9500 MXC User Manual
3DB 23063 ADAA - Rev 004 July 2007 Vol. VI-A-21
Commissioning and Troubleshooting a Ring
Network
Guidelines are provided to confirm correct ring network operation.
A pre-requisite is to confirm that all links on the ring are:
• Operating error-free
• Correctly configured for NMS networking
• Correctly configured for traffic circuits
During installation each link should be installed and configured using data
prepared at the ring planning stage. A master reference must be prepared, as
recommended in Planning a Ring Network on page A-4
Once all links in the ring have been installed and configured, correct ring
operation can confirmed using the following procedures, which are based on a
CT connection (Ethernet NMS cable connection) at one node on the ring.
Refer to:
• Ring Node Visibility on page A-21
• Integrity of Individual Ring Links on page A-22
• Integrity of the Ring and Ring Circuits on page A-22
• Confirming Ring Wrapping and Unwrapping on page A-23
Ring Node Visibility
Use CT to log on to all nodes in the ring. (You will need the IP address for each
node)
Maintain connection to all nodes.
• If all nodes are visible, it indicates:
• NMS IP addressing and routing is OK.
• A normal unwrapped ring, or a wrapped ring with only one link inoperative.
To confirm normal ring operation, check the System Summary screen for
each node.
• If some nodes are not visible:
Screens may be layered, and brought to the front by clicking, or two or more
screens may be set side-by-side for viewing. Where necessary, drag a corner of a
screen to resize.
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