Threat Protection System Hardware Specification and Installation Guide
35
When the DC power supply has been securely placed in the device, use the following procedure to connect
power to the DC power supply.
1. Locate the ground screw on the back of the chassis.
Refer to the following figure for the location.
Figure 19. DC grounding screw holes
2. Attach a 12 AWG ground wire to the chassis ground strap mounting.
The wire should be crimped with a ring lug.
3. Locate the power input terminal block on the back of the module.
4. Attach the 12 AWG DC power wires to the power input terminal block labeled -48V and RTN.
The power wires should be crimped with lug spades to ensure a secure connection.
5. Connect the other side of the power cable to the SELV power source.
The power source should meet the following requirements:
• Voltage: -40 to -60 V
• 24 - 16 Amps
• SELV
6. Depending on the BIOS settings and the state the device was in when the power was unplugged, the
device might or might not turn on automatically when power is reapplied. If necessary, power on the
device with the button on the front of the chassis.
