Acroprint TQ600F (software version 4.x and above) - Manual (Page 24)

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5. Communication Settings
You can set related parameters for the communication between the device and PC, including the IP address, Subnet
Mask, Gateway, DNS Server, Device ID, and Comm Key.
• IP Address: The IP address is 192.168.1.201 by default and can be changed as required.
• Subnet Mask: The subnet mask is 255.255.255.0 by default and can be changed as required.
• Gateway: The gateway is 0.0.0.0 by default and can be changed as required.
• DNS Server: The DNS server is 0.0.0.0 by default and can be changed as required.
• Device ID: This parameter is used to set the ID of device from 1 to 254. If the RS232/RS485 communication is
adopted, you need to enter the device ID on the software communication screen.
• Comm. Key: To enhance the security of attendance data, you can set a password for the connection between the
device and PC. Once the password is set, you can connect the PC with the device to access the attendance data
only after entering the correct password. The default password is 0 (that is, no password). Once a password is set,
you need to enter this password before connecting the PC software with the device; otherwise, the connection is
unsuccessful. 1 to 6 digit passwords are supported.