Troubleshooting and Diagnostics 4
Keysight 34980A Service Guide 109
34937A 32-Channel GP Switch
The 34937A general-purpose switch module provides independent control of:
– Twenty-eight Form C (DPST) latching relays rated at 1 A
– Four Form A (SPST) latching relays rated at 5 A.
A simplified schematic is shown below.
402 142, 242 K508 802 342, 442 K608
403 143, 243 K507 803 343, 443 K607
404 144, 244 K506 804 344, 444 K606
405 145, 245 K504 805 345, 445 K604
406 146, 246 K503 806 346, 446 K603
407 147, 247 K502 807 347, 447 K602
408 148, 248 K501 808 348, 448 K601
Backplane
921 K704
922 K703
923 K702
924 K701
Matrix 1 Matrix 2