1 Power supply connection
2 Serial interface RS-485 SUB 1
3 Serial interface RS-485 SUB2
4 STATUS display
5 RESET button
6 USB port
7 Ethernet connection (LAN)
8 Wiegand interface
9 Voltage output DC 5 V
10 Serial interface RS-232
11 Relay outputs x 6
12 Voltage output DV 24 V
13 Optocoupler inputs x 4
14 Mounting holes
15 Power supply compartment
16 USB connection (optional WLAN)
17 Cable holder