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Chapter 1 Installing and Configuring the SCXI-1127/1128
SCXI-1127/1128 User Manual 1-16 ni.com
Notes
Do not connect the SH9MD-9MD cable to the 2-slot HVAB-backplane adapter.
An SCXI-1127/1128 is required in slot 12 of each 12-slot chassis to establish
communications with all the chassis in the system. If slot 12 is empty, the chassis will not
operate. It is this module that you must specify in MAX as the module cabled to the DMM.
If a chassis is configured with less than 12 slots of the HVAB-backplane adapter, use the
right-most available HVAB connector to extend to the next chassis. In this instance,
right-most means the slot closest to slot 1 when the chassis is viewed from the back.
Connecting the SCXI-1127/1128 to the DMM in a PXI-1010 Chassis
You need the following items to complete the installation:
• PXI chassis with the SCXI-1127/1128 modules installed
• SCXI-1357 kit
– Two 1-slot HVAB-backplane adapters
– One 2-slot HVAB-backplane adapter
– HV8 to BAN4 cable
– Two 8-position HVAB plugs
– SH9MD-9MD cable
• DMM
• 1/8 in. flathead screwdriver
Consult your PXI-1010 and DMM documentation for additional
instructions and warnings. Your SCXI-1127/1128 modules and any other
SCXI modules should already be installed in the chassis according to their
installation instructions. Before you proceed with your connections, make
sure you turn off your SCXI chassis.
DMM in PXI Slots 1 through 7 Configuration
To install your DMM in PXI slots 1 through 7, follow these steps:
1. Install your DMM in any one of the PXI slots 1 through 7.
2. In the SCXI subsystem, install the 2-slot HVAB-backplane adapter
behind SCXI slots 3 and 4.
3. Install additional 1-slot HVAB-backplane adapters behind SCXI slots
1 and 2 if needed.
4. Install the 8-position HVAB plugs to connect the HVAB-backplane
adapters as needed.