National Instruments SCB-68 - Manual (Page 25)

Chapter 2 Parts Locator and Wiring Guide
SCB-68 Shielded Connector Block User Manual 2-2 ni.com
Figure 2-1. SCB-68 Printed Circuit Diagram
1 Pads R20 and R21
2 Switches S3, S4, and S5
3 68-Pin I/O Connector
4 Fuse (0.8 A)
5 Switches S1 and S2
6 Assembly Number and Revision Letter
7 Screw Terminals
8 Serial Number
9 RC Filters and Attenuators for DAC0,
DAC1, and TRIG1
10 Breadboard Area
11 Temperature Sensor
12 Product Name
13 Pads for AI Conditioning
1 2 3 4
5
6
7
8
10 11 12
13
SCB-68
© COPYRIGHT 1993
68
J1
34
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67
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C6
C5
C3
C1
C2
XF1
ASSY182470-01 REV.B
S/N
1 3 33 34 C4
R20
R21
RC12(B) RC4(E)
R4(F)
S5 S1
S2
S4 S3
R5(G)
RC5(E)
R6(F)
R7(G)
RC13(D)
R22(A)
R23(C)
RC14(B)
RC15(D)
R24(A)
R25(C)
RC6(E)
R8(F)
R9(G)
RC16(B)
RC17(D)
R26(A)
R27(C)
RC7(E)
R10(F)
R11(G)
RC18(B)
RC19(D)
R28(A)
R29(C)
RC8(E)
R12(F)
R13(G)
RC20(B)
RC21(D)
R30(A)
R31(C)
RC9(E)
R14(F)
R15(G)
RC22(B)
RC23(D)
R32(A)
R33(C)
RC10(E)
R16(F)
R17(G)
RC24(B)
RC25(D)
R34(A)
R35(C)
RC11(E)
R18(F)
RC2
R2
RC3
R3
R19(G)
RC26(B)
RC27(D)
R36(A)
R37(C)
R38
R10
RC1
9