Line board on Huawei OSN 800 is Offline

This section describes the possible causes and handling methods of a board that is offline on the U2000.

Fault Description

40G line board NS3 on Huawei OSN 8800 is offline and unavailable on the U2000 while the other boards are online.

NS3 reports the BD_STATUS alarm.

Impact on the System

NS3 cannot be managed or communicated with.

Possible Causes

• Cause 1: The slot that houses the board is faulty.
• Cause 2: The board is faulty.

Tools, Equipment and Materials

U2000

Procedure

• Cause 1: The slot that houses the board is faulty.
  1. Reseat Huawei 40G line board NS3 to check whether the fault is removed.
  2. If the fault persists, change the slot that houses the board.
• Cause 2: The board is faulty.
  1. Replace the faulty board.