Configuration and Installation
Chapter 2
GPIB-110 User Manual
2-2
© National Instruments Corporation
To isolate the digital logic ground from the chassis and power ground, change the chassis
ground to Logic Ground Selection jumpers shown in Figure 2-1, letter a, to the position
labeled ISO.
4. Replace the cover. Be sure the aluminum side plates are in the proper place.
5. Replace the screws you removed in Step 3.
6. Reconnect the power cord.
R3
R4
R5
CX
FO
C2 RV1 U1
U2
U3 C5
J2
C1
R2
R1 C60
C9
R6
C3
U4
U15 U16
C6
C7
C10
C8
U20
J4
MIT
J3 RCV
C61
R9
D9
U51
U52
U17
U18
D1 D2 D3
C21
U34
U35
U36
U37
C30
U53
U54U55 U56
U57
R1
U73
U74
U75
U76 U77
U78
S1
J5
C42
U94 U95
U96
U97 U98 U99
C44
C36
C37
C45
R12
U116
U117 U118 U119
ISO
SH
U115
75121
75122
ALS00
7406
ALS04
AS00
LS164
AS02
7406
LS393
2601
2601
AS74
AS74
ALS00
LS126
LS164
ALS04
ALS151
S196
AS74
3441
3448
ALS273
ALS00
ALS00
ALS02
ALS00
76160
ALS257
ALS273
ALS257
ALS74
ALS32
ALS08
LS19
ALS08
ALS1
1
ALS74
ALS02
ALS166
Fiber Optic/Coaxial
Selection Jumpers
Chassis Ground
to Logic Ground
Selection
a.
GPIB-110 Rear Panel
Top View
b.
Interface Cable
Shield Selection
Jumper
c.
ISO
Figure 2-1. Isolation Selection