8
1.2 Connections
Figure 3 shows the layout of the SP4-TZC PC Board.
RS485
COM Port
NOTE: OBSERVE
CORRECT POLARITY
Audio
Output
24VDC
Input
Background
Music Input
Telephone
Input
Microprocessor
Alignment Marker
System Reset
Switch
Power On
LED Indicator
(Green)
Page Level
Led Indicators
Page Volume
Adjust
Alert Page
Tone Selection
Jumper
BGM
Volume
Adjust
Microprocessor
PC Board
Status
LED Indicators
(Green)
Communication
LED Indicator
(Green)
Diagnostic
LED Indicator
(Amber)
Figure 3
SP4-TZC PC Board Layout
Содержание SAFEPATH 4 SP4-TZC
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