Publication No. 980935 Rev. A
3152B User Manual
Chapter 2
Installation
Preparation for
Use
Preparation for use includes selecting the required logical address
and installing the module in a VXIbus chassis.
The VXIbus Chassis Resource Manager identifies a module in the
system by the module’s address. VXIbus logical addresses can range
from 0 to 255. However, logical address 0 is reserved for the
Resource Manager. Addresses 1 to 254 are reserved for VXIbus
modules. Logical address 255 permits the Resource Manager to
dynamically configure the module logical address.
Logical Address
Selection
To change the 3152B logical address, use the 8-segment DIP switch
(S1) accessible from the side of the module near the rear of the case.
Figure 2-1 shows the logical address switch. The switch segments are
marked with numbers 1 to 8. Each switch segment represents a
binary digit of the 8-bit binary logical address. The segment marked
“1” represents the least-significant digit. A switch is active (equal to 1)
when it is moved downward to the “ON” position.
EADS North America Test and Services ships the 3152B with the
logical address set to 2 as shown in Figure 2-1.
1
2
3
4
5
6
7
ON
Figure 2-1, Switch S1 (Set to Logical Address 2)
Installation
The 3152B may be installed into any slot of the VXIbus mainframe
except slot 0. When inserting the instrument into the mainframe,
gently rock it back and forth to seat the connectors into the backplane
receptacle. The ejectors will be at right angles to the front panel when
the instrument is properly seated into the backplane. Use the captive
screws above and below the card ejector handles to secure the
instrument into the chassis.
EADS North America Test and Services
Inatallation 2-1
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