Cypress Computer Systems OSDP-Wiegand Interface with I/O

The OSDP-Wiegand Interface with I/O from Cypress Computer Systems retrofits a legacy Wiegand access control system to use SIA's OSDP (Open Supervised Device Protocol) standard. OSDP is an access control communications standard developed by the Security Industry Association to improve interoperability among access control and security products, and it is particularly valuable for government and higher-security installations.

This interface offers a choice of two operating modes. In PD (Peripheral Device) mode, it connects a traditional Wiegand reader to an OSDP access control unit. In ACU (Access Control Unit) mode, it connects an OSDP reader with a legacy Wiegand access controller. Two units may also be used together in opposite modes to connect a Wiegand reader to a Wiegand access controller, with an OSDP connection in between. When used in Secure Channel mode, the OSDP connection is securely encrypted with AES-128 to help halt Wiegand hacking.

The device is OSDP Verified, certifying that it meets independent conformance testing according to Security Industry Association specifications. With its on-board I/O and relay support, it is well suited for contractors and property owners modernizing existing access control hardware.

• OSDP Verified: conforms to SIA independent conformance testing
• Two operating modes: PD mode and ACU mode
• OSDP Secure Channel with AES-128 encryption
• Supports up to 256-bit Wiegand with GPIO including LED, REX/door position, lock and buzzer
• Supply voltage 8-16 Vdc, 300mA current
• Relay max switching: 220Vdc 30W (resistive), 1A / 250Vac 37.5VA 1A
• Board dimensions: 3.9 x 1.6 x 0.5 inches; weight 0.05 lbs.