Agilent Technologies E1300B - Manual (Page 55)

How to Display Logical Addresses and Instrument Information
Enter device’s logical address and press Return for individual
instrument information, or just enter one space and Return, for
information on all intruments.
(In this case, 8 was entered)
GPIB secondary address
Instrument name Logical address of selected device
Note: For a description of each field of the instrument information, see
VXI:CONF:DLIS? in the SCPI Command Reference section.
Using the Display Terminal Interface 3-7