O-510 Synare 2 Oscillators (part of Synare 3 set) in Eurorack format (4HP).
Two manualy tuned rectangular oscillators & noise gen & LFO source.

From top:
OSC1 tune knob
OSC1/off/noise  mode switch
OSC2 tune knob
OSC2/off/slow  mode switch
LFO out jack (triangle signal tuned by OSC2 knob, can be slowered in “slow” switch position)
OSC out jack (mixed OSC1&2 out)

Width: 4TE/ 4HP.
Depth: max. 55mm /2,2″
Current: 10mA
Power ribbon cable included (handy 20cm, 16/10pin).

Double check power connection before powering your system please.
“Red strip” means -12V connector side in Eurorack standards.
In some power distribution systems connector key can be reverted.
In this case cut connector key and plug power connector right way (with respect to red strip) or use different power cable appropriate to your power system.