
Face Recognition Reader 
Installation Guide 
R21CF-30, R21CF-31, R21CF-32, R21CF-33 
2018/01/19 

Installation Guide 
The following documentation covers the installation / configuration procedures of your device. 
NOTE: The accuracy of the analytics algorithm may be affected by different environmental 
factors or inappropriate installation. Please follow the procedures in this installation guide. 
ACTi will not be held liable for inaccuracies resulting from the aforesaid causes. 
Step 1: Prepare for Installation 
A. Bundled accessories 
1. Mounting bracket 
2. Screw pack 
3. Input / Output cables 
B. Additional requirements 
1. DC 12 V Power supply with at least 1.5A output 
2. Ethernet cable 
Step 2: Know the Device 
The Device 
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Port Pins 
Standard Gigabit Ethernet 
DC 12V Power, 2Amp 
Right: 12V DC 
Left: Ground 
Installation Guide 
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Typical Wiring Scheme 
Installation Guide 
Step 3: Connect Other Devices 
1. Route the cables through the hole on the wall. 
2. Connect the devices, such as the power adapter, to the cables with terminal block (refer  
to the earlier sections to check the proper wiring connections). 
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Installation Guide 
Installation  
Height of Device (H) 
Installation height (H) measured from 
the bottom of the device to ground 
Step 4: Install the Device 
Installation Height Consideration 
  For installation with multiple devices, all units (including unit used for user enrollment) 
must be installed at the same height 
  Installation height depends on the end user’s minimum and average height  
  See below table to find the appropriate installation height 
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Installation Procedures 
Decide the appropriate 
height to mount the 
device (refer to the table 
above). 
Ensure power, network, 
communication, and I/O cables 
are available from the opening 
of the mounting bracket. 
Ensure the device is 
vertically installed and 
parallel to a vertical wall. 
Apply screws to tighten 
the mounting bracket on 
the wall. 
Installation Guide 
6 

Installation Guide 
Finally, mount the two (2) 
bundled screws at the 
bottom of the device. 
Power up the device to test if all 
the cables are connected 
correctly  
Connect all the cables to the 
ports, and mount the device 
gently. 
Hook the top of the bracket and 
press it down. Slide the unit 
down to reach the bottom of the 
bracket. 
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