A cable with an incorrectly attached lug can damage the packet transport
switch.
Figure 87: Grounding Cable Lug
g006590
Crimp area
All measurements in inches
0.38
2 holes
2.57
0.32 0.380.63
0.76
End view
0.12
You must supply a grounding cable. Table 45 on page 260 summarizes the specifications
for the grounding cable and lug.
In addition, GR1089-CORE requires the following:
•
The grounding conductor must be copper.
•
Bare conductors shall be coated with an antioxidant before crimp connections are
made.
•
Plated areas that are electrically connected to the grounding conductor shall be cleaned
and free of contaminants before the connection is made.
Table 45: Grounding Cable Specifications
0-AWG (53 mm
2
),
Cable Specification
Cable lug; dual hole, sized to fit 1/4-20 UNC terminal studs at
15.86-mm (0.625-in.) center line.
Connector Specification
Related
Documentation
PTX5000 Chassis Description on page 12•
• Tools and Parts Required to Ground the PTX5000 Packet Transport Switch on page 83
• Connecting the PTX5000 Grounding Cable on page 83
PTX5000 DC Power System Electrical Specifications
Table 46 on page 260 lists the DC power system electrical specifications.
Table 46: Power System Electrical Specifications
SpecificationItem
Operating range: –40.0 to –72.0 VDCDC input voltage
Copyright © 2012, Juniper Networks, Inc.260
PTX5000 Packet Transport Switch Hardware Guide
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