- Mack User's Guide USB U2781A

36 U2781A User’s Guide
3 Features and Functions
Identifying Modules Location
Georgraphical Address
Each slot in the chassis is designed with a 3- bit address pin,
which is designated as a location identity for USB modules. The
address for all six slots are as below:
The USB modules are able to read this 3- bit data and know
which slot the module is plugged in. To read the geographical
address of each module, the SCPI command below is used:
SYSTem:CDEScription?
Modules Identification
You may have more than one module or chassis connected to
the same host PC. Figure 3- 6 illustrates an example of the
connection.
Slot Address
1001
2010
3011
4100
5101
6110