634Waab1 Series 4 And Higher Power Supply; Figure 83. 634Waab1 Switch Locations - 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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634WAAB1 Series 4 and Higher Power Supply
The input voltage switch should be factory set to the 110 V position. Verify that it is
properly set. If it isn't, set the input voltage switch to the 110 V position using a nonmetallic
tool. See Figure 83 for the switch locations.
Note: Only Vintage 4 and above power supplies are set to 110 V. Older vintages of the
power supply should not be in the field.
SWITCH
INSTRUCTION
LABEL
FRONT
SWITCH
IS INSIDE
HOUSING
Figure 83. 634WAAB1 Switch Locations
BACK
Page 119
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