Fujitsu ETERNUS AF S3 Series - Connecting Cascade Cables; Figure 15 Cascade Cable Connection

4. Connection and Settings
Connecting Cascade Cables
FUJITSU Storage ETERNUS AF, ETERNUS DX Configuration Guide (Power Synchronized Unit)
Copyright 2019 FUJITSU LIMITED P3AM-8012-14ENZ0
51
Connecting Cascade Cables
When two power synchronized units are cascaded, use the cascade cable to connect the power synchronized
units.
Cascade cables must be purchased separately.
A connection figure for the cascade cable is shown below.
Figure 15 Cascade cable connection
• When the power synchronized units are cascaded, the unit that is connected to the server UPS unit is "power
synchronized unit#0".
• Do not attach a branch connector or a termination resistor to the CASCADE port or the AC SENSOR port. Doing
so makes operations unstable.
CAUTION
Do
• When connecting external (signal, power, etc.) cables, avoid placing stress on
them. Not doing so may damage the cables.
Do Not
• Do not forcibly bend or fold the cable. Doing so may damage the cable and cause
the power synchronized unit to malfunction.
Power synchronized unit#1
Power synchronized unit#0
Server#0
UPS unit for
Server#0
Server#1
UPS unit for
Server#1
Cascade cable
(optional)
Power cord (for AC sensor)
AC SENSOR port
CASCADE port
SENSOR ports
90
Do not bend
more than 90 degrees
Do not fold