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Chapter 2. Installing the ATLAS 800PLUS
AC Powered Unit
DC Powered Unit
GROUNDING INSTRUCTIONS
2-2
The AC powered ATLAS 800
detachable 8-foot power cord with a three-prong plug for connecting to a
grounded power receptacle.
Power to the ATLAS 800
60 Hz or 220 V AC, 50-60 Hz source.
The DC powered ATLAS 800
terminal block on the rear of the unit. The power source should be connected
to the terminal block according to the polarity markings on the unit. For ex-
ample, a -48 V source would be connected with the -48V return connected to
the (+) terminal and the -48VDC attached to the (-) terminal. Power must be
from a DC power source in the range of 42 to 57 VDC, capable of delivering
up to 7 A of current.
The branch circuit overcurrent protection shall be a fuse or circuit
breaker rated minimum 48 V, maximum 20A.
A readily accessible disconnect device that is suitably approved and
rated shall be incorporated into the fixed wiring.
This section provides grounding instruction information from the Under-
writers' Laboratory UL 1459 Standard for Safety: Telephone Equipment, of
September 20, 1993.
An equipment grounding conductor that is not smaller in size than the un-
grounded branch-circuit supply conductors is to be installed as part of the
circuit that supplies the product or system. Bare, covered, or insulated
grounding conductors are acceptable. Individually covered or insulated
equipment grounding conductors shall have a continuous outer finish that
is either green, or green with one or more yellow stripes. The equipment
grounding conductor is to be connected to ground at the service equipment.
The attachment-plug receptacles in the vicinity of the product or system are
all to be of a grounding type, and the equipment grounding conductors serv-
ing these receptacles are to be connected to earth ground at the service
equipment.
A supplementary equipment grounding conductor shall be installed be-
tween the product or system and ground that is in addition to the equipment
grounding conductor in the power supply cord.
PLUS
ATLAS 800
PLUS
(P/N 1200226L1) comes equipped with a
PLUS
must be from a grounded 115 V AC,
PLUS
(P/N 1200228L1) comes equipped with a
User Manual
The
61200226L1-1
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