When not using iview, Using the mcimcv2c.mib, Power supply – B&B Electronics 850-10953-DC - Manual User Manual
Page 16: Dc power supply wiring instructions

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When Not Using iView²
When using an application other than iView² for management, integrate the SNMP
vendor files (a.k.a. MIBs) into the application. The SNMP agent uses the following
Enterprise-specific MIB file and standard MIBs, which can be found in the MIB
directory on the CD included with the iMediaChassis/3: MCIMCV2C.MIB Enterprise-
specific information for the agent. For example, configuration information, port type
information, link status, etc.
Using the MCIMCV2C.MIB
Refer to the management software documentation for information on how MIB files
are integrated into the software.
Power Supply
The iMediaChassis/3 ships with one or two AC or DC power supplies, or one of each,
depending on the model.
DC Power Supply Wiring Instructions
The following image shows the wiring configuration for a Telco application of -48
VDC power supply for the iMediaChassis/3.
NOTE
Incorrect wiring will result in chassis malfunction.
The iMediaChassis/3 is compliant with Isolated Grounding Plane practices. The
POSITIVE and NEGATIVE terminals are isolated from chassis ground and must have a
ground reference at the power-sourcing equipment.