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Installing 11 to 12 DEs for Each Node
This section describes the required (estimated) length of cable for configuring 11 or 12 DEs connected to each
node with four CEs installed.
•
The supplied cable can be used for connecting between the FE and CE#0.
•
A 3m or longer QSFP cable and a 5m or longer management cable are required between the FE, and the CE#1
in the first expansion rack (or Expansion Rack#0) and CE#2 in the second expansion rack (or Expansion
Rack#1).
•
A 10m or longer cable is required between the FE and the CE#3 in the third expansion rack (or Expansion
Rack#2).
Table 29 Required Cable Length/Quantity (When Connecting 11 to 12 DEs per Node)
Cable length Quantity (*1) Connection destination
Cables that are supplied as standard (1.1m/3m) One set (supplied as
standard)
For CE#0
Frontend cables (3m/5m) Up to two sets For CE#1 to CE#2
Frontend cables (10m/10m) Up to one set For CE#3
*1: The required quantity varies depending on the number of CEs that are to be connected.
Figure 48 Frontend Cable Connection Example (When Connecting 12 DEs for Each Node in a 19-inch Rack [for GS,
1800mm])
Base rack (rear) Expansion rack#0
FE
CE#0
DE
DE
DE
DE
DE
DE
CE#1
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
PDU#3
PDU#2
PDU#3
PDU#2
PDU#1
PDU#0
PDU#1
PDU#0
DE
DE
Expansion rack#1
CE#2
CE#3
DE
DE
DE
DE
DE
DE
DE
DE
PDU#3
PDU#2
PDU#3
PDU#2
PDU#1
PDU#0
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
Expansion rack#2
DE
DE
PDU#1
PDU#0
DE
DE
DE
DE
DE
QSFP copper cable (supplied as standard) Management cable (supplied as standard)
1.1m 3m
QSFP copper cable (for extensions) Management cable (for extensions)
3m 5m
QSFP active optical cable (for extensions) Management cable (for extensions)
10m 10m
2. Rack Installation Specifications
Rack Installation Requirements
71
FUJITSU Storage ETERNUS DX8100 S3/DX8700 S3/DX8900 S3 Hybrid Storage Systems
Site Planning Guide
Copyright 2020 FUJITSU LIMITED
P3AM-9422-13ENZ0
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