Agilent Technologies Introduction to the 34938A High-Current GP Switch Module

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34938A 20-Channel High-Current GP Switch Module

34938A D-Sub Connectors

Bank 1


	Bank 1		Bank 2

For orientation, the D-sub connector end of the module is facing you.

6NO	6C	1NO	1C	7NO	7C	2NO	2C	3NO	3C	9NO	9C	4NO	4C	5NO	5C	NC
1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17

Reserved 1NO 1C 7NO 7C 2NO 2C 3NO 3C 9NO 9C 4NO 4C 5NO 5C GND

50-Pin D-Sub Male Connector

18	19	20	21		22	23	24	25		26	27	28	29	30		31	32	33
GND	6NO	6C	7NO	7C	8NO		8C	8NO	8C	9NO		9C	4NO	4C 10NO 10C 10NO 10C
34	35	36	37	38	39		40	41	42	43		44	45	46	47	48	49	50

Channel	Pin	Channel	Pin	Channel	Pin	Channel	Pins	Channel	Pins
1NO	3	3NO	25	5NO	31	7NO	37	9NO	43

1Common	4	3Common	26	5Common	32	7Common	38	9Common	44

1NO	19	4NO	13	6NO	1	8NO	39	10NO	47

1Common	20	4Common	14	6Common	2	8Common	40	10Common	48

2NO	7	4NO	29	6NO	35	8NO	41	10NO	49

2Common	8	4Common	30	6Common	36	8Common	42	10Common	50

2NO	23	4NO	45	7NO	5	9NO	11	Reserved	18

2Common	24	4Common	46	7Common	6	9Common	12	GND	33

3NO	9	5NO	15	7NO	21	9NO	27	GND	34

3Common	10	5Common	16	7Common	22	9Common	28	No Connect	17

Bank 2

16NO	16C	11NO		11C		17NO			17C		12NO		12C	13NO		13C			19NO		19C 14NO			14C		15NO		15C		NC
1	2		3		4			5		6	7		8	9			10		11		12	13			14	15			16	17
Reserved 11NO 11C					17NO			17C		12NO		12C 13NO			13C		19NO			19C 14NO			14C		15NO 15C				GND
18		19	20			21		22		23		24	25		26			27		28	29		30			31	32		33
GND 16NO			16C 17NO				17C 18NO				18C 18NO			18C		19NO			19C 14NO			14C 20NO				20C		20NO		20C
34	35		36		37		38			39	40		41	42			43		44		45	46			47	48			49	50

50-Pin D-Sub Male Connector

Channel	Pin	Channel	Pin	Channel	Pin	Channel	Pins	Channel	Pins
11NO	3	13NO	25	15NO	31	17NO	37	19NO	43

11Common	4	13Common	26	15Common	32	17Common	38	19Common	44

11NO	19	14NO	13	16NO	1	18NO	39	20NO	47

11Common	20	14Common	14	16Common	2	18Common	40	20Common	48

12NO	7	14NO	29	16NO	35	18NO	41	20NO	49

12Common	8	14Common	30	16Common	36	18Common	42	20Common	50

12NO	23	14NO	45	17NO	5	19NO	11	Reserved	18

12Common	24	14Common	46	17Common	6	19Common	12	GND	33

13NO	9	15NO	15	17NO	21	19NO	27	GND	34

13Common	10	15Common	16	17Common	22	19Common	28	No Connect	17

10	Agilent 34937A-34939A General Purpose Switch Modules User’s Guide

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Contents Agilent 34937A-34939A General Purpose Switch Modules Agilent Technologies, Inc 34980-90037Frame or chassis terminal Additional Safety NoticesUnited States 800 Europe 31 20 547 Japan Declaration of Conformity DoC for the 34980A mainframe Contents Page General Purpose Switch Modules Temperature Sensor Switching Reactive LoadsHardware Power-Fail Jumper Operating ConsiderationsPower Down State OpenOpening and Closing Channels 34937A, 34938A and 34939A Scpi Programming ExamplesReading Jumper State and System Identity Reading Cycle Count and Resetting Modules to Power-On State Command resets a module in slot 4 to its power- on state34937A 32-Channel GP Switch Module 34937A Simplified Schematic34937A D-Sub Connectors Wire Size AWG Typical AWG Max 34937T Terminal Block34938A 20-Channel High-Current GP Switch Module 34938A Simplified Schematic34938A D-Sub Connectors 34938T Terminal Block 34939A 64-Channel High-Density Form-A GP Switch Module 34939A Simplified Schematic34939A D-Sub Connectors Male Connector Pin D-Sub33 no 40 no 47 no 54 no 61 no 34 no 41 no 48 no 55 no 62 no34939T Terminal Block 34939A 64-Channel High-Density Form-A GP Switch Module Temperature sensor JumperIndex