IBM TotalStorage SAN256N Director 2045-N16, Руководство по установке и обслуживанию, Страница: 111 / 157

Chapter 5. Hardware maintenance procedures
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4. Loosen the two captive screws securing the TMF/TFD module to the chassis frame.
Figure 40. TMF/TFD module captive screws
5. Grasp the support tabs, located in the front of the TMF/TFD module, and pulling
forward, remove the module from the chassis frame. There may be some initial
resistance removing the module until the five connectors on the TMF/TFD disconnect
from the Midplane connectors. Place the removed TMF/TFD module ina secure
location for later disposition.
Installing a TMF/TFD module
1. Remove a TMF/TFD module from its packaging and position the module, with the five
connectors facing the Midplane, at the guide rails for the TMF/TFD module.
2. Carefully slide the TMF/TFD module into the chassis opening until the TMF/TFD
module’s five connectors are completely mated with the Midplane connectors.
3. Tighten the two captive screws to secure the TMF/TFD module to the chassis frame.
4. Reinstall the three upper fan assemblies, earlier removed, to the chassis frame and
the TMF/TFD module. Refer to “Upper fan assembly replacement procedure” on
page 87.
5. If external top cabinet fans are installed in the SAN256N director, reconnect the
cables to the TMF/TFD module DB9F connectors.
6. Power up the SAN256N director. Refer to “Applying AC power” on page -41.
7. Close and latch the cabinet rear door, if applicable.
Power supply assembly replacement procedure
Use the following procedures to replace a power supply assembly. If you are installing
an additional power supply assembly when increasing the port count, or to add power
supply redundancy in existing systems, skip ahead to “Installing the Power Supply
Assembly.”
TMF/TFD module
Captive screws
External fan
connector
External fan
connector
Support tabs