Expanded-Row Matrix Configuration 3
Keysight 34934A User’s Guide 217
In the previous examples, note the module interconnection wires (illustrated from
the rear view) which link the terminal blocks.
Four modules can be interconnected on each side of the mainframe in this
manner, using three expansion cables. Should you need to make the last
connection (between the two upper or lower modules) for an eight-module
expanded matrix, you would have to fabricate the interconnection using eight 22
AWG coated wires, fitted to “crimp-to-wire” contacts with latch tabs (FCI part
#76357-301LF or equivalent).
Typically, you would connect the upper row of the
extension connector on a lower block to the lower row
of the block above it, as shown in the detail at right
(side view of terminal blocks and headers).
For convenience, Keysight sells (available separately) a
34934-80003 Expansion Cable Kit, which includes
pre-wired terminators (sold in pairs) you would use to
replace all but the bottom-most of the supplied
terminators in the daisy-chain illustrated at right.
The Expansion Cable (pictured below) has eight 20 AWG wires pre-connected to
the lower row (even pins 4-18) of an expansion terminator. The eight wires
connect to the upper row (odd pins 3-17) of the next-lower 34934C-001 in the
mainframe.
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