Base Matrix Configuration 2
Keysight 34934A User’s Guide 101
To set the correct ID code for 4x128, place two vertically positioned jumpers as
shown below.
Placing Safety Interlock Continuity Jumpers for 4x128
At the bottom (end
opposite the D-Sub connectors) of the terminal block are two 20-pin extension
headers—marked J24 and J25 on the circuit board. These headers provide access
to the module’s rows. Pins 19 and 20 on each header must be shorted to provide
continuity for the module’s safety interlock function.
Two keyed 20-pin terminators are supplied for providing safety interlock
continuity. Install the terminators securely in the headers, as shown below.
The supplied terminators incorporate both the shorting jumper for pins 19 and 20
and a jumper precluding connection to pins 1 and 2. Detailed pin diagrams for
these terminators are provided on page 105.
The ID jumpers MUST correspond to the matrix configuration set by the CONFIG jumpers
in the previous step. The instrument firmware functions based on the ID it detects from
the (ID) jumper positions and assumes the CONFIG jumpers are set accordingly.
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