EFJohnson 3000 SERIES - Manual (Page 194)

BACKPLANE
23-14
Figure 23-17 BACKPLANE I/O JACKS
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
26
1
27
2
28
3
29
4
30
5
31
6
32
7
33
8
34
9
35
10
36
11
37
12
38
13
39
14
40
15
41
16
42
17
43
18
44
19
45
20
46
21
47
22
48
23
49
24
50
25
NC
NC
P37
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
P34
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
26
1
27
2
28
3
29
4
30
5
31
6
32
7
33
8
34
9
35
10
36
11
37
12
38
13
39
14
40
15
41
16
42
17
43
18
44
19
45
20
46
21
47
22
48
23
49
24
50
25
NC
NC
P41/P45
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
RXS+
TXS-
TXS+
EB
EA
MB
MA
RXA-
RXA+
TXA-
TXA+
RXS-
P38/P42
P36 P35
P40/P44
P39/P43
J20 - P34/P35/P36/P37
J21 - P38/P39/P40/P41
J22 - P42/P43/P44/P45