Base Matrix Configuration 2
Keysight 34934A User’s Guide 139
Placing Safety Interlock Continuity Jumpers on the 34934C-002
Configuration Block
At each side of the configuration block are a pair of 20-pin
extension headers. On the right side are labeled J3 and J4; on the left side are J5
and J6. In all cases, pins 19 and 20 are the safety interlock pins.
These headers provide for row extension and row signal access, depending on the
placement of the jumpers in J7. You must have set the jumpers to extend rows
either to the left or right side of the configuration block (see “Placing Row
Extension Jumpers on the 34934C-002 Configuration Block” on page 136).
To provide continuity for the module’s safety interlock function, pins 19 and 20 on
both extension headers on the selected side (left or right) must be shorted.
– For each of these headers, install one of the supplied keyed 20-pin terminators
securely in that header, 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.
– The extension headers on the opposite (unused) side of the 34934C-002 do
not require a safety interlock terminator; these will be hidden by the
configuration block’s cover.
34934C-002 Configuration Block: Wiring
The next two subsections outline options for making row and column wiring
connections to the configuration block.
Extension Header (Row Signal) Wiring to the 34934C-002
Below is an illustration of the possible locations for making row signal connections
to the 34934T-002:
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