13
!
To avoid bodily injury or switch damage, strictly follow the procedures in Figure 16 and Figure 17
to install and remove a power supply.
• You must provide a circuit breaker for each power supply.
Figure 16 Installation procedure
Figure 17 Removal procedure
To prevent damage to the power supply and the connectors on the backplane, insert the power
supply gently. If you encounter a hard resistance when inserting the power supply, pull out the
power supply and insert it again. Make sure the power supply has a good contact with the
connectors.
When the switch has two power supplies working in 1+1 redundancy,
removing one power supply
does not affect system operation. If the switch has only one power supply, removing the power
supply causes power down of the switch.
If you are not to install a new power supply after removing the old one, install a filler panel in
slot in time.
• Use a torque of 5 kgf-cm (0.49 Nm) to fasten the captive screws on a power supply.
Installing/removing a power supply (1)
This section applies to the CA-70A12, PSR75-12A, and PSR150-D1 power supplies, which use a
similar installation/removal procedure. A PSR75-12A power supply is used as an example.
Installing a power supply
1. Wear an ESD wrist strap and make sure it makes good skin contact and is reliably grounded.
2. Remove the filler panel from the target power supply slot as follows:
a. Remove the screws from the filler panel.
b. Use a flathead screwdriver to remove the filler panel.
安装电源模块
连接电源线
给电源模块加电
安装电源模块
连接电源线
给电源模块加电
安装电源模块
连接电源线
给电源模块加电
Install the power supply
Connect the power cord
Turn on the circuit
breaker
将电源模块断电
拆卸电源线
拆卸电源模块
将电源模块断电
拆卸电源线
拆卸电源模块
将电源模块断电
拆卸电源线
拆卸电源模块
Turn off the circuit
breaker
Remove the power cord
Remove the power
supply
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