27
Figure 22 Removing a DC power cord
2.
Holding the handle on the power module with one hand, press the retaining latch on the power
module to the right with your thumb, and pull the power module part way out of the slot.
3.
Supporting the power module bottom with the other hand, slowly pull the power module out of
the slot.
4.
Put the removed power module into an antistatic bag.
5.
Install a new power module. For the installation procedure, see "
Figure 23 Removing the DC power module
Replacing an MPU or an interface module
CAUTION:
•
You can hot swap an MPU only when the F5030-D/F5060-D/F5080-D has two MPUs.
•
Interface modules are not hot swappable.
The replacement procedure is the same for MPUs and interface modules. This section uses the
interface module NSQM1GP8A as an example.
To replace an interface module:
1.
Power off the firewall.
2.
Use a Phillips screwdriver to loosen the captive screws on the module.
3.
Holding the ejector levers of the module with both hands, pull the ejector levers outward, and
pull the module part way out of the slot along the guide rails.
4.
Supporting the bottom of the module with one hand, use the other hand to gently pull the
module out of the slot.
5.
Put the removed module on an antistatic workbench or into an antistatic bag with the circuit
board facing upward.
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