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. 2008 Sep;2(5):863–872. doi: 10.1177/193229680800200518

Figure 1.

Figure 1.

Schematic showing the components of the closed-loop system and identifying the communication links for each specific device. CSII is Continuous Subcutaneous Insulin Infusion; RF is Radio Frequency; PDM is Personal Diabetes Manager; RS-232 is a standard for serial binary data transfer; USB is Universal Serial Bus; and IrDA is Infrared Data Association.