STEPRACE: Service & Maintenance Manual - rev. 1.2
Page 6.12
Connect the tester to the output connector of printer cable A419, and connect the other end to
the machine. Choose any workout program: as soon as the last value entered has been
confirmed, the workout starts and the machine immediately transmits the data via the serial
port. The RD LED should blink red.
(3) Using a tester, check the continuity of printer cable A419. See paragraph 4.2. “Connecting to
the printer”.