Alcatel-Lucent OmniSwitch 6250-M - DC Power Specifications

OmniSwitch 6250 Series Hardware Users Guide September 2009 page 2-29
Preliminary
9/28/09
DC Power Specifications
OS6250-24MD Internal DC Power Supply
The internal DC power supply has the following additional considerations. Refer to the installation steps
described in “DC Power Supply Considerations” on page 3-22
• Connect to a -48V or -60V reliably grounded DC SELV source.
• Use common DC return connections for the DC power supplies. The DC return terminal conductor
should be connected to the equipment frame.
• The Branch Circuit Overcurrent Protection must be rated a Maximum of 15A.
• Use 12AWG solid copper conductors only.
• A readily accessible disconnect device that is suitably approved and rated shall be incorporated in the
field wiring.
Twisted pair wire (red and black) for a DC power supply
Backup DC Power Brick
The backup DC power brick has the following additional considerations. Refer to the installation steps
described in “DC Power Supply Considerations” on page 3-22
• Connect to a -48V or -60V reliably grounded DC SELV source.
• Use common DC return connections for the DC power supplies. The DC return terminal conductor
should be connected to the equipment frame.
• The Branch Circuit Overcurrent Protection must be rated a Maximum of 5A.
• Use 22AWG solid copper conductors only.
• A readily accessible disconnect device that is suitably approved and rated shall be incorporated in the
field wiring.
Twisted pair wire (red and black) for a DC power supply
MIN 1 TURN PER 1.5
HALF TURN PER .75
Black
Red
MIN 1 TURN PER 1.5
HALF TURN PER .75
Black
Red