Nokia M-Bus, Bosch C-Bus universal cable schematic pinout

Most common schematic of m-bus and c-bus interface cable. Suitable for most Nokia (M-Bus) and Bosch 508, 509, 607, 608, 718, 738 (C-BUS) cell phones

This simplified M-Bus scheme should be used with most Nokia cell phones (i.e. Nokia 8210, 8850)

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