Wiring A Liebert Icom ® U2U Network; Figure 91 U2U Network Setup Diagram - Emerson Liebert CRV User Manual

24-inch wide, air-cooled, water/glycol-cooled and chilled water
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11.3
Wiring a Liebert iCOM
A network switch is required to enable Ethernet unit-to-unit communication on one or more Liebert
CRV's. Each Liebert CRV requires two straight-through Ethernet cables from a network switch. One
cable connects to port P64 on the Liebert iCOM input/output board and the other straight-through
cable connects to the P64 port on the back of the large display (see Figure 92).

Figure 91 U2U network setup diagram

Display Service /Network
Liebert iCom Display Menu
IP Address: 192.168.254.033
U2U Address: 33
Group #: 1
---------------------------------------
Display Service /Network
Liebert Cooling Unit
Control Board Menu
IP Address: 192.168.254.001
U2U Address: 1
Group #: 1
®
Liebert
CRV
®
U2U Network
Liebert Cooling Unit
with Large Liebert
iCOM Display
Display Service/Network
Liebert iCom Display Menu
IP Address: 192.168.254.035
---------------------------------------
Display Service/Network
IP Address: 192.168.254.003
Display Service/Network
Liebert iCom Display Menu
IP Address: 192.168.254.034
U2U Address: 34
Group #: 1
---------------------------------------
Display Service/Network
Liebert Cooling Unit
Control Board Menu
IP Address: 192.168.254.002
U2U Address: 2
Group #: 1
Network
Switch
U2U Address: 35
Group #: 1
Liebert Cooling Unit
Control Board Menu
U2U Address: 3
Group #: 1
98
Operation in Teamwork Mode
Liebert Cooling Unit
with Large Liebert
iCOM Display
Liebert Cooling Unit
with Large Liebert
iCOM Display

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