Installation guide

2-47

Cisco IGX 8400 Series Installation Guide, Release 9.3.3 and Later Releases

OL-1165-06

Chapter 2 Preparing to Install

Making Power and Ground Connections

Figure 2-32 Pluggable Terminal Block

Warning

This equipment is intended to be grounded. Ensure that the host is connected to earth ground during

normal use. To see translations of this warning, refer to the Regulatory Compliance and Safety

Information document that accompanied this product.

Step 3 Attach the pluggable terminal block to the receptacle on the PEM.

Step 4 Loop the DC wiring through the strain relief clamp.

Step 5 Connect the DC input wiring to a DC source capable of supplying at least 20 A (typical). The –48 VDC

power source in the building should have a 25-A DC circuit breaker. The building’s wiring should

include an easily accessible disconnect device. Make sure that the ground wire connects to a reliable

building (earth) ground.

10 - 12 AWG

or 4 sq. mm.

48 VDC Return

Safety ground

- 48 VDC

H8304