Figure 40 Frontend Cable Connection Example (When Connecting Four Des For Each Node In A 19-Inch Rack [2000Mm]); Table 20 Required Cable Length/Quantity (When Connecting Three To Four Des Per Node) - Fujitsu ETERNUS DX8100 S3 Site Planning Manual

2. Rack Installation Specifications
Rack Installation Requirements
■
Installing Three to Four DEs for Each Node
This section describes the required (estimated) length of cable for configuring three or four DEs connected to
each node with 12 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
•
and CE#3 in the first expansion rack (or Expansion Rack#0).
A 10m or longer cable is required between the FE and the CE#4 in the first expansion rack (or Expansion
•
Rack#0).
A 10m or longer cable is required between the FE, and the CE#5 to CE#B in the second and later expansion
•
racks (or Expansion Rack#1 and later).

Table 20 Required Cable Length/Quantity (When Connecting Three to Four DEs per Node)

Cable length
Cables that are supplied as standard (1.1m/3m)
Frontend cables (3m/3m)
Frontend cables (3m/5m)
Frontend cables (10m/10m)
*1: The required quantity varies depending on the number of CEs that are to be connected.
Figure 40 Frontend Cable Connection Example (When Connecting Four DEs for Each Node in a 19-inch Rack
[2000mm])
Base rack (rear)
DE
DE
DE
DE
CE#1
DE
DE
DE
DE
CE#0
FE
PDU#5
PDU#4
PDU#3
PDU#2
PDU#1
PDU#0
QSFP copper cable (supplied as standard)
1.1m
QSFP copper cable (for extensions)
3m
QSFP active optical cable (for extensions)
10m
FUJITSU Storage ETERNUS DX8100 S3/DX8700 S3/DX8900 S3 Hybrid Storage Systems Site Planning Guide
Quantity (*1)
One set (supplied as standard)
Up to one set
Up to two sets
Up to eight sets
Expansion rack#0 Expansion rack#1
DE DE
DE DE
DE DE
DE DE
CE#4 CE#7
DE DE
DE DE
DE DE
DE DE
CE#3 CE#6
DE DE
DE DE
DE DE
DE DE
CE#2 CE#5
PDU#5 PDU#5
PDU#4 PDU#4
PDU#3 PDU#3
PDU#2 PDU#2
PDU#1 PDU#1
PDU#0 PDU#0
Copyright 2020 FUJITSU LIMITED
Connection destination
For CE#0
For CE#1
For CE#2 to CE#3
For CE#4 to CE#B
Expansion rack#2 Expansion rack#3
DE
DE
DE
DE
CE#A
DE
DE
DE
DE
CE#9
DE DE
DE DE
DE DE
DE DE
CE#8 CE#B
PDU#5
PDU#4
PDU#3 PDU#3
PDU#2 PDU#2
PDU#1 PDU#1
PDU#0 PDU#0
Management cable (supplied as standard)
3m
Management cable (for extensions)
3m
5m
Management cable (for extensions)
10m
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