1. บทนำ
The MikroTik hAP ac lite (RB952Ui-5ac2nD-US) is a versatile dual-concurrent access point designed to provide reliable Wi-Fi coverage across both 2.4GHz and 5GHz frequencies simultaneously. This device is equipped with a 650MHz CPU, 64MB RAM, and runs on RouterOS L4 license, offering extensive configuration options for various networking needs. It features five 10/100Mbps Ethernet ports, with Power over Ethernet (PoE) output capability on port 5, and a USB port for connecting 3G/4G modems. This manual provides essential information for setting up, operating, and maintaining your hAP ac lite device.
2. สินค้าหมดview
The hAP ac lite is a compact device with clearly labeled ports and indicators for easy identification and setup.

รูปที่ 1 : ด้านหน้า view of the MikroTik hAP ac lite with port and indicator labels.
2.1. ส่วนประกอบทางกายภาพ
- กำลังไฟเข้า: DC 10-28V power jack.
- พอร์ตอีเธอร์เน็ต: Five 10/100Mbps Ethernet ports. Port 1 is labeled "Internet" and supports PoE input. Port 5 is labeled "PoE out" and can supply power to other PoE-compatible devices. Ports 2, 3, and 4 are standard LAN ports.
- พอร์ต USB: A USB port for connecting 3G/4G modems or other USB devices.
- ปุ่มรีเซ็ต (RES): Used for factory reset or other system functions.
- ปุ่ม WPS: For easy Wi-Fi Protected Setup.
- ไฟ LED แสดงสถานะ: Power (PWR) and User (USR) LEDs to indicate device status.
2.2. คุณสมบัติหลัก
- Dual-concurrent Wi-Fi for 2.4GHz (802.11b/g/n dual-chain) and 5GHz (802.11ac single-chain).
- 650MHz CPU and 64MB RAM for efficient performance.
- Five 10/100Mbps Ethernet ports, with PoE output on port 5.
- USB port for 3G/4G modem support.
- RouterOS L4 license for advanced routing and network management.
- Factory locked to specific frequencies for USA region: 2412-2462MHz, 5170-5250MHz, and 5725-5835MHz.
3. การตั้งค่า
Follow these steps to set up your MikroTik hAP ac lite access point.
3.1. การเชื่อมต่อเบื้องต้น
- การเชื่อมต่อไฟฟ้า: Connect the provided power adapter to the DC 10-28V power jack on the device.
- การเชื่อมต่ออินเตอร์เน็ต: Connect your internet source (e.g., modem or main router) to the Ethernet port labeled "Internet" (Port 1). This port also supports PoE input.
- Local Area Network (LAN) Devices: Connect your wired devices (e.g., computers, switches) to the Ethernet ports labeled "LAN" (Ports 2, 3, 4).
- เอาต์พุต PoE: If you have a PoE-compatible device, you can connect it to Port 5 ("PoE out") to provide both data and power.
- อุปกรณ์ USB: If using a 3G/4G modem or other USB device, connect it to the USB port.
3.2. First-Time Access
Once powered on, the device will boot up. You can access the RouterOS configuration interface via a web browser or MikroTik's Winbox utility.
- Web อินเทอร์เฟซ: เปิด web browser and navigate to the default IP address (usually 192.168.88.1). Log in using the default username (admin) and no password (leave blank).
- Winbox: Download and run the Winbox utility from the MikroTik website. It will discover your device, allowing you to connect and configure it.
For a visual guide on connecting and setting up your MikroTik hAP ac lite, please refer to the video below:
Video: Dual-Concurrent 2.4/5GHz AP with USB for 3G/4G support. This video demonstrates the features and connectivity options of the MikroTik hAP ac lite.
4. ปฏิบัติการ
The hAP ac lite operates as a dual-band access point, providing wireless connectivity on both 2.4GHz and 5GHz frequencies. Its RouterOS L4 license allows for advanced network management, including routing, firewall rules, and user access control.
