Title: Hardware Installation Guide.pdf
The first reader port supports readers that utilize D1/D0, Clock/Data, or OSDP 2-wire RS-485 electrical signaling. The first reader port can also be used as a 2-wire RS-485 interface which can be used to connect additional I/O boards. The second reader port supports readers that utilize D1/D0, Clock/Data. Power to the first reader is 12 VDC and is current limited to 150mA. The second reader may be powered from the auxiliary power output on TB4-1 and TB4-2. Readers that require different voltage or have high current requirements should be powered separately. Refer to the reader manufacturer specifications for cabling requirements. In the 2-wire LED mode, the Buzzer output is used to drive the second LED. Reader port configuration is set via the OnGuard software.122 — revision 6Note:Hardware Installation GuideReader 1 wiring1VO LED BZRCLK/D1 DAT/D0 GNDT B 2RED (1) BRN (4) ORG (5) WHT (3) GRN (2) BLK (6)FIRST READER PORT DATA1/DATA0 OR CLOCK/DATA