c.
Snap the wire bail over the power cord as shown in Figure 14 on page 17
to prevent the power cord from accidentally disengaging.
d.
Dress the power cord appropriately. Verify that the power cord does not
block the air exhaust and access to device components or drape where
people could trip on it.
Figure 14: Connecting AC Power to the Ethernet Appliance
4.
If sufficient power is available and the AC power supply is correctly installed,
the power supply powers up automatically. If the AC power supply is installed
correctly, the
PWR
LED on the SFB lights steadily.
If the
PWR
LED indicates that the power supply is not functioning normally,
repeat the installation and cabling procedures.
Connect Power to a DC-Powered Ethernet Appliance
WARNING:
The device must be properly grounded before you connect the DC power
cables.
Table 2: DC Power System Input Voltage
Specification
Item
Operating range: –40.5 to –72 VDC
DC input voltage
CAUTION:
You must ensure that power connections maintain the proper polarity.
The power source cables might be labeled
(+)
and
(–)
to indicate their polarity. There
Step 5: Connect the Ground and Power Cables
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Step 5: Connect the Ground and Power Cables
