Fujitsu PRIMERGY CX2550 M6 Upgrade And Maintenance Manual page 208

Liquid cooling (LC)
Figure 144: Connecting the LC power cables
▶ Connect the LC power cables as follow:
▶ Connect the cable for PUMP_1 to the connector PUMP_1 on the system
board (see circles).
▶ Connect the cable for PUMP_2 to the connector PUMP_2 on the system
board (see circles).
Concluding steps
▶
"Installing the memory slot air ducts for liquid cooling (only CX2550 M6)" on
page 56.
▶
"Installing a riser module" on page
▶
"Installing the CX2550 M6 or CX2560 M6 server node" on page
▶ If applicable, reconnect all external cables.
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Upgrade and Maintenance Manual
57.