Operating instructions

Home > SPR1100 Handbook > Installing the Equipment > Site Requirements > DC Power Supply
DC Power Supply
Variants
This Handbook covers two types of DC Base Chassis; a single DC PSU version, and a dual
DC PSU version.
DC Power Connector
Specification
The equipment operates from a -48V DC power supply and is designed for use in ambient
air temperature in the range 0°C to +50°C. There are no links etc. to be altered for
operation from different supply voltages. The full Technical Specification is given in Technical
Specification > Chassis [Host] > Power Supplies.
WARNING!
The following points regarding power connection must be adhered to ensure safe operation
of the equipment.
This equipment is Class 1 and must have a protective earth.1.
The equipment should only be operated from the type of power source indicated on the
marking label. If you are not sure of the type to your business, consult your appliance
dealer or local power company. Do not overload wall outlets and extension cords as this
can result in a risk of fire or electric shock.
2.
The equipment is not fitted with an DC Power On/Off switch. Ensure the supply socket3.
4.