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2.1
CONNECTOR PINOUT
For standard pre-installation and installation instructions, including location, cable harness
assembly, pneumatic inputs (if applicable), mounting, and others, please refer to the IM.
Pinout identification specific to this CID is listed in the table below. A brief description is provided.
Further definition of the inputs and outputs should be documented in the technical requirements
and/or statement of work and are not provided within this User Guide.
Pin
Description
1
Ground
2
ARINC Out (A)
3
ARINC Out (B)
4
Dimmer Input
5
ARINC In 1(A)
6
ARINC In 2(A)
7
Reserved
8
Reserved
9
Reserved
10
Reserved
11
Reserved
12
Reserved
13
Reserved
14
ARINC In 1(B)
15
Reserved
16
ARINC In 2(B)
17
Reserved
18
Reserved
19
Power Input
20
Reserved
21
Reserved
22
Discrete Input
23
Discrete Input
24
Reserved
25
Reserved
26
Reserved
Mid-Continent Instruments and Avionics
Connector Pinout
Power return; connect to a/c ground
ARINC label 150
(paired with pin 2)
5, 14, or 28VDC input (if used)
ARINC labels 150, 252
Reserved
(paired with pin 5)
Reserved
+10-32VDC
Flight Timer Start/Stop Signal
Hobbs Timer Start/Stop Signal
Table 1 Unit Connector Pin Identification
3
Function
User Guide UG190, Revision 2
MD23-190
User Guide
January , 2021
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