Use a category 5 class shielded LAN cable (available separately).
And use a switching hub compatible with 100BASE-TX for the LAN hub (available separately).
*To connect the CDJ-3000, use a switching hub (1000BASE-T compatible type, available separately) to improve communication speed between the multi players.
*The DJM-A9 LAN terminal specifications are 100BASE-TX.
*You can't connect the unit with multi players from another brand.
*Some LAN cables and switching hubs may not work properly.