Model:1SCSI50 terminal block +0.75 meter wire

Model:2SCSI50 terminal block + 1 meter wire

Model:3SCSI50 terminal block + 1.5 meter wire

Model:4SCSI50 terminal block + 2 meter wire

Model:5SCSI50 terminal block + 3 meter cable

Model:6SCSI50 terminal block (no wiring)