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Multichassis System
The SCXI-1346 covers the rear connector of two modules. The module to the right of the one directly
connected to the SCXI-1346 cannot have an external cable inserted into its rear 50-pin connector.
SCXI-1000 chassis through revision D do not have address jumpers or switches and respond to any
address, but you cannot use them in multichassis systems. Revision E chassis use jumpers on Slot 0 for
chassis addressing. Revision F and later chassis use a DIP switch for chassis addressing.
SCXI-1000DC chassis through revision C do not have address jumpers or switches and respond to any
address, but you cannot use them in multichassis systems. Revision D and later chassis use jumpers on
Slot 0 for chassis addressing.
SCXI-1001 chassis through revision D use jumpers on Slot 0 for chassis addressing. Revision E and later
chassis use a DIP switch for chassis addressing.
To connect the multichassis system, you must use one SCXI-1346 multichassis adapter for every chassis
in the chain except the chassis furthest from the E Series DAQ device. The last chassis uses the
SCXI-1349 cable adapter.
1.
Identify the appropriate SCXI module to connect to the cable adapter. Refer to step 1 of the
previous
Single-Chassis System
2.
Insert the 50-pin female connection on the rear of the cable adapter into the 50-pin male connector
on the rear of the appropriate SCXI module.
3.
Fasten the adapter to the rear of the SCXI chassis with the screws provided with the SCXI-1346.
4.
Repeat steps 1 through 3 for each SCXI chassis in the system, excluding the last SCXI chassis in
the chain.
1
SCXI-1000 or SCXI-1001 Chassis
2
SCXI-1346 Cable Adapter
3
Shielded Cable Connecting to TO NEXT CHASSIS
4
Shielded Cable Connecting to FROM DAQ BOARD OR PREVIOUS CHASSIS
5.
Install the SCXI-1349 cable adapter into the last SCXI chassis in the chain. Refer to step 1 of the
previous
Single-Chassis System
SCXI Quick Start Guide
section to determine the appropriate module.
1
S E
FU
LL
P U
P
TO
4
Figure 10. SCXI-1346 Cable Assembly
section for instructions on installing the SCXI-1349.
8
2
3
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