Doepfer CTM64 Relay Board - Manual (Page 6)

screw terminals X1...X16
(relay control inputs)
16 pin connector JP1
→ → → → to JP1 or JP2 or JP3 or JP4
of CTM64 main board
power supply input BU1
7-12V/160mA DC
LED controls D1...D16
(relay controls)
common line JP2
( → → → → JP6 of CTM64 main board)
power supply X17
(forwarded power supply)
LED control D17
(power display)