--- title: "ZKBio Time.Net Add Device: TCP/IP Connection Guide | Qyvea" url: https://qyvea.co.ke/zkbio-time-net-add-device-tcp-ip description: "Add a ZKTeco terminal to ZKBio Time.Net by TCP/IP: area, IP, port, password, test connection and the Reset versus Merge choice for device data." updated: 2026-10-20 --- > Markdown copy of https://qyvea.co.ke/zkbio-time-net-add-device-tcp-ip for AI assistants. Prices and stock change; check the live page. 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Do it once, correctly, and everything else follows. [Shop ZKTeco K40 terminals →](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[Get help on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20ZKBio%20Time.Net%3A%20How%20to%20Add%20a%20Device%20by%20TCP%2FIP.%20I%20need%20help%20with%20my%20ZKTeco%20K40%20Pro.) Quick answer Open Device > Device > Add, choose TCP/IP, name the device, type its IP, port 4370 and Comm Key, pick an area, choose Reset (new device) or Merge (device already has users) and press Test Connection, then Save. **Buy your ZKTeco K40 from Qyvea**: Supplied and installed across Kenya. Delivered within 24 hours once payment is confirmed. [Shop ZKTeco K40 terminals →](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[All attendance terminals](https://qyvea.co.ke/products?cat=biometrics&search=attendance)[Ask Qyvea on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20ZKBio%20Time.Net%3A%20How%20to%20Add%20a%20Device%20by%20TCP%2FIP.%20I%20need%20help%20with%20a%20ZKTeco%20K40%20Pro.%20Please%20quote%20me.) ## Key takeaways - Create an Area before adding the device. - TCP/IP, port 4370 and matching Comm Key. - Reset wipes device users; Merge keeps them. - Press Test Connection before Save. ## Before you start - The terminal has a correct IP (see [set the IP](https://qyvea.co.ke/zkteco-k40-pro-set-ip-address)). - Ping from the PC works. - You have created at least one area under Device > Area > Add, for example Head Office. ## Fill the Add Device form 1. Connection Mode: **TCP/IP**. 2. Name: something clear such as *Main Gate K40 Pro*. 3. IP address, Port and Password: as on the terminal. 4. Status: leave it on **Enable**. 5. Area: select the area the device belongs to. 6. Device Data: choose **Reset** for a new terminal with no users, or **: Merge** to keep users already on it. 7. Click **Test Connection**. 8. Click **Save**. **Figure 1.** The Add Device form. ## Reset or Merge? **Reset** clears the terminal's users in favour of the software's copy. **: Merge** combines what is on the terminal with the software. Pick Merge if the terminal already holds fingerprints you want to keep; pick Reset for a new or test device. If unsure, download the terminal's data by USB first as a backup. ## Reading the result A green information box with model, user, fingerprint and record counts means success. A failure box means the connection did not complete; see [Connect to Terminal failed](https://qyvea.co.ke/zkbio-time-net-connect-to-terminal-failed). ## Next steps Add departments and employees ([departments and areas](https://qyvea.co.ke/zkbio-time-net-departments-and-areas)), sync them to the terminal, then set up shifts. ## A typical scenario A Lavington hospital's IT officer added a K40 Pro, ticked Reset by mistake and wiped the 40 users already on it. Next time they chose Merge, and the existing users were kept. Choosing the data option deliberately is the whole lesson of this screen. *Illustrative example based on common cases, not a named customer.