Supplying Power To The Unit; Ac Powered Systems - ADTRAN Total Access 850 System Manual

Section 3 Network Turnup Procedure
and the equipment grounding conductors serving these receptacles are to be connected to earth ground at
the service equipment.
A supplementary equipment grounding conductor shall be installed between the product or system and
ground that is in addition to the equipment grounding conductor in the power supply cord.
The supplementary equipment grounding conductor shall not be smaller in size than the ungrounded
branch-circuit supply conductors. The supplementary equipment grounding conductor shall be connected
to the product at the terminal provided, and shall be connected to ground in a manner that will retain the
ground connection when the product is unplugged from the receptacle. The connection to ground of the
supplementary equipment grounding conductor shall be in compliance with the rules for terminating
bonding jumpers at Part K or Article 250 of the National Electrical Code, ANSI/NFPA 70. Termination of
the supplementary equipment grounding conductor is permitted to be made to building steel, to a metal
electrical raceway system, or to any grounded item that is permanently and reliably connected to the
electrical service equipment ground.
The supplemental grounding conductor shall be connected to the equipment using a number 8 ring terminal
and should be fastened to the grounding lug provided on the rear panel of the equipment. The ring terminal
should be installed using the appropriate crimping tool (AMP P/N 59250 T-EAD Crimping Tool or
equivalent.)
6.

SUPPLYING POWER TO THE UNIT

The Total Access 850 has two power connection points. In all cases, only one of the
connection points is used. Adhere to the alternate connection instructions to ensure correct
installation.
On the Total Access 850 chassis, the incoming power termination point is on either of two backplane
connections, P6 or P7 (see Power Connections (P6 and P7) on page 39). Both sources connect directly to
the PSU. Connector P6 is used when the chassis is powered by an approved ADTRAN AC/DC Power
Supply and Battery Charger (for example, P/N 1175043Lx) which mounts directly to the chassis.
Connector P7 is used when -48 VDC is available on site and screw-type terminal connections are required.

AC Powered Systems

As shipped, the Total Access 850 is set to factory default conditions. After installing the chassis and any
access modules, the Total Access 850 is ready for power-up. To power-up the unit, ensure that the unit is
properly connected to an appropriate power source.
• This unit shall be installed in accordance with Article 400 and 364.8 of the NEC NFPA
70 when installed outside of a Restricted Access Location (i.e., central office, behind a
locked door, service personnel only area).
• To comply with GR-1089-CORE, Issue 3, this equipment MUST only be installed in a
DC-C bonding and grounding environment. It may not be utilized in a DC-I (isolated)
bonding and grounding environment.
• Power to the Total Access 850 AC system must be from a grounded 90-130 VAC, 50/60
Hz source.
• Verify the power receptacle uses double-pole, neutral fusing.
• Maximum recommended ambient operating temperature is 45 ºC.
58 © 2004 ADTRAN, Inc.
Total Access 850 System Manual
64203376L1-1B