Cisco AS5350 Installation Manual page 43

Chapter 3 Installing the Cisco AS5350
Supplying Power
The illustration shows the DC power supply terminal block. Wire the DC power supply using the
Warning
appropriate wire terminations at the wiring end, as illustrated. The proper wiring sequence is ground
to ground, return to return, and negative to negative. Note that the ground wire should always be
connected first and disconnected last. To see translations of the warnings that appear in this
publication, refer to the Regulatory Compliance and Safety Information document that accompanied
this device.
Figure 3-19 DC Power Supply Connections—Single Power Supply
Power switch
To DC source
DC connector
Source A - NEG Ground
Source B - RTN
Source A - RTN
Source B - NEG
Caution Do not overtorque the terminal block contact screws. The recommended torque is 4.5 lb-in (0.50 N-m).
Cisco AS5350 Universal Gateway Chassis Installation Guide
3-17
78-10754-03 0A