Grounding The Device Using Two-Hole Ground Lug - Brocade Communications Systems VDX 6940 Series Hardware Installation Manual

TABLE 8 DC harness wiring
Label (color)
GND (yellow)
-48V (black)
RTN (red)
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:
NOTE
The equipment installation must meet NEC/CEC code requirements. Consult local authorities for regulations.
CAUTION
For the DC input circuit to the system, make sure there is a 40-amp circuit breaker, minimum 60 VDC, double pole,
on the input to the terminal block. The input wiring for connection to the product should be copper wire, 8 AWG,
marked VW-1, and rated a minimum of 90 degrees celsius.
CAUTION
DC return shall be isolated from the chassis ground (DC-I) when connections to the power supply are made.

Grounding the device using two-hole ground lug

Use the following procedure to ground the device using the two-hole ground lug provided in the ground lug kit shipped with the device.
This lug is for a NEBS-compliant grounding connection using 6 AWG wire.
1. Route grounding wire from a building ground connection to the nonport side of device.
2. Crimp the ground wire to the ground lug.
3. Attach the ground lug to the device as shown in the following illustrations using the two 10-32 x ½ in. screws, flat washers, and
lock washers provided with the ground lug kit.
Brocade VDX 6940 Hardware Installation Guide
53-1003495-06
Meaning
Earth ground (PE)
Negative (-)
Return positive (+)
Initial Configuration
63