IBM 3745 Series Connection And Integration Manual page 79

Use the following procedure to install LCSs in a rack:
Step 1
Identify the LeB Types
You can identify the two types of LCSs (bases and expansions) by the
different numbering of the ARC slots, and by the connectors on the right
side of the front of the chassis.
L
I
The LCB base (LCBB) has:
• ARC slots labeled +0 through + 14
• Two connectors for the cables to the:
- LlC 11
- LCB expansion.
+0 +1 +2 +3 +4 +5 +6 +7 +8 +9 + 1 0 + 11 + 12 + 13 + 14
0 0 0 0
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0 0 0
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0 0 0 0
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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Lees
Figure 3-8. LCB Base
The LeS expansion (LeSE) has:
• ARC slots labeled +16 through + 30
• One connector for the cable going to the LCS base.
L
+16+17+18+19 +20+21 +22+23 +24+25+26 +27 +28+29+30
o
0 0 0 0 0 0 0 0 0 0 0 0 0 0
rn rn rn rn rn rn rn rn rn rn rn rn rn rn rn
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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LeSE
Figure 3-9. LCB Expansion
3-14
3745 All Models & 3746-900: CIG
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