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FAQ-How to Select a Channel from the TOM Board on the OptiX OSN 6800 When the TOM Board Interconnects with the LDGF Board on the OptiX OSN 1800

Publication Date:  2012-07-25 Views:  38 Downloads:  0
Issue Description

Q:

On the live network, the OptiX OSN 6800 needs to interconnect with the OptiX OSN 1800. For example, both the TOM board on the OptiX OSN 6800 and the LDGF board on the OptiX OSN 1800 need to be deployed with GE services.

Users do not need to configure the mapping relation between services and the ports on the LDGF board. In addition, the RX1/TX1 port on the LDGF board corresponds to ODU1-1 and the RX2/TX2 port on the LDGF board corresponds to ODU1-2. The TOM board functions as a tributary-line board. The mapping relation between the RX/TX ports on the LDGF board and the LP ports on the TOM board must be configured. How to configure the mapping relation for the TOM board?
Alarm Information
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Handling Process

1. Configuration rules: RX1/TX1 to RX4/TX4 (port numbers displayed as 3 to 6 on the NMS) on the LDGF board correspond to channels 1 to 4 on a certain LP port on the TOM board. That means RX1/TX1 (port 3) corresponds to LP1.1, RX2/TX2 (port 4) corresponds to LP1.2, RX3/TX3 (port 5) corresponds to LP1.3, and RX4/TX4 (port 6) corresponds to LP1.4.

2. Take the TOM board working in non-cascading mode as an example. In this case, the RX1/TX1 to RX4/TX4 ports on the TOM board are tributary ports; the RX5/TX5 to RX8/TX8 ports are line ports. Assume that the signal from the LDGF board is dropped by the D40 on the OptiX OSN 6800 and then is sent to RX5/TX5 on the TOM board and that a GE service is dropped by the TOM board through RX1/TX1.

If the LDGF board adds a GE service through its RX1/TX1 port, you need to configure a bidirectional GE service between the RX1/TX1 port on the LDGF board and the LP1.1 port on the TOM board.

If the LDGF board adds an FE service through its RX4/TX4, you need to configure a bidirectional FE service between RX4/TX4 on the LDGF board and the LP1.4 port on the TOM board.

3. The preceding rules indicate that if the LDGF board adds an FE service (TX1/RX1 and TX2/RX2 are always for GE service and TX3/RX3 and TX4 and RX4 are always for FE service), the TOM board cannot use LP ports because an LP port provides only two channels.
Root Cause
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Suggestions
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