3 Expanded-Row Matrix Configuration
220 Keysight 34934A User’s Guide
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.
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.
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.
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