Power, Grounding And Alarm Connections; Off-Line Switcher (Ols)With No Holdover Or Reserve Power - AT&T System 85 Installation And Test
Release 2 versions 1, 2, 3, and 4. remote module and remote group interface
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Also See for System 85:
- Upgrade manual (240 pages) ,
- User manual (114 pages) ,
- User manual (55 pages)
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Power, Grounding and Alarm Connections
Six arrangements of power equipment are used with the Remote Group Housing to provide
the power for the unit.
Off-line Switcher (OLS)With No Holdover or Reserve Power
The Remote Group Housing must have an OLS (634WAAB) board in slot 06 for this power
arrangement. This connection is shown in Figure 97.
TO 125 V AC 60 HZ 20 A
FUSED DEDICATED LINE
FURNISHED BY CUSTOMER
OR AUXILIARY CABINET
UTILITY OUTLET
TO APPROVED
BUILDING GROUND
CORD PROVIDED WITH
REMOTE GROUP HOUSING
ED-1E434-11
GRP 165
REMOTE GROUP HOUSING
POWER IN
J12 GRDL
Figure 97. OLS With No Holdover
Page 146
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