Doorking 2334-080 VoIP RS-232 Control Box for 1830 Series 300mhz This kit maintains proper chain

This kit maintains proper chain tension and ensures smooth

and assorted hardware

Included Components: 2 idler pulleys

Safety Photoeyes Required: This board requires the use of safety photoeyes to meet UL standards and ensure safe operation

The DoorKing 1837-080 Telephone Entry System is a versatile access control solution designed for gated communities

Doorking 2334-080 VoIP RS-232 Control Box for 1830 Series 300mhz This kit maintains proper chainVoIP and RS 232 Control Interface for 1830 Series Systems The DoorKing 2334 080 VoIP RS 232 Control Box provides a unified communication and data interface for DoorKing 1830 series telephone entry systems. It enables secure VoIP voice connectivity and RS 232 data exchange for reliable remote access management. Designed for integration flexibility, this control module connects directly to the systems phone line and serial ports, supporting up to two