Door Sensor ..........................................12 Fire Panel Integration ......................................14 Wiegand Output (26-bit protocol) .................................. 17 Powering Up the Unit ......................................19 Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 2 of 20...
This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 3 of 20...
• Mount the back plate of the head unit to the wall using screws appropriate for the surface being fastened to. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 4 of 20...
Drill and anchor the wall (where necessary) where the 4 mounting screws are to be fixed. • Mount the control unit to the wall using screws appropriate for the surface being fastened to. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 5 of 20...
Strip approximately ¼” (6mm) of sheath from each cable and insert into terminal blocks, checking that all wires are securely fastened. • Repeat the procedure at the control unit. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 6 of 20...
• If you previously removed the battery (as recommended), please reinstall it and fasten securely. • Reconnect the battery as shown below. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 7 of 20...
Connect the Live Lead of the lock to the terminal labeled Door Solenoid. • Connect a link between Link and NC and a link between COM and 12V Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 8 of 20...
24V output. To use a 24V lock a separate power supply will be required. Wire a 24V Fail Safe lock as shown in the diagram: Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011...
A fail secure lock needs supplying with a 24V supply to open the lock. The Digitus controller does not supply a 24V output. To use a 24V lock a separate power supply will be required. Wire a 24V Fail Safe lock as shown in the diagram: Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 10 of 20...
Connect a push-switch as shown in the diagram below. The exit delay is set through the PC software on a networked unit or through the menus on the head unit for a standalone. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011...
If used with the anti-tamper door sensors, the jumper of SW SEL (JMP1) must be set as follows. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 12 of 20...
Page 13
If the door sensor is not being used, the link must remain in place as shown below. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 13 of 20...
• Only remove the link between 0V and NC is the system is wired as follows. • Locating the reset switch eset Switch Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 14 of 20...
Page 15
If the fire panel integration is not being used, the link must remain in place as shown below. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 15 of 20...
Page 16
The alarm relay is connected as per the diagram below. • Alternatively the alarm relay can be used to power a 3rd party buzzer or siren. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 16 of 20...
The db Nexus controller offers a 26-bit Wiegand output, allowing seamless integration into 3rd-party Access Control System. • The diagram shows how to connect a control unit to a 3rd-party system. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 17 of 20...
Page 18
Network Connection • If the unit is networked, connect the RJ-45 plug as shown below. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 18 of 20...
If the unit does not get to this stage, or displays a different message, check that the cable between the head unit and control unit has been wired correctly. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 19 of 20...
Page 20
Digitus Biometrics, Inc. 2 East Bryan Street, Ste 502 Savannah, GA 31401 USA Phone: 912-231-8175 Fax: 912.629.9478 www.digitus-biometrics.com support@digitus-biometrics.com Specifications subject to change without notice. Models: db Nexus II, Nexus III Digitus Biometrics, Inc. 2011 Page 20 of 20...
Need help?
Do you have a question about the db Nexus II and is the answer not in the manual?
Questions and answers