USER GUIDE
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SCB-19
Noise Rejecting, Shielded AUX I/O Connector Block
This document explains how to connect and use the SCB-19 with AUX I/O connectors on
National Instruments hardware.
Figure 1. SCB-19 Connector Block
1. SCB-19
2. Cover screws
Other Equipment
There are several required items not included in your SCB-19 kit that you need to operate the
SCB-19.
Required Items
• NI hardware with compatible 19-pin AUX I/O connector
• Cable assembly
– For NI hardware with standard HDMI connectors: SHH19–H19–AUX shielded
single-ended cable (NI part number 152629-0x)
– For NI hardware with mini HDMI connectors: SHH19-MH19-AUX shielded single-
ended cable (NI part number 784091-01)
Note The specified performance of the AUX I/O connector is not guaranteed
if a third-party HDMI cable is used. Use one of the recommended cables for all
AUX I/O connections.
• Phillips #1 screwdriver
• 0.125 in. flathead screwdriver
• Shielded, multiconductor cable with 14–30 AWG wire
• Wire cutters
• Wire insulation stripper
Visit ni.com for more information about these additional items.
2 | ni.com | SCB-19 User Guide
Screw Terminal Diagram
S/N
J2
J1J1
3
3
4
5
1
2
Refer to the following figure for information about the interior of the SCB-19 when
connecting the SCB-19.
Figure 2. Interior of the SCB-19
1. I/O screw terminals
2. Ground terminals
3. Wall mounting screw holes
4. Cable tie loops
5. Cable tie
Getting Started with the SCB-19
Complete the following steps to connect and use the SCB-19 with NI hardware:
Install your NI hardware in a chassis. Refer to the hardware documentation for your product(s)
for installation instructions.
1. Remove the four cover screws with a Phillips #1 screwdriver and open the top cover, as
shown in Figure 1.
2. Connect wires to the screw terminals.
Caution To ensure the EMC performance specified for the connected
hardware, any wires connected to screw terminals that exit the enclosure must
be shielded. NI recommends using a multiconductor cable with an overall
shield. Terminate the cable shield to one of the PCB mounting screws.
a) Strip 6.35 mm (0.25 in.) of insulation from the wires.
b) Insert the wires into the screw terminals.
SCB-19 User Guide | © National Instruments | 3
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