The Liebert® RDU-A intelligent monitoring hardware is an intelligent monitoring platform from Emerson Network Power that allows data center administrators to combine monitoring of the equipments, environment and safety of the facility altogether. Its flexible structural design enables the user to customize configurations according to the specific requirements of the IT infrastructure operations.
|Application location||In data center or computer room, with air conditioner|
|Working temperature||-10ºC ~ +50ºC Relative humidity 5%RH ~ 95%RH, no condensing|
|Working environment||Dust: compliant with the indoor requirements of GR-63. No corrosive gas, ammable gas, oily mist, steam, water drops or salt|
|Air pressure||70kpa ~ 106kpa|
|Storage temperature||-40ºC ~ +70ºC|
|Power distribution network||TT/TN|
The Liebert ® RDU-A serves as the communication gateway for the equipment and the Liebert ® RDU-M solution. It intelligently collects and communicates data and commands, giving IT administrators a comprehensive view of what’s happening at the equipment level of the facility.
High Level Protocol Management:
1. Modbus 485 Communications
Maximum of 16 devices in an RDU module
Each COM port can support 4 daisy chain connection (need to be same device)
2. SNMP Communication
Maximum of 8 SNMP devices can be attached to 1 RDU module
•Maximum of only 16 devices can be attached to 1 RDU module. This can consist of all Modbus 485 communication or a combination of 8 SNMP and 8 Modbus 485
•If communication to 3rd party device, will need to get SNMP MIB File for SNMP comms and Modbus Reference Library for Modbus Comms to build driver. This will incur additional charges.
Default backup time