User manual
Appendix 
C: Communication interface  Model 2110 5½ Digit Multimeter Refere
nce Manual 
C-6  2110-901-01 Rev. C/August 2013 
Figure 48: USB connector 
Contact number  Signal name  Typical wiring assignment  Description 
1 
VBUS 
Red 
Floating 
2 
D- 
White 
Limit Test Pass 
3 
D+ 
Green 
Limit Test Fail 
5 
GND 
Black 
GND 
If you turn off the USB interface, the Pass/Fail output function will turn on automatically. 
If you want to use the Pass/Fail signal output, you must use the GPIB interface for remote control. 
Disconnect the USB cable from your instrument while using the Pass/Fail signal output. 
To turn on and off the pass/fail output: 
1.  Press the SHIFT key, and then press the CONFIG key. 
2.  Use the ► and ◄ keys to select INTERFACE. 
3.  Press ENTER. 
4.  Use the ► and ◄ keys to: 
•  Select GPIB to turn on the output. 
•  Select USB to turn off the output. 
5.  Press ENTER. 










