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Installation
5
2.0 INSTALLATION
The OpenComms NIC card may be ordered as a factory-installed
option, and it may be installed as a kit for field retrofit to existing Lie-
bert units or as a self-contained unit in its own enclosure.
If ordered as a factory-installed option, proceed to 2.3 - User Connec-
tions for OpenComms NIC.
2.1 Retrofit Kit
As a retrofit kit, the circuit board is secured to a metal mounting
plate. The mounting plate then is attached to a flat metal surface in a
low-voltage section of the Liebert unit.
2.2 Self-Contained Unit
The self-contained model packages the interface card inside a steel
enclosure, for mounting external to the Liebert unit. A low-voltage
transformer is also provided.
Figure 2 Connections
Input Power
(Input to TB3)
Network Port for
NMS and Web access
DTE Serial Port
for Configuration
Modbus Output for BMS
(Output from TB2)
IGMnet or SiteScan
Comms from Unit
(input to TB1)