H3C AR 46 Series Routers Installation Manual
Chapter 6 Maintaining Hardware
6-1
Chapter 6 Maintaining Hardware
When maintaining router hardware, note that:
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On a mounting screw of your router chassis, there is an anti-dismantle seal of H3C
Technology. You must keep it in good condition when asking your sales agent for
servicing. You can open the chassis yourself but with permission of your sales
agent and must operate following the related rules. The company is not liable for
any damage or consequence resulted from users' operation without permission.
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Do not replace the hardware unless necessary and under the guidance of
technical staff.
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Ensure that no electricity is present before servicing the device to avoid bodily
injuries and device damage.
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Wear an ESD-preventive wrist strap when servicing the device, making sure it has
good skin-contact.
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Use the SDRAMs provided by H3C Technology only. Otherwise, anomalies might
occur to the device.
6.1 Preparing Tools
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ESD-preventive wrist strap and ESD-preventive glove
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Static shielding bag
6.2 Removing/Installing PSUs
The AR 46 series supports 1+1 power redundancy. The PSUs are hot-swappable.
6.2.1 Removing a PSU
Figure 6-1
Remove a PSU
Take these steps to remove a PSU, as shown in Figure 6-1:
