# C-bus II

Developed by Corolla
C-bus II is the successor to C-bus & Extended C-bus.

(At the backplane)
(At the device (card))

UNKNOWN CONNECTOR at the backplane.
UNKNOWN CONNECTOR at the device (card).

PA=Component side
PB=Solder side

Pin | Name
--- | ---
PA1 | GND
PA2 | AUX18
PA3 | AUX16
PA4 | GND
PA5 | AUX14
PA6 | AUX12
PA7 | GND
PA8 | AUX10
PA9 | AUX8
PA10 | GND
PA11 | AUX6
PA12 | AUX4
PA13 | GND
PA14 | AUX2
PA15 | AUX0
PA16 | GND
PA17 | RESERVED8
PA18 | RESERVED6
PA19 | RESERVED4
PA20 | RESERVED2
PA21 | RESERVED0
PA22 | GND
PA23 | GND
PA24 | AGND
PA25 | CID1
PA26 | CBCLK
PA27 | GND
PA28 | CRST#
PA29 | LED#
PA30 | GND
PA31 | CARB2
PA32 | CARB0
PA33 | GND
PA34 | TM2#
PA35 | TM0#
PA36 | GND
PA37 | STRT#
PA38 | CD31
PA39 | GND
PA40 | CD30
PA41 | CD29
PA42 | GND
PA43 | CD28
PA44 | CD27
PA45 | GND
PA46 | CD26
PA47 | CD25
PA48 | GND
PA49 | CD24
PA50 | CD23
PA51 | GND
PA52 | CD22
PA53 | CD21
PA54 | GND
PA55 | CD20
PA56 | CD19
PA57 | GND
PA58 | CD18
PA59 | CD17
PA60 | GND
PA61 | CD16
PA62 | E3
PA63 | GND
PA64 | E2
PA65 | CD15
PA66 | GND
PA67 | CD14
PA68 | CD13
PA69 | GND
PA70 | CD12
PA71 | CD11
PA72 | GND
PA73 | CD10
PA74 | CD9
PA75 | GND
PA76 | CD8
PA77 | CD7
PA78 | GND
PA79 | CD6
PA80 | CD5
PA81 | GND
PA82 | CD4
PA83 | CD3
PA84 | GND
PA85 | CD2
PA86 | CD1
PA87 | GND
PA88 | CD0
PA89 | E1
PA90 | GND
PA91 | E0
PB1 | +5V
PB2 | AUX19
PB3 | AUX17
PB4 | +5V
PB5 | AUX15
PB6 | AUX13
PB7 | +5V
PB8 | AUX11
PB9 | AUX9
PB10 | +5V
PB11 | AUX7
PB12 | AUX5
PB13 | +5V
PB14 | AUX3
PB15 | AUX1
PB16 | +5V
PB17 | RESERVED9
PB18 | RESERVED7
PB19 | RESERVED5
PB20 | RESERVED3
PB21 | RESERVED1
PB22 | VTERM
PB23 | +5V
PB24 | CID3
PB25 | CID2
PB26 | CID0
PB27 | +5V
PB28 | FAULT#
PB29 | LOCKCB#
PB30 | +5V
PB31 | CARB3
PB32 | CARB1
PB33 | +5V
PB34 | TM3#
PB35 | TM1#
PB36 | +5V
PB37 | ACK#
PB38 | CD63
PB39 | +5V
PB40 | CD62
PB41 | CD61
PB42 | +5V
PB43 | CD60
PB44 | CD59
PB45 | +5V
PB46 | CD58
PB47 | CD57
PB48 | +5V
PB49 | CD56
PB50 | CD55
PB51 | +3.3V
PB52 | CD54
PB53 | CD53
PB54 | +3.3V
PB55 | CD52
PB56 | CD51
PB57 | +3.3V
PB58 | CD50
PB59 | CD49
PB60 | +3.3V
PB61 | CD48
PB62 | E7
PB63 | +3.3V
PB64 | E6
PB65 | CD47
PB66 | +3.3V
PB67 | CD46
PB68 | CD45
PB69 | +3.3V
PB70 | CD44
PB71 | CD43
PB72 | +3.3V
PB73 | CD42
PB74 | CD41
PB75 | +3.3V
PB76 | CD40
PB77 | CD39
PB78 | +3.3V
PB79 | CD38
PB80 | CD37
PB81 | +3.3V
PB82 | CD36
PB83 | CD35
PB84 | +3.3V
PB85 | CD34
PB86 | CD33
PB87 | +3.3V
PB88 | CD32
PB89 | E5
PB90 | +3.3V
PB91 | E4