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C Series C3000 and C5000 Controller Quick Start
Connect Power to a DC-Powered Controller
8
Push the power cord into the slot in the adjustment nut of the power cord retainer
3.
clip. Turn the nut until it is snug against the base of the coupler and the slot in the nut
is turned 90° from the top of the switch.
NOTE:
We suggest that you use an uninterruptible power supply (UPS) with
you C Series Controller.
NOTE:
To provide redundancy, do not terminate Power A and Power B leads
at the same power source.
Table 1: C3000 and C5000 DC Power System Input Voltage
Item
DC input voltage
Verify that there is no power flowing from either external power source, so that the
1.
voltage across the leads of the DC power cables is 0 V. Ensure that there is no chance
that the cable leads might become active during the procedure.
Remove the clear plastic shield covering the field-wiring terminals on the power supply.
2.
Remove the screws on the field-wiring and ground terminal.
3.
Verify that a licensed electrician has attached a listed DC power cable lug to each
4.
power source cable and ground cable.
NOTE:
You must bend the cable lug that attaches to the DC power source
cable at a 90° angle to properly install the clear plastic shield covering.
Insert the DC power and ground cable lugs into the appropriate terminals. Using a
5.
number 1 Phillips screwdriver, turn the screw on each terminal clockwise to secure
the cable. Apply 8.68 lb-in. (.98 Nm) of torque to each screw.
Insert the positive (+) source cable into the return terminal, which is labeled
a.
Insert the negative (–) source cable into the input terminal, which is labeled
b.
Align the ground cable with the ground terminal.
c.
Specification
Operating range: –48 to –60 VDC
Copyright © 2013, Juniper Networks, Inc.
.
RTN
.
–48V
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