Fujitsu ETERNUS DX8100 S3, Site Planning Manual

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Installing Seven to Eight DEs for Each Node
This section describes the required (estimated) length of cable for configuring seven or eight 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 cable is required between the FE and CE#1 that are installed in the same rack.
• A 3m or longer QSFP cable and a 5m or longer management cable are required between the FE, and the CE#2
in the first expansion rack (or Expansion Rack#0) and CE#3 in the second expansion rack (or Expansion
Rack#1).
Table 27 Required Cable Length/Quantity (When Connecting Seven to Eight 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/3m) Up to one set For CE#1
Frontend cables (3m/5m) Up to two sets For CE#2 to CE#3
*1: The required quantity varies depending on the number of CEs that are to be connected.
Figure 46 Frontend Cable Connection Example (When Connecting Eight 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
CE#2
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
DE
PDU#3
PDU#2 PDU#3
PDU#2 PDU#3
PDU#2
PDU#1
PDU#0 PDU#1
PDU#0
Expansion rack#1
DE
DE
DE
DE
PDU#1
PDU#0
DE
DE
DE
DE
CE#3
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 3m
5m
2. Rack Installation Specifications
Rack Installation Requirements
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FUJITSU Storage ETERNUS DX8100 S3/DX8700 S3/DX8900 S3 Hybrid Storage Systems Site Planning Guide
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