9469300994 2-1
DGC-2020HD Terminals and Connectors
2 • Terminals and Connectors
All DGC-2020HD terminals and connectors are located on the rear panel. DGC-2020HD terminals consist
of a mini-B USB jack, a DB-9 connector, Ethernet ports, plug-in connectors with spring clamp terminals,
and quarter-inch, male, quick-connect terminals.
Figure 2-1 illustrates the rear panel terminals. Locator letters in the illustration correspond to the terminal
block and connector descriptions in Table 2-1.
Figure 2-1. Rear Panel
CAN 1 LOW
CAN 1 HIGH
SHIELD
CAN 2 LOW
CAN 2 HIGH
51
52
53
54
55
RS-485A
RS-485B
RS-485 SHIELD
IRIG-B+
IRIG-B−
RDP-110 TxD+
RDP-110 TxD−
CHASSIS GND
AVR +
AVR −
GOV +
GOV −
GOV PWM
LOAD SHARE+
LOAD SHARE−
Eth 1
57
58
59
60
61
62
63
64
65
66
67
68
69
70
FUEL +
FUEL −
Not Used
OIL +
OIL −
OIL I
COOLANT+
COOLANT−
COOLANT I
ALOG IN 2 +
ALOG IN 2 −
ALOG IN 2 I
ALOG IN 1 +
ALOG IN 1 −
ALOG IN 1 I
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
OUT 1
AUX I4−
AUX I4+
AUX I3−
AUX I3+
AUX I2−
AUX I2+
AUX I1−
AUX I1+
GEN IC−
GEN IC+
GEN IB−
GEN IB+
GEN IA−
GEN IA+
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
OUT 12
OUT 11
OUT 10
COM 7, 8, 9
OUT 9
OUT 8
OUT 7
COM 4, 5, 6
OUT 6
OUT 5
OUT 4
COM 1, 2, 3
OUT 3
OUT 2
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
P0071-12
CHASSIS GND
BATT −
BATT +
Not Used
INPUT 16
50
49
48
47
46
INPUT 14
INPUT 13
INPUT 12
INPUT 11
INPUT 10
INPUT 9
INPUT 8
INPUT 7
INPUT 6
INPUT 5
INPUT 4
INPUT 3
INPUT 2
INPUT 1
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
BUS 2 VC
BUS 2 VN
Not Used
MPU +
MPU −
BUS 2 VB
Not Used
BUS 2 VA
Not Used
BUS 1 VN
BUS 1 VC
Not Used
BUS 1 VB
Not Used
BUS 1 VA
Not Used
GEN VN
GEN VC
Not Used
GEN VB
Not Used
GEN VA 86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
COM 10, 11, 12
INPUT 15
RUNSTART
PRE
DGC-2020HD
+
–
C
D
B
E
F
A
A
A
A
A
Tx
Rx
P1
P2
P3
P4
P5
P6
P7
P8P9
Eth 1
Eth 2
56
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