GX6256 J2 Connector

The following table describes the J2 (200 pin) connector’s pin out:

Pin          
Column A     
 
Column B          
Column C        
Column D       
1
UUT GND
UUT GND
UUT GND
UUT GND
2
Group A Channel 1
Group B Channel 1
Group C Channel 1
Group D Channel 1
3
Group A Channel 2
Group B Channel 2
Group C Channel 2
Group D Channel 2
4
Group A Channel 3
Group B Channel 3
Group C Channel 3
Group D Channel 3
5
Group A Channel 4
Group B Channel 4
Group C Channel 4
Group D Channel 4
6
UUT GND
UUT GND
UUT GND
UUT GND
7
UUT GND
UUT GND
UUT GND
UUT GND
8
Group A Channel 5
Group B Channel 5
Group C Channel 5
Group D Channel 5
9
Group A Channel 6
Group B Channel 6
Group C Channel 6
Group D Channel 6
10
Group A Channel 7
Group B Channel 7
Group C Channel 7
Group D Channel 7
11
Group A Channel 8
Group B Channel 8
Group C Channel 8
Group D Channel 8
12
UUT GND
UUT GND
UUT GND
UUT GND
13
UUT GND
UUT GND
UUT GND
UUT GND
14
Group A Channel 9
Group B Channel 9
Group C Channel 9
Group D Channel 9
15
Group A Channel 10
Group B Channel 10
Group C Channel 10
Group D Channel 10
16
Group A Channel  11
Group B Channel 11
Group C Channel 11
Group D Channel 11
17
Group A Channel 12
Group B Channel 12
Group C Channel 12
Group D Channel 12
18
UUT GND
UUT GND
UUT GND
UUT GND
19
UUT GND
UUT GND
UUT GND
UUT GND
20
Group A Channel 13
Group B Channel 13
Group C Channel 13
Group D Channel 13
21
Group A Channel 14
Group B Channel 14
Group C Channel 14
Group D Channel 14
22
Group A Channel 15
Group B Channel 15
Group C Channel 15
Group D Channel 15
23
Group A Channel 16
Group B Channel 16
Group C Channel 16
Group D Channel 16
24
UUT GND
UUT GND
UUT GND
UUT GND
25
I/O0
I/O0
I/O0
I/O0
26
CHASSIS
CHASSIS
CHASSIS
CHASSIS
27
UUT GND
UUT GND
UUT GND
UUT GND
28
Group E Channel 1
Group F Channel 1
Group G Channel 1
Group H Channel 1
29
Group E Channel 2
Group F Channel 2
Group G Channel 2
Group H Channel 2
30
Group E Channel 3
Group F Channel 3
Group G Channel 3
Group H Channel 3
31
Group E Channel 4
Group F Channel 4
Group G Channel 4
Group H Channel 4
32
UUT GND
UUT GND
UUT GND
UUT GND
33
UUT GND
UUT GND
UUT GND
UUT GND
34
Group E Channel 5
Group F Channel 5
Group G Channel 5
Group H Channel 5
35
Group E Channel 6
Group F Channel 6
Group G Channel 6
Group H Channel 6
36
Group E Channel 7
Group F Channel 7
Group G Channel 7
Group H Channel 7
37
Group E Channel 8
Group F Channel 8
Group G Channel 8
Group H Channel 8
38
UUT GND
UUT GND
UUT GND
UUT GND
39
UUT GND
UUT GND
UUT GND
UUT GND
40
Group E Channel 9
Group F Channel 9
Group G Channel 9
Group H Channel 9
41
Group E Channel 10
Group F Channel 10
Group G Channel 10
Group H Channel 10
42
Group E Channel 11
Group F Channel 11
Group G Channel 11
Group H Channel 11
43
Group E Channel 12
Group F Channel 12
Group G Channel 12
Group H Channel 12
44
UUT GND
UUT GND
UUT GND
UUT GND
45
UUT GND
UUT GND
UUT GND
UUT GND
46
Group E Channel 13
Group F Channel 13
Group G Channel 13
Group H Channel 13
47
Group E Channel 14
Group F Channel 14
Group G Channel 14
Group H Channel 14
48
Group E Channel 15
Group F Channel 15
Group G Channel 15
Group H Channel 15
49
Group E Channel 16
Group F Channel 16
Group G Channel 16
Group H Channel 16
50
UUT GND
UUT GND
UUT GND
UUT GND

GX6256 Connector J2

The following table describes the signals mentioned in the table below:

Signal Name
Comments
Group X Channel Y
Mux Group channels for group A through H
UUT GND
Unit Under Test ground. This ground is isolated from power ground and chassis.
I/O X
PIO (Static general purpose I/O) pins 0 to 3