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OPTION-01T
Getting Started 2-2
1260-100/101 Adapt-a-Switch Carrier Module User Manual
The 1260-100/101 may be ordered with or without the Option-01T.
If the Option-01T is included, it controls all plug-ins inside the
1260-100/101.
It may also control plug-ins in an adjacent
1260-100/101 module, or several 1260-Series modules in
consecutive slots.
The following rules apply when using the Option-01T controller:
•
Each Adapt-a-Switch or full-size VXI switch module has its
own unique module address.
•
Model 1260-100 assigns module addresses 1 through 12,
to its module slot, depending on the position of the Address
Range DIP switch.
•
Model 1260-101 always assigns module address 1 to the
top slot and 2 to the bottom slot.
•
Full-size VXI switch cards may be assigned any module
address from 1 to 12, inclusive, selectable by the DIP
switch.
•
To be controlled by a single Option-01T, a group of switch
modules and carriers must be installed in a contiguous
group of VXIbus chassis slots and the Option-01T must be
installed in the left-most module in the group.
•
Any 1260-100/101 Carrier or 1260-Series module that is
not equipped with an Option-01T must have the Local Bus
Jumper Assembly (P/N 405951) and Bus Grant Jumper
Assembly (P/N 405951-003) installed in its place.
ensures that the Local Bus and Bus Grant daisy chains are
unbroken.
Below are some examples of possible configurations:
Example 1:
A single Option-01T may control all Adapt-a-Switch plug-
ins in one or two 1260-100 Carriers. When it controls
two carriers, the carriers must be in adjacent slots in the
VXIbus chassis, with the Option-01T-equipped carrier in
the left-most slot of the group.
A single Option-01T may control all Adapt-a-Switch plug-
ins in a 1260-101 and 1260-100 Carriers.
controls two carriers, the carriers must be in adjacent
slots in the VXIbus chassis, with the Option-01T-
equipped carrier in the left-most slot of the group. A
single option_01T will not control more than one 1260-
101.
When it
Racal Instruments 1998
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