How to Set Up Your SRX550 High Memory Services Gateway
4
Connect the Grounding Cable
1. Attach an ESD strap to an ESD point and place the other end of the strap
around your bare wrist.
2. Connect the grounding cable to a proper earth ground.
3. Place the grounding cable lug over the grounding point on the upper rear of
the chassis.
NOTE: The device should be permanently connected to ground during
normal operation. A licensed electrician must attach a cable lug to the
grounding cable. A cable with an incorrectly attached lug can damage
the device.
4. Secure the grounding cable lug to the grounding point with the screws.
100-240V~10A MAX
50~60 HZ
DC OK
AC OK
Grounding screw
(M3 screw)
Grounding
lug
Grounding
point
7820
Power On the Device
1. If you are using the AC model, perform the following steps:
a. Connect the power supply adapter to the power supply point on the device
and to a power source. We recommend using a surge protector. You must
allow the device between five and seven minutes to boot after you power
it on.
9
b. Secure the power cord to the cable tie holder using a tie-wrap.
2. If you are using the DC model, perform the following steps:
WARNING: Before performing the following procedure, ensure that
there is no power in the DC circuit. To ensure that all power is cut o,
locate the circuit breaker on the panel board that services the DC circuit,
switch the circuit breaker to the OFF (0) position, and tape the switch
handle of the circuit breaker in the OFF position.
a. Ensure that the voltage across the DC power source cable leads is 0 V and
that the cable leads do not become active while you are connecting DC
power.
b. Verify that the DC power cables are correctly labeled before making
connections to the power supply. In a typical power distribution scheme
where the return is connected to chassis ground at the battery plant, you
can use a multimeter to verify the resistance of the -48V and RTN DC
cables to chassis ground:
• The cable with very high resistance (indicating an open circuit) to chassis
ground will be connected to the V- (input) DC power input terminal.
• The cable with very low resistance (indicating a closed circuit) to chassis
ground will be connected to the V+ (return) DC power input terminal.
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