HID iCLASS SE U90 - Page 3

3April 2018
iCLASS SE® U90 (U90.915 / U90.865) PLT-01545, Rev. A.4
2. Wiring
ATTENTION
Observe precautions for handling
ELECTROSTATIC SENSITIVE DEVICES
TERMINAL DESCRIPTION TERMINAL DESCRIPTION TERMINAL DESCRIPTION
P1-1 Beeper Input (BEEP) P2-1 GPIO4 (RS485-Y / TXA) P3-1 Earth Ground
P1-2 LED Input (GRN) P2-2 GPIO3 (RS485-Z / TXB) P3-2 Normally Closed (NC) - Relay 1
P1-3 Ground (GND) P2-3 **Wiegand Data 0 / Data (DATA0/DATA) P3-3 Common (COM) - Relay 1
P1-4 +VDC P2-4 **Wiegand Data 1 / Clock (DATA1/CLK) P3-4 Normally Open (NO) - Relay 1
P1-5 Unused (DRAIN) P2-5 *Open Collector Output / Tamper (OC/TMPR) P3-5 Normally Closed (NC) - Relay 2
P1-6 LED Input (RED) P2-6 GPIO2 (RS485-RXB) P3-6 Common (COM) - Relay 2
P1-7 Hold Input (HOLD) P2-7 GPIO1 (RS485-RXA) P3-7 Normally Open (NO) - Relay 2
* Tamper Output - When activated, output synchronizes to ground (default).
** Dependent upon reader configuration. See the HTOG for Wiegand and Clock-in-Data configurations.
P3-8 Normally Closed (NC) - Relay 3
P3-9 Common (COM) - Relay 3
P3-10 Normally Open (NO) - Relay 3
3. Install Reader to Backbox