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– After the last tailgate insert (the one clamping the cables for the left side of the frame), install one or
more foam block tailgate inserts into the open slots (refer to Figure 6 on page 170)
Note: Do not connect any switch cables to the nodes until instructed to do so.
After the preliminary steps are complete for cabling the right side of the frame:
1. Sort the switch cables into groups based on node and SNI port location, but do not clamp or connect
cables until instructed to do so. An overview of the next few steps is as follows:
a. Switch cables will be clamped into the tailgate in groups of either four or two
b. The nodes in frame slots 8 and 7 will be cabled first and clamped into tailgate slot 8, 9, or 10
v The tailgate slot number is dependent on the number of I/O cables or foam block tailgate
inserts used
c. Switch cables for nodes in frame slots 6 and 5 get clamped into the next available tailgate slot
d. Continue this cable pattern working down the frame and clamping to the right in the tailgate
2. Before routing the switch cables, position the HMC, Ethernet, and I/O cables but do not clamp these
cables into the tailgate until instructed to do so
a. Route the HMC and Ethernet cables to the appropriate nodes and connect each cable
v Make certain the HMC and Ethernet cables do not interfere with the SNI ports
b. Wire tie the HMC and Ethernet cables into a bundle running down the right side of the frame
c. If the nodes require I/O cables, route them to the appropriate nodes and connect each cable
v Make certain the I/O cables do not interfere with the SNI ports
d. Wire tie the I/O cables into a bundle running down the right side of the frame
3. Without plugging the switch cables into the SNI ports, take the switch cables for the node in frame
slot 8 and raise them into position
a.
Check the cable labels and verify that you have the correct cables for each SNI port
b. Make certain that the cable for the upper SNI port extends further than the cable for the lower SNI
port
c. Place the wire tie far enough down the cable set so that the cables will have sufficient length for a
gentle bend radius
d. Wire tie the cables together
4. Insert a wire tie into the tie base on the node shelf for frame slot 6 and loosely cinch the wire tie
around the switch cables for frame slot 8
5. Let the switch cables for the node in frame slot 8 hang from the wire tie
6. Repeat step 8 for the node in frame slot 7
7. Insert a wire tie into the tie base on the node shelf for frame slot 5 and loosely cinch the wire tie
around the switch cables for frame slot 7
8. Let the switch cables for the node in frame slot 7 hang from the wire tie
9. Clamp the switch cables for the nodes in frame slot 8 and 7 into the tailgate using a rubber-faced,
tailgate insert with the appropriate thickness of rubber (refer to Figure 4 on page 165)
10. Lift the switch cables for node in frame slot 8 and tighten the wire tie onto the tie base
11. Connect the switch cables to the SNI ports on the node in frame slot 8
12. Lift the switch cables for node in frame slot 7 and tighten the wire tie onto the tie base
13. Connect the switch cables to the SNI ports on the node in frame slot 7
14. Repeat steps 8 through 13 for the nodes in frame slots 6 and 5
v The wire tie for the node in frame slot 6 uses the tie base mounted on the node shelf for frame slot
4
v The wire tie for the node in frame slot 5 uses the tie base mounted on the node shelf for frame slot
3
15. Clamp the switch cables for the nodes in frame slot 6 and 5 into the next available tailgate slot using
a rubber-faced, tailgate insert with the appropriate thickness of rubber
16. Repeat steps 15 through 18 for the nodes in frame slots 6 and 5
168
Eserver pSeries 655 Installation Guide
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