to see the topology view for the

DNCS.

Double-click the user graphic 

to see a user editor window

inside of which attributes for the DNCS can be modified.

The color above the eye 

changes to reflect the

working state of the DNCS.

Note: The Spectrum NMS refers to the DNCS as the virtual
network machine (VNM).

Rectangular graphics represent individual network elements,
such as TEDs, BIGs, QAM modulators, IRTs, and QPSK
modulators.

The name of the element appears at the top of the graphic.

The color in the center 

changes to reflect the working

state of the element.

Twelve-sided graphics represent a group of connected
elements, such as headends, hubs, and node sets.

Double-click the arrow 

to see the elements and

connections that make up the group.

The color on the right side of the graphic 

changes to

reflect the working state of the group of elements.

Diamond-shaped graphics represent SONET rings.

 

The color in the center of the graphic 

changes to

reflect the working state of the ring.