|Main pyro channel connection to pyro circuit
|Top 2
- |Main +
- |Main pyro channel common connection to battery +
+ |Main +++
+ |Main pyro channel common connection to battery +++
|Top 3
- |Battery +
+ |Battery +++
|Positive external battery terminal
|Top 4
|Apogee pyro channel connection to pyro circuit
|Bottom 2
- |Apogee +
- |Apogee pyro channel common connection to battery +
+ |Apogee +++
+ |Apogee pyro channel common connection to battery +++
|Bottom 3
|Switch Output