2 swapping of boards in failure while power is off – Hitachi GR2000 Series User Manual
Page 280

Hitachi Gigabit Router GR2000 Series Enhanced Version Operations - Device Management Overview
8-18
GR2K-GA-0015
Ver. 07-02
8.3.2
Swapping of Boards in Failure While Power is Off
This subsection explains the procedure for swapping the BCU while the power is off
for maintenance or periodical checkout (see the GR2000 Installation Guide for the
power switch position).
Figure 8-18 summarizes steps for swapping the BCU while the power is off. Details of
each step follow the figure.
Figure 8-18 Steps for Swapping of Standby BCU While Power Is Off
Step 1.
Turn off power of the device:
Step 2.
Remove the target BCU:
Figure 8-19 shows the procedure for removing the BCU.
!
WARNING: If the device is configured with power supply redundancy, the device has
multiple input power sources. In such configuration, be sure to turn off all
power sources in accordance with the GR2000 Installation Guide.
Turn off power of the device.
Remove the target BCU.
Install the new BCU.
Turn on power of the device.
Register the CPU fan swap date, and restart the device.
Ensure the operation status of the standby BCU.
Step 1
Step 2
Step 3
Step 4
Step 5
Step 6