Juniper JRR200, Hardware Manual

Page: 47 / 108

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The cable with very low resistance (indicating a closed circuit) to chassis ground is
positive (+) and will be installed on the
V+
(return) DC power input terminal.
CAUTION: You must ensure that power connections maintain the proper
polarity. 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 power supply.
4.
Remove the protective cover from the terminal studs on the faceplate. Save this cover
for future use.
5.
Remove the screws on the terminals by using a number 2 Phillips (+) screwdriver.
6.
Secure each positive (+) DC source power cable lug to a RTN (return) terminal. Secure
each negative (–) DC source power cable lug to a -48 V (input) terminal.
7.
Tighten the screws on the power supply terminals until snug using the screwdriver.
Do not overtighten.
8.
Replace the protective cover over the terminal studs on the faceplate.
9.
Switch the circuit breaker to the ON (|) position.
10.
Verify that the IN and OUT LEDs on the power supply are lit green and are on steadily.
Connecting JRR200 Route Reflector to External Devices
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Connecting JRR200 Route Reflector to Management Devices on page 48
47 Copyright © 2018, Juniper Networks, Inc.
Chapter 3: Initial Installation and Configuration