CDVI K4 Bluetooth Keypad Reader Installation Guide
- June 13, 2024
- CDVI
Table of Contents
QUICK START
INSTALLATION GUIDE K4
KRYPTO Bluetooth
Keypad/Reader
K4 Bluetooth Keypad Reader
Radio equipment for access control applications.
CDVI’s economical KRYPTO K4 keypad and card reader makes high security easy!
KRYPTO K4 Mifare® DESFire® EV2® keypad reader combined with CDVI EV2
credentials work right out of the box. No fastedious and complicated
programming required!
Factory-programmed, industry-unique secure CDVI protocol and encryption keys
ensure end-to-end encryption between the card, reader and A22K door
controller.
We CDVI declare
that the K4 radio equipment complies with directive 2014/53/UE. The full text
of the EU declaration is available at www.cdvi.com
- Easy to use & FULLY secure CDVI protocol usingauthenticationwithdiversifiedkeys
- Reads 13.56 MHz Mifare Classic and DESFire EV2 credentials
- OSDP-2 compatible
- Bluetooth
- Up to 2 in. (5cm) read range
- Power requirements: 12V dc
- Current consumption : 200mA
MOUNTING
LED STATUS INDICATORS
Here are the LED status when connected to an A22K ATRIUM controller:
| LED State | Buzzer | Description |
|---|---|---|
| Steady blue | – | Standby (door secure) |
| LED green 5 sec. | Chirp beep | Access granted |
| 5 rapid red blinks | Steady beep for 3 sec. | Access denied |
| Flashing blue | – | Reader compromised (lost its encryption key) |
| Blinks green every 3 sec. | – | Door unlock schedule |
| Flashing red | Steadybeep | Door forced alarm |
| Flashing red | Beep every 2 sec. | Door open too long pre-alarm |
| Flashing red rapidly | Fast beep | Door open too long alarm |
Note:
Door output timings such as; unlock time (access granted), door open too long
pre-alarm and door open too long alarm, can be modified in the ATRIUM software
“Door Properties” window.
WIRING DIAGRAM
RS485 OUTPUT READER:
Each A22K controller supports Entry/Exit reader option, 2 readers per reader
port. Connect the 2 readers in parallel as shown in the diagram.
Set the position of the switch before powering the reader, or unplug and plug
the reader if you change the dip switch to the output mode.
Make sure to offset readers by a distance of 6 in. (20 cm) to avoid any
interference.
It is recommended to use twisted pair wiring as shown below between the reader
and the A22K ATRIUM controller.
Distance between the reader and the controller up to 1220m (AWG 22 cable).
All the information contained within this document (pictures, drawing, features, specifications and dimensions) could be perceptibly different and can be changed without prior notice. CDVI_K4_QS_03_FR-EN_A4_CMYK