* ## Common mistakes - Ticking Reset on a terminal that already has users. - Skipping Test Connection before Save. - Creating no area, then finding Save is blocked. - Leaving the status as Disable. - Duplicating the device under two names. ## Quick checklist 1. Area created 2. Terminal IP reachable by ping 3. TCP/IP, IP, port, Comm Key entered 4. Status Enable 5. Reset or Merge chosen on purpose 6. Test Connection green, then Save ## Frequently asked questions Can I add the device without an area? No. A device must belong to one area, so create it first. What if Test Connection works but Save fails? Check that the device name is unique and the status is Enable. Then restart the software as administrator. Can I add the same device twice? No. Each IP and serial number should be added once. Can one device be in two areas? No. A device belongs to one area only. This guide is part of our [ZKTeco K40 and ZKBio Time.Net series](https://qyvea.co.ke/zkteco-k40-zkbio-time-net-guides-kenya). For the full start-to-finish walkthrough with screenshots, read [How to Configure a ZKTeco K40 Pro with ZKBio Time.Net](https://qyvea.co.ke/how-to-configure-zkteco-k40-pro-zkbio-time-net). ZKTeco and ZKBio are trademarks of ZKTeco Inc. Menu names on the K40 Pro and in the software vary slightly by firmware and software version; where yours differ, look for the nearest match. Qyvea is a ZKTeco reseller and installer in Kenya. **Want us to do this for you?**: We supply, install, configure the software, enrol your staff and train your HR team. [Shop ZKTeco K40 terminals →](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[All attendance terminals](https://qyvea.co.ke/products?cat=biometrics&search=attendance)[Ask Qyvea on WhatsApp](https://wa.me/254113301244?text=Hi%20Qyvea%2C%20I%20read%20your%20guide%3A%20ZKBio%20Time.Net%3A%20How%20to%20Add%20a%20Device%20by%20TCP%2FIP.%20I%20need%20help%20with%20a%20ZKTeco%20K40%20Pro.%20Please%20quote%20me.) ## Why customers choose Qyvea **Genuine brands**: Manufacturer warranty on what we sell, so you are not gambling on the box. **One team, start to finish**: The people who advise you also install and support it. **Fast answers**: WhatsApp replies usually within 30 minutes, and delivery within 24 hours in Nairobi. **Easy to buy**: Pay by M-Pesa, bank transfer or card. Free delivery in Nairobi on orders over KES 5,000. **Risk taken off you**: 7-day returns and exchanges on products, and a workmanship warranty on installations. **Customers say so**: Rated 4.6/5 from 57 Google reviews. **Your next step takes one minute:** send us a photo of the place on WhatsApp and we will tell you what it needs. ## Related articles [Biometrics & Attendance · Guide ZKBio Time.Net With Multiple Terminals and Branches Plan areas, IPs and one employee list for several terminals and branches. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zkbio-time-net-multiple-devices-branches)[Biometrics & Attendance · Guide ZKBio Time.Net Backup and Restore: Protect Your Attendance Data Back up the database so a dead PC does not cost you a year of attendance records. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zkbio-time-net-database-backup-restore)[Biometrics & Attendance · Guide ZKBio Time.Net: Add a Manual Punch for a Missed Check-In or Check-Out Add a logged punch when someone forgot, and keep an audit trail. 2 min read**READ FULL ARTICLE →**](https://qyvea.co.ke/zkbio-time-net-manual-punch-missed-checkin) ### Related guides [All ZKTeco K40 and ZKBio guides](https://qyvea.co.ke/zkteco-k40-zkbio-time-net-guides-kenya)[Configure a K40 Pro with ZKBio Time.Net](https://qyvea.co.ke/how-to-configure-zkteco-k40-pro-zkbio-time-net)[Use ZKTeco attendance software](https://qyvea.co.ke/how-to-use-zkteco-attendance-software) ### Related products [ZKTeco K40 terminal](https://qyvea.co.ke/products/zkteco-k40-fingerprint-time-attendance-terminal-67)[ZKTeco K40 price in Kenya](https://qyvea.co.ke/zkteco-k40-price-in-kenya)[ZKTeco attendance machines](https://qyvea.co.ke/zkteco-attendance-machine-price-in-kenya) ### Related services [Biometrics & attendance](https://qyvea.co.ke/biometrics)[Biometric attendance systems](https://qyvea.co.ke/biometric-attendance-systems-kenya) [← Previous**How to Set the Date and Time on a ZKTeco K40 Pro**](https://qyvea.co.ke/zkteco-k40-pro-set-date-and-time)[Next →**: ZKBio Time.Net With Multiple Terminals and Branches**](https://qyvea.co.ke/zkbio-time-net-multiple-devices-branches) ## Need this system installed? 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