Connecting the Power Supply to the DC Source Voltage
The DC power connection at your facility must be made by a qualified electrician, following the
appropriate instructions:
•
Connect the Power Supply to the DC Source Voltage (–48 V)
on page 55
•
Connect the Power Supply to the DC Source Voltage (+24 V)
on page 57
Warning
Always make sure that the DC circuit is de-energized before connecting or disconnecting the
DC power cables on the 300 W DC power supply.
Caution
Provide proper connection and strain relief on the DC power cables in accordance with all
local and national electrical codes.
Connect the Power Supply to the DC Source Voltage (–48 V)
To connect the DC power input cables on the Model 10933 or 10934A power supplies to a –4 source,
follow these steps:
1 Verify that the DC circuit is de-energized.
2 Attach an ESD-preventive wrist strap to your bare wrist and connect the metal end to an
appropriate ground point on the rack.
3 Slide the cover off the terminal block.
Installing an E4G Series Router
E4G Routers Hardware Installation Guide
55