Agilent Technologies U2802A manual Pin Configurations and Assignments

3	Pin Configurations and Assignments
		28	TC22+	TC input or voltage input (See TC1+/– description)
		29	TC22–
		30	TC23+	TC input or voltage input (See TC1+/– description)
		31	TC23–
		32	TC24+	TC input or voltage input (See TC1+/– description)
		33	TC24–
		34	GND	Module Ground

40 Agilent U2802A 31-Channel Thermocouple Input User’s Guide