Serial Comm; Pc Connection - ZKTeco PA22 User Manual

PA22
5.2.

Serial Comm

The Serial Comm function facilitates to establish communication with the device through a serial port
(/RS485/ Master Unit).
Select Serial Comm on the Comm. Settings interface.
Function Description:
Function
No Using: Do not communicate with the device through the serial port.
RS485(PC): Communicates with the device through the RS485 serial port.
Serial Port
Master Unit: When RS485 is used as the function of "Master unit", the device will act
as a master unit, and it can be connected to the RS485 fingerprint & card reader.
The rate at which the data is communicated with PC, there are 4 options of baud rate:
115200 (default), 57600, 38400, and 19200.
The higher the baud rate, the faster is communication speed, but also the less reliable.
Baud Rate
Hence, a higher baud rate can be used when the communication distance is short;
when the communication distance is long, choosing a lower baud rate would be more
reliable.
5.3.

PC Connection

To improve the security of data, please set a Comm Key for communication between the device and the
PC.
The connection password needs to be entered before the device can be connected to the PC software if a
Comm Key is set.
Select PC Connection on the Comm. Settings interface to set Comm Key.
P a g e | 22
Descriptions
Copyright©2023 ZKTECO CO., LTD. All rights reserved.
User Manual