Welch Allyn Duet CO2 Module - User Manual - Manual (Page 23)

Duet CO
2
Module OEM Implementation Manual
Welch Allyn OEM Technologies Confidential Page 23
Mainstream Interface
Nicolay Receptacle
Pin Signal
1 sense ground
2 - bias
3 ground return
4 thermistor
5 drive coil
6 + bias
7 ground return
8 IR detector output
9 +5 V
10 IR source
11 ground return
12 heater
13 signal ground
14 -5 V
15 EEPROM clock
16 sense coil
17 EEPROM data
18 EEPROM CS
19 N/C
20 ground return