Reader Wiring - Honeywell PRO42R1 Installations And Specifications

Reader wiring

The reader port supports a reader with TTL (D1/D0, Clock/Data), F/2F, or 2-wire
RS-485 signaling. **Refer to the reader manufacture specifications for cabling
requirements. In the 2-wire LED mode the buzzer output is used to drive the sec-
ond LED. Reader port configuration is set via the host software. Do not terminate
any RS-485 device connected to the reader port.
Caution: : D1 to LED on supervised F/2f readers
PRO42R1 Installation Guide, Document 800-26500 3