Brocade Communications Systems NetIron CER Series Installation Guide download pdf (Page 91)

FIGURE 56 DC power supply screws

1 Chassis attachment screws 2 Assembly screws

9. Connect the wire to your DC power source, making sure to connect the -48V cable to the negative

terminal on the power supply and the 0V cable to the positive terminal as marked on the power

supply.

The equipment installation must meet NEC/CEC code requirements. Consult local authorities for

regulations.

NOTE

Ensure that the DC return is isolated from the chassis ground (DC-I) when connections to the power

supply are made.

CAUTION

For a DC system, use a grounding wire of at least 6 American Wire Gauge (AWG). The 6 AWG

wire should be attached to an agency-approved crimp connector crimped with the proper tool.

The crimp connector should allow for securement to both ground screws on the enclosure.

For the Ground lug, use UL listed Panduit crimp connector, P/N LCD6-10A, and two 10-32,

PPH, screws to secure crimp connector to chassis. Grounding position is located on the side

of the chassis adjacent ground symbol.

NOTE

To ensure adequate bonding when attaching the provided Panduit LCD6-10AF two-hole ground lug,

a minimum of 20 PSI of torque is required to be applied to the mounting hardware used to attach the

ground lug. Use a star washer to ensure an NEBS compliant connection.

Hardware Maintenance

Brocade NetIron CES 2000 Series and NetIron CER 2000 Series Hardware Installation Guide 91

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Brocade Communications Systems NetIron CER Series Installation Guide Page 91