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User Instructions UM582127000
Spec. No. 582127000 (Model 721NPBB) Issue AC, January 2, 2013
Chapter 2. Operating Procedures Page 5
This document is property of Emerson Network Power, Energy Systems, North America, Inc. and contains confidential and proprietary information owned by Emerson Network Power, Energy
Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
Figure 2-1
Circuit Card Locations
IB2 (Main Bay Only)
(ACU+ Interface Board)
(located on inside side panel)
Optional EIB (Main Bay Only)
(ACU+ Extended Interface Board)
(located on inside side panel)
Optional SM-DU+ and
Shunt Interface Board
4-Row Cabinet Shown,
Others Similar
(Front Door Removed in
Illustration for Clarity)
System Interface
Circuit Card
OR
Optional LVD
Driver Circuit Card
Optional LVD Driver
Lite Circuit Card
ACU+ Controller
(Main Bay)
SM-DU
(Supplemental Bays)
Mounting Position
Optional Manual Battery
Disconnect Circuit Card
(Main Bay Only)