4.1. การกำหนดค่าไร้สาย
You can configure your wireless networks (SSIDs, security protocols, channels) through the RouterOS web interface or Winbox. The device supports 802.11b/g/n on 2.4GHz and 802.11ac on 5GHz.
4.2. USB Modem Functionality
The USB port allows you to connect a compatible 3G/4G modem, enabling the hAP ac lite to act as a primary or backup internet connection, especially useful in areas without traditional broadband access.
5. การบำรุงรักษา
Regular maintenance ensures optimal performance and security for your hAP ac lite device.
5.1. การอัปเดตเฟิร์มแวร์
It is recommended to keep your RouterOS firmware updated to the latest stable version. Updates often include bug fixes, security patches, and new features. You can check for and install updates via the RouterOS web interface or Winbox.
5.2. รีเซ็ตเป็นค่าโรงงาน
If you encounter persistent issues or forget your login credentials, you can perform a factory reset. To do this, press and hold the เรส (Reset) button while powering on the device. Continue holding the button until the PWR LED starts flashing, then release it. This will restore the device to its default factory settings.
6 การแก้ไขปัญหา
This section addresses common issues you might encounter with your hAP ac lite.
6.1. ไม่มีการเชื่อมต่ออินเตอร์เน็ต
- Verify that your modem or upstream router is working correctly.
- Ensure the Ethernet cable from your internet source is securely connected to the "Internet" (Port 1) on the hAP ac lite.
- Check RouterOS configuration for correct WAN settings (e.g., DHCP client, static IP).
6.2. ปัญหาการเชื่อมต่อ Wi-Fi
- Confirm that Wi-Fi is enabled on both 2.4GHz and 5GHz bands in RouterOS.
- Check your device's Wi-Fi settings to ensure it's connecting to the correct SSID with the correct password.
- ลองเปลี่ยนช่องสัญญาณ Wi-Fi เพื่อหลีกเลี่ยงการรบกวนจากเครือข่ายใกล้เคียง
6.3. อุปกรณ์ไม่ตอบสนอง
- Check the power connection and ensure the PWR LED is lit.
- Attempt to access the device via Winbox, which can sometimes connect even if the web interface is unresponsive.
- If all else fails, perform a factory reset as described in Section 5.2.
7. ข้อมูลจำเพาะ
Below are the technical specifications for the MikroTik hAP ac lite (RB952Ui-5ac2nD-US).
| คุณสมบัติ | ข้อมูลจำเพาะ |
|---|---|
| รหัสสินค้า | RB952Ui-5ac2nD-US |
| ซีพียู | 650เมกะเฮิรตซ์ |
| แรม | 64MB |
| พอร์ตอีเทอร์เน็ต | 5x10/100Mbps. |
| มาตรฐานไร้สาย | 2.4GHz: 802.11b/g/n (dual-chain) 5GHz: 802.11ac (single-chain) |
| พอร์ต USB | พอร์ต USB 2.0 (Type A) จำนวน 1 พอร์ต |
| อินพุต PoE | ระบบ PoE แบบ Passive บนพอร์ต 1 |
| เอาต์พุต PoE | ระบบ PoE แบบ Passive บนพอร์ต 5 |
| ระบบปฏิบัติการ | RouterOS L4 |
| ขนาด | 1.1 x 4.45 x 3.5 นิ้ว |
| น้ำหนัก | 0.035 ounces (approximately 1 gram) |
| Frequency Lock (USA) | 2412-2462MHz, 5170-5250MHz, 5725-5835MHz (cannot be removed) |
8. การรับประกันและการสนับสนุน
MikroTik products are covered by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation included with your product or visit the official MikroTik website. Technical support is available through MikroTik's online resources, including their extensive Wiki, forums, and support ticket system.
Always ensure you are using official MikroTik resources for support and information to guarantee the best assistance for your device.





