
Model T940 User Manual
Publication No. 980938 Rev. K
DR7 Driver/Receiver Board F-8
Astronics Test Systems
Name
Pin No.
Description
AUX10+ A
90
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX10- A
91
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX11+ A
92
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX11- A
93
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX12+ A
94
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX12- A
95
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
PBUT A
46
(Bi-directional) Probe Button Input
PMODE A
47
(Output) Probe Support Output
BCLK-A
96
(Output) Reserved
Table F-4: DR7 Pinout by Pin Number (DRA)
Pin No.
Signal
Pin No.
Signal
1
SIG_GND
51
SIG_GND
2
CH1+
52
CH17+
3
CH1-
53
CH17-
4
CH2+
54
CH18+
5
CH2-
55
CH18-
6
CH3+
56
CH19+
7
CH3-
57
CH19-
8
CH4+
58
CH20+
9
CH4-
59
CH20-
10
CH5+
60
CH21+
11
CH5-
61
CH21-
12
CH6+
62
CH22+
13
CH6-
63
CH22-
14
CH7+
64
CH23+
15
CH7-
65
CH23-
16
CH8+
66
CH24+
17
CH8-
67
CH24-
18
CH9+
68
CH25+
19
CH9-
69
CH25-
20
CH10+
70
CH26+
21
CH10-
71
CH26-
22
CH11+
72
CH27+
23
CH11-
73
CH27-
24
CH12+
74
CH28+
25
CH12-
75
CH28-
26
CH13+
76
CH29+
27
CH13-
77
CH29-
28
CH14+
78
CH30+