Only one controller device, VAMP 221 or VAMP 321 without external supply units or supply cabling
●Maximum 4 I/O units with fully populated sensor inputs
●Maximum 30 m (98 ft) of VX001 cabling, including all cabling from the beginning to end of the bus
●Maximum 30 m (98 ft) VX001 cable can be used between two individual units
Only one controller device, VAMP 221 or VAMP 321 with external supply units and supply cabling
●Maximum 16 I/O units with fully populated sensor inputs
●Maximum 100 m (328 ft) of VX001 cabling, including all cabling from the beginning to end of the bus
●Maximum 30 m (98 ft) VX001 cable can be used between two individual unit
More information in the attached document.