AT&T 75 Wiring Manual page 278

110-TYPE HARDWARE
Z1A EMERGENCY TRANSFER UNIT ONLY LABELS
Both sections of the label shown in Figure 3-43 is used only to identify leads and the
connection point for -48 volt dc power for the Z1A unit.
Figure 3-43. Z1A Emergency Transfer Unit Only Label
EMERGENCY TRANSFER UNIT 574-5 ONLY LABEL
Both sections of the label shown in Figure 3-44 is used to identify leads to the 574-5
Emergency Transfer Unit.
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