A SERVICE OF

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VOICE TONE MODULE (VTM)
18-3
Figure 18-2 VTM CARD EDGE LAYOUT
INJECTOR/
EXTRACTOR
INJECTOR/
EXTRACTOR
TRANSMIT
S2 MONITOR SWITCH
ALARM (RED)
POWER (GRN)
GROUND (BLK)
TRANSMIT LEVEL
TEST POINT (RED)