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Guides and repair information for the BCI Capnocheck Plus, a capnograph monitor made by BCI International, Inc.

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Anyone have the BCI analog output cable pinout diagram?

I need the above named output cable, either 3 or 4 channel variety.

BCI 4 Channel/Distance Analog Output Cable (Polysomnography) for Capnocheck Sleep

Thanks

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Hi @nitrousdude

A search online for a BCI 4 Channel/Distance Analog Output Cable (Polysomnography) for Capnocheck Sleep came up with these suppliers

Interesting to note that some suppliers link the cable as being suitable for both the Plus and Sleep models

If this is the case, I think that perhaps as far as the analogue output pin connections are concerned that they should be the same.

Here's the BCI Capnocheck Plus Service Manual.pdf.

On p.20 of 66 it states that the analogue output is fed to a DB25 connector.

On p.57 of 66 the schematic shows the DB25 connector pinout wiring. I assume that this is the correct one, because it is the only DB25 connector shown in all the schematics

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Yeah the service manual looks accurate. I own one with the connector. Whats interesting is the config options say i can get 4 different adc outputs but the parallel port only seems to give 3 and that matches my tracing it.

ground pin 7, 21 = analog output 1, 23 =2, 24 = 3.

ps i have mine feeding data to an esphome device into mqtt-csv-oscar for home eers cpap experiments

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nitrous dude will be eternally grateful.
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