Trane Tracer MP501 Installation, Operation And Maintenance Manual page 18

Applications for SCC Mode
LonTalk 
communication
link
18
H
24 Vac
Not used
N
GND 24V 24V
AC POWER
COMM5
SERVICE
A B A B
LED
PIN
In
Out
Occupancy or
generic input
Fan on/off
1 24V 2 24V 3 OUT GND
BINARY OUTPUTS
AO
BI AI ZONE SENSOR
BI 1 GND +20 AI1 SET GND ZN
Not used
Optional
LonTalk
connection
Analog output
(0–10 Vdc)
STATUS
LED
COMM5
LED
Trane zone
1
.
temperature
2
sensor
3
CNT-SVX08F-EN