1. Pengenalan
The Grandstream HT818 is a powerful 8-port FXS VoIP Gateway designed to convert analog telephone and fax lines into a Voice over IP (VoIP) network. It features an integrated Gigabit NAT router, offering robust connectivity and high-quality voice communication. This device is ideal for users seeking to integrate traditional analog devices into modern IP-based communication systems, providing strong encryption, automated provisioning, and excellent network performance.
2. Maklumat Keselamatan
Please read and follow these safety instructions carefully to prevent damage to the device and ensure user safety:
- Gunakan hanya penyesuai kuasa yang disediakan bersama peranti.
- Jangan dedahkan peranti kepada air atau lembapan.
- Elakkan meletakkan peranti berhampiran sumber haba atau di bawah cahaya matahari langsung.
- Pastikan pengudaraan yang betul untuk mengelakkan terlalu panas.
- Jangan cuba membuka atau membaiki peranti sendiri. Rujuk semua servis kepada kakitangan yang berkelayakan.
3. Kandungan Pakej
Sahkan bahawa pakej anda mengandungi item berikut:
- Grandstream HT818 8-Port FXS VoIP Gateway Unit
- Penyesuai Kuasa Universal
- Kabel Ethernet
- Panduan Pemasangan Pantas
4. Fizikal Overview
The Grandstream HT818 features a compact design with clearly labeled ports for easy setup. Below is an image of the device, highlighting its key components.

Rajah 1: Grandstream HT818 Analog Telephone Adapter. This image shows the device from a slightly angled perspective, revealing its compact white casing and the various ports on the rear panel, including the FXS ports, LAN/WAN Ethernet ports, and power input.
Petunjuk Panel Depan:
- LED kuasa: Menunjukkan status kuasa.
- LED Internet: Indicates WAN port status.
- LED LAN: Menunjukkan status port LAN.
- FXS Port LEDs (1-8): Indicate the status of each analog phone port.
Port Panel Belakang:
- FXS Ports (1-8): RJ11 ports for connecting analog telephones or fax machines.
- Pelabuhan WAN: RJ45 Ethernet port for connecting to your internet router or modem.
- Port LAN: RJ45 Ethernet port for connecting to a local computer or network switch.
- Input Kuasa: Untuk menyambungkan penyesuai kuasa yang disediakan.
- Butang Tetapkan Semula: Digunakan untuk memulihkan tetapan lalai kilang.
5. Arahan Persediaan
Follow these steps to set up your Grandstream HT818:
- Sambungkan Kuasa: Plug the provided power adapter into the HT818's power input port and then into a power outlet. The Power LED should illuminate.
- Sambungan Rangkaian:
- Connect one end of an Ethernet cable to the HT818's WAN port and the other end to an available LAN port on your internet router or modem. The Internet LED should light up.
- Optionally, connect a computer or network switch to the HT818's LAN port using another Ethernet cable. The LAN LED should light up.
- Sambungkan Peranti Analog: Plug your analog telephones or fax machines into the FXS ports (1-8) on the HT818 using standard RJ11 phone cables. The corresponding FXS port LEDs will illuminate when a device is connected and registered.
- Konfigurasi Awal (Web Interface Access):
- Untuk mengakses web configuration interface, you will need the HT818's IP address. You can find this by connecting an analog phone to FXS port 1, dialing ***, then dialing 02. The IP address will be announced.
- Buka a web browser on a computer connected to the same network as the HT818 (either via the LAN port or your main router).
- Masukkan alamat IP HT818 ke dalam bar alamat penyemak imbas dan tekan Enter.
- Log in using the default username (admin) and password (admin). You should change the default password for security.
- Configure your SIP account details provided by your VoIP service provider within the web antara muka.
6. Arahan Operasi
Membuat Panggilan:
- Pick up the handset of the analog phone connected to an FXS port. You should hear a dial tone.
- Dail nombor telefon yang dikehendaki.
- Tunggu panggilan disambungkan.
Menerima Panggilan:
- When an incoming call arrives, the connected analog phone will ring.
- Angkat telefon bimbit untuk menjawab panggilan.
Faks:
The HT818 supports T.38 Fax over IP, which is crucial for reliable fax transmissions over a VoIP network.
- Ensure your fax machine is connected to an FXS port.
- Verify that T.38 support is enabled and correctly configured in the HT818's web interface, as well as on your VoIP service provider's side.
- Follow your fax machine's instructions for sending and receiving faxes.
7. Penyelenggaraan
Peningkatan Firmware:
Regularly check for and install firmware updates from the Grandstream website to ensure optimal performance, security, and access to new features. Firmware upgrades are typically performed via the device's web antara muka.
Konfigurasi Sandaran dan Pemulihan:
It is recommended to regularly back up your device's configuration settings. This allows for quick restoration in case of accidental changes or device replacement. The backup/restore function is available in the web antara muka.
Tetapan semula kilang:
A factory reset will revert all settings to their default values. This can be useful for troubleshooting or preparing the device for redeployment. To perform a factory reset, press and hold the reset button on the rear panel for approximately 7-10 seconds until the LEDs flash.
8. Penyelesaian masalah
If you encounter issues with your HT818, refer to the following common problems and solutions:
- Tiada Nada Dail:
- Ensure the power adapter is securely connected and the Power LED is on.
- Check that the Ethernet cable is properly connected to the WAN port and your router, and the Internet LED is active.
- Verify that the analog phone is correctly plugged into an FXS port and its corresponding LED is active.
- Confirm that your SIP account is registered successfully in the web antara muka.
- Tidak Boleh Membuat atau Menerima Panggilan:
- Check SIP registration status in the web interface. If not registered, verify SIP server settings, username, and password.
- Ensure your internet connection is active and stable.
- Check firewall settings on your router; SIP ALG should generally be disabled.
- Confirm that the correct dial plan is configured for outgoing calls.
- Isu Penghantaran Faks:
- Ensure T.38 Fax over IP is enabled in the HT818's web configuration and supported by your VoIP service provider.
- Try reducing the fax machine's transmission speed.
- Check for any network congestion or packet loss that might affect fax quality.
- Masalah Ketersambungan Rangkaian:
- Verify all Ethernet cables are securely connected.
- Check the status of the LAN and WAN LEDs.
- Restart the HT818, your router, and your modem.
9. Spesifikasi
Below are the technical specifications for the Grandstream HT818:
| Ciri | Penerangan |
|---|---|
| Jenama | Grandstream |
| Nombor Model | HT818 |
| Berat Barang | 1.45 paun (0.66 kg) |
| Dimensi Produk | 7.1 x 4.7 x 1.4 inci (18.03 x 11.94 x 3.56 cm) |
| Antara Muka Perkakasan | Ethernet |
| Peranti Serasi | Analog Telephone, Fax Machine |
| Protokol Pautan Data | Gigabit Ethernet |
| Kadar Pemindahan Data | 1000 Megabit Sesaat |
| Pengeluar | Grandstream Networks, Inc |
| UPC | 694727370241 |
| Pertama Tersedia | 25 April 2018 |
10. Waranti dan Sokongan
Produk Grandstream biasanya dilindungi oleh jaminan terhad. Untuk terma dan syarat waranti tertentu, sila rujuk kad waranti yang disertakan dengan produk anda atau lawati Grandstream rasmi website. For technical support, firmware updates, and additional resources, please visit the Grandstream support portal or contact your reseller.





