Tag Archives: OSN6800

How to Use the LDMD Board to Configure Intra-Board 1+1 Protection Fails?

Using the LDMD board to configure intra-board 1+1 protection fails due to the system limit. The system displays a message “The optical port number exceeds the limit.” Product OptiX OSN 6800 OptiX OSN 3800 Fault Type Protection Optical Transponder Unit Symptom When the LDMD board is used to configure intra-board 1+1 protection on the OptiX… Read More »


TD Alarms Falsely Reported by Some Boards Using Pluggable Optical Modules in WDM Products

  Keywords: WDM products, OptiX OSN 8800 Summary: If no intra-board cross-connection from the WDM side to the client side is configured for boards that support intra-board cross-connections, these boards may falsely report TD alarms when their optical port lasers are turned on. [Problem Description] Trigger conditions: The problem occurs on a board when the following… Read More »

How to do when Abnormal Optical Power Reporting Caused by the Coupling Exception

Keywords: WDM products, OptiX OSN 6800, OptiX OSN 8800 Summary: When fibers on boards that use the HXFP8240, HXFP8440, or HXFP8441 pluggable module are being removed or inserted, the reported optical power at the receive end is sometimes lower than the actual optical power.   [Problem Description] Trigger conditions: The problem occasionally occurs when customer… Read More »

LSR_WILL_DIE Alarm of the WDM OTU Board Caused by Bookham Laser

Abstract: The 10G optical transponder unit (OTU) boards that are delivered before August 2011 use the Bookham laser on the WDM (OptiX BWS 1600G, BWS 1600S, Metro 6100,OptiX OSN 8800,OSN6800)side. After the boards have worked for one and half a year, the LSR_WILL_DIE alarm was reported on the WDM side for 0.43% of boards, and the alarm… Read More »

Do you know there is a Fuse on your OSN6800 WSS board?

Precautions: 1. Before performing the rectification, confirm the rectification plan and material supply plan with the product line contacts. 2. Rectify the affected networks without protection with preference. 3. For long-term failure of components, preferentially rectify the boards that were delivered between 2008 and 2009. [Problem Description] This notice applies to the following ROADM boards… Read More »