Prism TM450 Installation Guide for JBus 1708 and 1939
Teletrac Inc.
1634-0300 00
Page 9
Pin Out Table and Functions
Pin #
MicroPlug
Function
Color
1
Microphone input (MIC IN-)
NA
2
Normally high switch input (INHIGH)
Orange
3
Ground (GND)
Black (twist 3/5/12)
4
Emergency switch input (ESW)
Gray (loose)
5
Relay driver output (RELAY2)
Yellow (twist 3/5/12)
6
Smartnav switch input (TSW)
NA
7
Relay driver output (RELAY1)
Blue
8
SAE J1708 bus A signal (J1708A)
Yellow (twisted with Blue)
9
CAN bus L signal (CANL)
Brown (twisted with Red)
10
Microphone input (MIC IN+)
NA
11
Info switch input (ISW)
NA
12
Ignition Sense (IGN)
White (twist 3/5/12)
13
Speaker output (SPK+)
Red (from Coax plug -large hole-)
14
Speaker output (SPK-)
Black (from Coax Plug -large hole-)
15
Ground (GND)
NA
16
Battery supply rail (VBATT)
NA
17
SAE J1708 bus B signal (J1708B)
Blue (twisted with Yellow)
18
CAN bus H signal (CANH)
Red (twisted with Brown)
