Backbone Components

2-Wire Switch With Power Supply Connect up to 6 VTHs and 1 VTOs with no positive or negative poles When cascaded can connect up to 20 VTHs and 2...

Dahua 2-Wire Villa Network Controller Switch Supports 10-level cascade through the 2-wire port Recommended connection, up to 6 2-wire devices Sup...

2-Wire Network Controller 4 groups of 2-wire port, provide power and signal to other 2-wire devices RJ45 port, connected LAN Surface mounted &...

Dahua Lift Controller With RS485 & Wiegand Reader Capabilities Refurbished Product  - 6 Months Warranty - SN: TBA Connection up to 1 Wiegand r...

Connection up to 1 Wiegand reader and 2 RS485 readers Support 8 cascading, up to 128 floors permission control Alarm In/Out: 6/2 Alarm records and...