What configurations are available for the Welch Allyn Connex 7100 Series Spot Vital Signs Monitor?

WEL71WT6: SureBP NiBP, Nonin SPO2 and SureTemp Plus temperature modules.
WEL71WE6: SureBP NiBP, Nonin SPO2 and Thermoscan Pro4000 temperature modules.
WEL71WX6: SureBP NiBP and Nonin SPO2 modules.
WEL71XT6: SureBP NiBP and SureTemp Plus temperature modules.
WEL71XE6: SureBP NiBP and Thermoscan Pro4000 temperature modules.
WEL71XX6: SureBP NiBP modules.