Juniper MX2010 Hardware Manual page 230

Figure 76: 6-AWG DC Power Cable Lug
End view
.48 ±.04
.25 ±.04
CAUTION:
lug to the grounding and power cables that you supply. A cable with an incorrectly
attached lug can damage the router.
CAUTION:
location. It has a separate protective earthing terminal (Metric [–M6] and English
[–¼-20] screw ground lugs) provided on the chassis in addition to the grounding pin
of the power supply cord. This separate protective earth terminal must be permanently
connected to earth.
Table 75 on page 210 summarizes the specifications for the DC power cables, which you must supply.
Table 75: DC Power Cable Specifications
Cable Type Quantity and Specification
Power Eighteen pairs of 4-AWG (21.2 mm
90°C wire, or as required by the local code.
Eighteen pairs of 6-AWG (13.3 mm
90°C wire, or as required by the local code.
CAUTION:
The power source cables might be labeled (+) and (–) to indicate their polarity. There
is no standard color coding for DC power cables. The color coding used by the external
DC power source at your site determines the color coding for the leads on the power
cables that attach to the terminal studs on each PDM.
Inner diameter .22
0.63 ±.02
.27 ±.02
2 PLC
All measurements in inches
Before router installation begins, a licensed electrician must attach a cable
The router is a pluggable type A equipment installed in restricted access
2
), used with 80-A PDM. Minimum
2
), used with 80-A PDM. Minimum
You must ensure that power connections maintain the proper polarity.
210