Emerson Liebert iCOM Manual De Usuario
Installing a Liebert iCOM Unit-to-Unit Network
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Liebert
®
iCOM
®
Network communication can be configured during system startup by a Liebert-trained technician. For
technical issues contact:
Emerson Technical Service
1050 Dearborn Drive
Columbus, Ohio 43235
Telephone: 1-800-LIEBSRV (800-543-2778)
E-Mail:
1050 Dearborn Drive
Columbus, Ohio 43235
Telephone: 1-800-LIEBSRV (800-543-2778)
E-Mail:
5.3.1 Wiring a Liebert iCOM U2U Network
Small Displays
Two cooling units, each with a small display: To network two cooling units, each with a small
display, connect a crossover CAT5 cable between the P64 connectors on each cooling unit’s Liebert
iCOM input/output board. A network switch is not needed (see Figure 77).
Figure 77 Connecting two cooling units, each with a small display, using a crossover Ethernet cable
Three or more units with small displays: To network three or more cooling units, each equipped
with a small display. Figure 80 shows that one plug of the CAT5 cable is connected to P64A
connector and the other to the network switch. The P64A, which is connected to port P64 on the
control board, is located near it on each cooling unit’s Liebert iCOM input/output board to a common
network switch. The P64A connector is a crossover coupler that on DS, CW and Challenger units.
NOTE
If P64A is not available on a unit, connect directly to the Liebert iCOM board on P64.
If P64A is not available on a unit, connect directly to the Liebert iCOM board on P64.