Dear B&O community After dismantling my MCL system, I am now trying to get my 3500 to communicate with the system, consisting of Beovision7, and Beomaster 7000. It worked fine for a while, paralell to the MCL system, but after I had the Beomaster renovated, changing an old capacitor, the 3500 won´t communicate with the system. The Masterlink cable was installed by a tech from B&O, but it is an aftermarket issue, and has a blue, a red, a brown, and an orange wire, plus four white ones. I am working with the multimeter, and have gotten as far as the 3500 responding for five seconds to the RADIO command, e.g. The system is wired through a 1614 connection box, and I think - but cannot verify - that the Beovision is master. The wiring from the BW goes to a small, white connection box, B&O issue, where Masterlink cables to the Beovision, the 1614, and to the 3500 are inserted. Now I have been told that the voltage from the Beovision should be around 10-14, and the Fluke 115 says 10.98-10.99 when I measure on  the ground to blue and ground to pink. I have also been advised to go to the MENU in Beovision and from there to LINK, where I should find Masterlink, Beolink, but those options do not appear. I am at my wits end.