Specifications

Pinouts
VTM Series Installation and Operation Handbook
B-4
Table B-3. Pinouts for LTC/GPI Connector and LTC/GPI Breakout Board
Pinout Signal Pinout Signal
1
GND
14
Return for GPI #1
2
GPI input #4 (Select input D)
15
GPI output #2
3
GPI input #3 (Select input C)
16
Return for GPI #2
4
GPI input #2 (Select input B)
17
Reserved
5
GPI input #1 (Select input A)
18
Reserved
6
GPI input #7 (Select Preset 3)
19
Clock high in
7
GPI input #8 (Select Preset 4)
20
Clock low in
8
GPI input #9 (Select Preset 5)
21
Reserved
9
GPI input #6 (Select Preset 2)
22
Reserved
10
GPI input #5 (Select Preset 1)
23
Reserved
11
GND
24
LTC high in
12
Reserved
25
LTC ground
13
GPI output #1
26
LTC low in