Black Box LMC5233A, LMC5208A-R2, LMC5207A-R2 manual DC Power Wiring, Replacing Power Supply and Fans

8.Reliable Grounding - Reliable grounding of Rackmounted equipment should be maintained. Particular attention should be given to supply connections other than direct connections to the branch circuit (e.g., use of power strips).

9.All AC and DC versions are intended for use in a Restricted Access Location (RAL).

DC Power Wiring, Replacing Power Supply and Fans

DC Power Supply Wiring Instructions

The following diagram shows the wiring configurations for -48 VDC power supply for the 6- Slot Rackmount or Desktop.

User-Replaceable Power Supplies

The 6-Slot Rackmount/Desktop Chassis ships from Black Box with one or two power supply installed depending on the model. Chassis ordered with one power supply come with a filler tray installed in the second slot.

To install a second power supply:

1.Remove the filler tray.

2.Slide the power supply module into the chassis and click into place.

3.Attach power cord.

To remove a power supply module:

1.Disconnect the power source from the power supply.

2.Move the Power Supply Release switch toward the right and hold while grasping the power supply module by the silver handle.

3.Slide out of the chassis. (Power supply modules are hot-swappable.)

4.Install new power supply module.

Fans

Users can define a threshold for fan operation via SNMP (when installed in a managed environment). If a fan’s speed falls below the specified level, SNMP sends a trap (configured

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