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IVX
E
R
LECTRICAL
EQUIREMENTS
G
I
ROUNDING
NSTRUCTIONS
P
OWER
UPS
IVX grounding (supplemental ground) is as follows:
• The conductor wires can be no smaller than the ungrounded
branch-circuit supply conductors (usually 16 gauge or higher).
• Acceptable wire: bare or covered with green or green and yel-
low striped jacket.
• Conductors (and power receptacles) shall connect to earth
ground at the service equipment (usually a cold water pipe or
copper ground rod).
• The supplemental ground must: be used regardless of power
cord ground, be connected to the ground lug on the bottom of
the IVX cabinet, and retain ground connection when IVX power
supply module is unplugged.
Note: IVX Lines are protected against a 10Kv surge only if the
earth ground procedures described above are followed.
The base unit requires a single 110v AC outlet – Use only the
Class-2 power supply module provided with the system.
The expansion cabinet requires no additional AC power. A
clean, isolated power source in conjunction with a UPS is
strongly recommended. IVX maximum power consumption is
50 watts.
Note: If power is lost, the system will drop all connections.
When power is restored, the system will restart and resume nor-
mal operation in approximately 60 seconds retaining its full pro-
gramming and clock setting.
For system protection and to maintain uninterrupted operation,
an Uninterruptible Power Supply (UPS) is strongly recommend-
ed. A UPS rated for 200VA will provide approximately three
hours of uninterrupted service for a fully loaded (16 X 34) IVX.
Every 50VA of capacity added to the UPS will yield approxi-
mately one additional hour of backup.
H
I
ARDWARE
NSTALLATION
2.7
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