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enough spare length of the cable between the rear side of the server and the
first hanger bracket, and on the front side of the cable management arm:
a. Route the cable connected on port 1 of node 1 through the hanger
brackets on the cable management arms.
b. Route the cable connected on port 2 of node 1 through the hanger
brackets on the cable management arms.
c. Route the cable connected on port 2 of node 2 through the hanger
brackets on the cable management arms.
4. Ensure each server can be pulled out fully at the front of the rack and the
scalability cables are clearly routed.
4.6.3 Four-node configuration
A four-node configuration requires five 3.08 m (9.8 feet) and one 3.26m
(10.7 feet) ScaleXpander cables. The cable diagram is shown in Figure 4-16 on
page 217.
One 3.0 m cable is included with every the x3950 M2 or the ScaleXpander
Option Kit (for upgraded x3850 M2s). The fifth longer (3.26 m) cable is included
in the IBM Scalability Upgrade Option 2 Kit. These kits are described in Table 4-1
on page 202.
216
Planning, Installing, and Managing the IBM System x3950 M2
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