28 Keysight 34921A-34925A User’s Guide
34922T Terminal Blocks
Two terminal blocks are available to facilitate wiring connections to the 34922A
module:
41H 1 48H 49 55H 37 62H 47 69H 31
41L 2 48L 50 55L 38 62L 48 69L 32
42H 5 49H 35 56H 43 63H 51 70H 71
42L 6 49L 36 56L 44 63L 52 70L 72
Description Pin Description Pin Description Pin Description Pin Description Pin Description Pin
As a safety feature, interlock 2 pins (39 and 59) on Bank 2 must be shorted to
enable the Bank 2 Analog Bus relays to close. the optional 34922T terminal
blocks short these pins for you. This feature protects inadvertent routing of
high voltages from the Analog Buses to the D-sub connector of the module.
34922T-001 (Option 001) Terminal block with solder connectors
34922T-002 (Option 002) Terminal block with screw connectors
All modules that connect to the internal DMM are interlock protected. This
means that when an installed module is exposed (no terminal block or cable is
connected), the Analog Bus relays are open and disconnected from the Analog
Buses. See “Safety Interlock” on page 11 for further information.
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