Lucent Technologies 555-661-140 manual AC Grounding Requirements

MERLIN LEGEND Communications System Release 6.1	Issue 1
Installation 555-661-140	August 1998
Installing the Control Unit	Page 2-7
AC Power and Grounding

■If the printer or PC is 50 ft. (15 m) or more from the control unit, or is plugged into a different AC circuit, Asynchronous Data Units (ADUs) must be installed as well. Chapter 5, “Installing the PC, CAT, or Printer,” includes complete installation instructions.

■The AC power requirements indicated in “AC Outlet Tests,” on page 2-8, must be met.

From AC
Load Center
(2 separately
fused 15 A	Ground Wire
circuits)	#14 AWG
	4" Box (RACO 230
HUBBELL	or equivalent)
Receptacles
(5262 15 A
or equivalent)

Single-Point		4" Cover
		(RACO 807
Ground
Ground Bar Mounted		or equivalent)
		Ground Wire
on a 4" Box (Square
"D" PK9GTA or		#6 AWG Copper
approved equivalent)	Approved
	Building Ground

#12 or #14 AWG Copper Wire to Each Power Supply Grounding Screw

Figure 2-1. AC Grounding Requirements

! CAUTION:

The AC outlet for the control unit cannot be switch-controlled. Plugging the control unit into such an