How to install a MIDI cable
Single Port Midi Devices: In the back of your music keyboard locate the Midi Out port and plug the Midi Connector into the slot. Make sure that the cable marked "TO MIDI OUT" is plugged into this slot. Double Port Midi Devices: Locate Midi cable ports on the back of your music keyboard. Plug the Midi Connectors into their appropriate slot. Make sure that the cable marked "TO MIDI OUT" is plugged into the OUT slot and the cable marked "TO MIDI IN" is plugged into the IN slot.