
1
DC wiring harness from power source
2
Wiring harness connector on power
supply
3
DC power supply
4
Locking tab
FIGURE 15
DC power cable and power supply
2. Terminate the negative (-) and positive (+) wires at the other end of harness at DC power source and
the ground wire to building ground.
Wires in the harness are labeled and colored as follows:
DC harness wiring
TABLE 6
Label (color)
Meaning
GND (yellow)
Earth ground (PE)
-48V (black)
Negative (-)
RTN (red)
Return positive (+)
CAUTION
For a DC system, use grounding wire of at least 8 American Wire Gauge (AWG). The
grounding wire should be attached to the DC input connector, the other end connects to the
building ground.
3. Refer to the "Power Precautions" section of this guide.
4. Observe the following additional requirements and precautions when making connections to DC
power supplies:
Device Installation
Brocade VDX 6940 Hardware Installation Guide
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53-1003495-02
Summary of Contents for VDX 6940 Series
Page 1: ...53 1003495 02 25 June 2015 Brocade VDX 6940 Hardware Installation Guide ...
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Page 14: ...What s new in this document 14 Brocade VDX 6940 Hardware Installation Guide 53 1003495 02 ...
Page 64: ...Verifying operation 64 Brocade VDX 6940 Hardware Installation Guide 53 1003495 02 ...
Page 84: ...Thermal operations 84 Brocade VDX 6940 Hardware Installation Guide 53 1003495 02 ...
Page 106: ...Replacing a transceiver 106 Brocade VDX 6940 Hardware Installation Guide 53 1003495 02 ...
Page 120: ...Germany 120 Brocade VDX 6940 Hardware Installation Guide 53 1003495 02 ...
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