Fujitsu ETERNUS DX S4 Series - Connecting Cascade Cables; Figure 4.5 Cascade Cable Connection

Chapter 4 Connection and Settings
4.3 Connecting Cascade Cables
FUJITSU Storage ETERNUS DX, ETERNUS AF Configuration Guide (Power Synchronized Unit)
Copyright 2017 FUJITSU LIMITED P3AM-8012-10ENZ0
53
4.3 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 4.5 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.
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