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marked FAN B POWER. Form and dress the two cables together and check the security
of all of the connections.
To cable the fan assembly, plug a cable onto the shelf on backplane FAN A POWER, and
1.
connector J9.
Tighten the screws on the connector.
When the cable is connected to the backplane route the cable to the top tie-down rod and
2.
secure the cable with a tie-wrap.
Route the cable to the right side of the frame.
3.
Run the cable between the shelf and the traverse arms.
Secure the fan cables to the back side of the traverse arm using tie-wraps.
4.
Plug the other end of the cable onto the fan unit connector marked FAN A POWER.
5.
Tighten the screws on the connector.
The other fan cable plugs into the backplane connector J8.
6.
Tighten the screws on the connector.
Route the cable out to the top tie down rod and secure it using a tie-wrap.
7.
Run the cable down between the shelf and traverse arm.
Secure the cables to the back side of the traverse arms using tie-wraps.
8.
Plug the other end of the cable onto the fan unit connector marked FAN B POWER.
9.
Secure the connector.
6.4.6 Powering Up the Fan Assembly
All fans are fused at 2A (orange) per feed.
After the fan assembly is installed, the powering up process depends on the shelf
1.
location.
a.
b.
c.
d.
e.
f.
Caution:
Do not form the cable with the LIM cables.
Caution:
Do not form FAN POWER cables with LIM cables.
The fuse card located on the Fuse and Alarm Panel are marked FAN A and FAN B,
fuse positions 6, 12, and 18 are marked correct locations on the FAP faceplate.
Fuse position 6 is for the fan unit directly below the x100 shelf.
Fuse position 12 is for the fan directly below the x200 shelf.
Fuse position 18 is for the fan directly below the x300 shelf.
All 890-1038-xx fans are to be fused at 2As, with orange flags, per feed.
Fill out the fuse card completely.
Chapter 6
Fan Assembly Installation and Cabling
6-49
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