Alcatel-Lucent OmniSwitch 6250-M Hardware User's Manual page 78

Connecting Chassis to Power Source
OS6250-24MD Internal DC Power Supply Connections
The internal DC power supply has the following additional considerations. Refer to the installation steps
described in "OS6250-24MD Internal DC Power Supply Connections" 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.
Backup DC Power Brick Connections
The backup DC power brick has the following additional considerations. Refer to the installation steps
described in "OS6250-24MD Internal DC Power Supply Connections" 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.
Black
MIN 1 TURN PER 1.5
HALF TURN PER .75
Red
Note. Refer to the wiring diagram for information on connecting the DC power supply to a DC power
source.
page 3-22
Preliminary
9/28/09
Twisted pair wire (red and black) for a DC power supply
OmniSwitch 6250 Series Hardware Users Guide
Mounting OS6250 Switches
September 2009