Connecting Dc Power To The Ja2500 Appliance - Juniper Junos Space JA2500 Quick Start Manual

JA2500 Junos Space Appliance Quick Start

Connecting DC Power to the JA2500 Appliance

12
Before connecting the JA2500 Appliance to a DC power source, do the following:
Ensure that you have read the guidelines in the DC Power Electrical Safety Guidelines
topic in the JA2500 Junos Space Appliance Hardware Guide.
Ensure that you have taken the necessary precautions to prevent ESD damage.
Ensure that you have grounded the appliance by connecting the DC power supply
grounding cable to earth ground.
CAUTION: Before you connect power to the Junos Space Appliance, in
order to meet the safety requirements and ensure proper operation, get a
licensed electrician to attach a cable lug to the grounding and power cables
that you supply. A cable with an incorrectly attached lug can damage the
appliance (for example, by causing a short circuit).
Ensure that you have the following parts and tools available:
DC power source cables (12-14 AWG) with ends of the wire stripped ~12mm and
twisted
Phillips (+) screwdriver, number 1
You connect DC source power to the appliance by attaching power cables from external
DC power sources to the terminal studs on the DC power supply module faceplates.
WARNING: DC-powered Junos Space Appliances are intended for installation
only in restricted access locations.
WARNING: Before you perform the following procedure, ensure that power
is removed from the DC circuit. To ensure that all power is off, locate the
circuit breaker on the panel board that services the DC circuit, switch the
circuit breaker to the OFF position, and tape the switch handle of the circuit
breaker in the OFF position.
To connect the DC source power to the JA2500 appliance, do the following:
Ensure that the power supply module is fully inserted in the chassis.
1.
Ensure that the input circuit breaker is open so that the voltage across the DC power
2.
source cable leads is 0 V and that the cable leads will not become active when you
connect the DC power.
Remove the clear plastic cover protecting the terminal on the faceplate.
3.
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