Vertivâ„¢ NetSureâ„¢ Control Unit (NCU) User Manual
6 Accessing the Controller via a Network Management
System (NMS)
6.1 General
The controller has an SNMP agent function.
Users can use a Network Management System (NMS) to perform the following operations:
• Query the operation status and input/output signals of the devices connected to the controller.
• Browse the active alarms.
• Set the float voltage.
• Set the battery current limit.
• Read Ah Battery Capacity
• Set Battery Equipment Rated Capacity
When the controller generates alarms, the SNMP agent can be configured to notify the NMS through TRAPS automatically.
6.2 NMS Supported by SNMP Agent
SNMP is a technology used for network management. The technology is based on implementing an information base called MIB
(Managed Information Base). This MIB contains parameters that are of interest from a management perspective. All LAN connected
equipment that supports SNMP also supports a default MIB called MIB-II.
The SNMP Agent responds to requests received via the SNMP protocol and also actively sends TRAPS to a specified manager when
certain MIB values change state. This is used to actively inform a manager when an alarm situation is recognized.
6.2.1 NMS Supported by SNMP v2
The SNMP agent of the controller supports SNMPv2.
All the NMS that supports SNMPv2c can be used to access the controller. The NMS includes HP OpenView, IBM NetView, Novell
ManageWise, SunNet Manager, and so on.
6.2.2 NMS Supported by SNMP v3
The NCU has SSL and SNMP V3 function, which makes the NCU more powerful and more secure.
With SSL, you can browse/set the Webpage with https. If your site requires secure HTTP and you were furnished with an NCU
configuration with secure HTTP, enter https:// and the controller’s IP address and press ENTER. Data is encrypted in the
transmission. You can also browse/set the MIB library with SNMP v3. Data is also encrypted in the transmission.
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