Using two Link Cables - simply: - Connect the Intercom Link IN port on the first Intercom, with the Intercom Link OUT on the second Intercom. Then, - Connect the Intercom Link OUT port on the first Intercom, with the Intercom Link IN on the second Intercom.
TWO Link Cables is required to connect two DUALPROs/FUSIONs
Use the Link cable to also connect the DUALPRO to a Speaker etc
Black 2m audio cable.
A great accessory for DUAL PRO / FUSION owners wanting to expand their intercom system
NB: Each DUALPRO/FUSION comes with a single LINK cable