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Model T940 User Manual
Publication No. 980938 Rev. K
DR2 Driver/Receiver Board C-10
Astronics Test Systems
DRB I/O Channels (J201)
Table C-5: DR2, DRB I/O Channels (J201)
Name
Pin No.
Description
CH33+ to
CH64+
Various
(Bi-directional) LVDS Positive High speed channels
CH33- to
CH64-
Various
(Bi-directional) LVDS Negative High speed channels
SIG_GND
Various
Signal Ground reference
AUX1+ B
34
(Bi-directional) General Purpose LVDS Positive I/O pin
AUX1- B
35
(Bi-directional) General Purpose LVDS Negative I/O pin
AUX2+ B
36
(Bi-directional) General Purpose LVDS Positive I/O pin
AUX2- B
37
(Bi-directional) General Purpose LVDS Negative I/O pin
AUX3+ B
38
(Bi-directional) General Purpose LVDS Positive I/O pin
AUX3- B
39
(Bi-directional) General Purpose LVDS Negative I/O pin
AUX4+ B
40
(Bi-directional) General Purpose LVDS Positive I/O pin
AUX4- B
41
(Bi-directional) General Purpose LVDS Negative I/O pin
AUX5 B
42
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX6 B
44
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX7 B
84
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX8 B
86
(Bi-directional) General Purpose LVTTL I/O pin, 51.1 Ohm
series
AUX9+ B
88
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX9- B
89
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX10+ B
90
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX10- B
91
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX11+ B
92
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX11- B
93
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX12+ B
94
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
AUX12- B
95
(Bi-directional) General Purpose ECL I/O pin, 51.1 Ohm to -2 V
PBUT B
46
(Bi-directional) Probe Button Input
PMODE B
47
(Output) Probe Support Output
BCLK B
96
(Output) Reserved