Expanded-Row Matrix Configuration 3
Keysight 34934A User’s Guide 225
placement of the block’s J7 jumpers. You must have set the jumpers to extend
rows to at least one of the four extension headers—possibly two. We’ll call these
the “live” headers.
If your base configuration is 4x64 or 4x128, you need create only one module
interconnection chain, linking all J5 connectors (if expanding left) or linking all J4
connectors (if expanding right). If you set the J7 jumpers to also make the J3 or J6
headers live on all blocks in the matrix, you can alternately create this chain by
linking all J3 or all J6 connectors.
For all other base configurations, you must connect create two module
interconnection chains; one linking all J5 connectors and one linking all J6
connectors (if expanding left); one linking all J3 connectors and one linking all J4
connectors (if expanding right).
For each interconnection chain, to physically link the member modules in an
expanded-row matrix, you must connect the center eight pins either pins 3-17
(top row) or pins 4-18 (bottom row) of the corresponding (J214 or J25) extension
headers on each terminal block in the matrix. An example of one column of a
daisy-chain connection of a four-module matrix is shown below.
18 2
10
4
6
812
1416
20
1
35
7
9
1113
15
19
17
18 2
10
4
6
812
1416
20
1
35
7
9
1113
15
19
17
18 2
10
4
6
812
1416
20
1
35
7
9
1113
15
19
17
18 2
10
4
6
812
1416
20
1
35
7
9
1113
15
19
17
J5, 34934C-34934A in Slot 1
J5, 34934C-34934A in Slot 2
J5, 34934C-34934A in Slot 3
J5, 34934C-34934A in Slot 4
Safety
Interlock
Continuity
Jumpers
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