Grandstream HT841/HT881 - Quick Installation Guide
Overview
The HT841/HT881 Analog VoIP Gateway series is an easy-to-setup IP communications solution suitable for small enterprises, virtual and branch locations, and businesses looking to integrate new IP technology with their existing phone systems. These enterprise analog VoIP gateways convert SIP/RTP IP calls into conventional PSTN calls. The series is available in two models: the HT841 with 4 FXO ports and the HT881 with 8 FXO ports. Both models share the same installation process.
Precautions:
- Do not attempt to open, disassemble, or modify the device.
- Do not use a third-party power adapter.
- Do not expose the device to temperatures outside the range of 0 °C to +40 °C (operation) and -10 °C to +60 °C (storage).
- Do not expose the HT841/HT881 to environments outside the humidity range of 10-90% RH (non-condensing).
- Do NOT power cycle the HT841/HT881 during system boot-up or firmware upgrade, as this may corrupt firmware images and cause the unit to malfunction.
Package Contents
The package for the HT841/HT881 includes:
- 1 x HT841/HT881 unit
- 1 x Ethernet Cable
- 1 x Quick Installation Guide
HT841/HT881 Ports
The HT841 and HT881 models feature the following ports:
Port | Description |
---|---|
12V | Power socket. Used to power HT841/HT881 (12V – 0.5A). |
NET 2 | Network NET2 port. Connects the HT841/881 to your PC or switch using an Ethernet RJ45 network cable. |
NET 1 | Network NET1 port. Connects the HT841/881 to your router or switch using an Ethernet RJ45 network cable. The presence of a triangle icon alongside NET1 indicates it serves as the WAN port by default. |
POE IN | PoE supported port. |
FXS | FXS port to connect an analog phone/fax machine to the HT841/HT881 using an RJ11 telephone cable. |
FXO 1...8 | FXO ports to be connected to physical PSTN lines from a traditional PSTN PBX or PSTN Central Office. The HT841 supports 4 FXO ports, and the HT881 supports 8 FXO ports. |
RESET | Factory reset button. Press for 7 seconds to reset to factory default settings. A quick press will only reboot the unit. |
Note: HT841/HT881 supports switching the working mode of NET1 and NET2 on the Web User Interface.
Connecting the HT841/HT881
The HT841/HT881 can be connected via either the NET 1 port (DHCP client) or the NET 2 port (DHCP Server).
Connecting the HT841/HT881 using NET 1 Port
- Insert a standard RJ11 telephone cable into an FXS port and connect the other end to a standard touch-tone analog telephone.
- Connect the NET 1 port of the HT841/HT881 to a router, switch, or modem using an Ethernet cable.
- Insert the power adapter into the HT841/HT881 and connect it to a wall outlet, ensuring compliance with the power adapter's technical specifications.
- The Power, NET 1, FXO, and FXS LEDs will be solidly lit when the HT841/HT881 is ready for use.
Connecting the HT841/HT881 using NET 2 Port
- Insert a standard RJ11 telephone cable into an FXS port and connect the other end to a standard touch-tone analog telephone.
- Connect a computer or switch to the NET 2 port of the HT841/HT881 using an Ethernet cable.
- Insert the power adapter into the HT841/HT881 and connect it to a wall outlet, ensuring compliance with the power adapter's technical specifications. If a PoE switch is used in step 2, this step can be skipped.
- The Power, NET 2, FXS, and FXO LEDs will be solidly lit when the HT841/HT881 is ready for use.
Configuring the HT841/HT881
Configure via IVR Menu
- Use an analog telephone connected to an FXS port of your HT841/HT881.
- Press *** (three times) to access the IVR menu and wait for the prompt "Enter the menu option".
- Follow the IVR Menu options to configure your HT841/HT881. Press * to move to the next option or # to go to the main menu.
Note: To obtain the IP address, press 02, and the current IP address will be announced.
Configure using Web UI
- Connect your computer to the same network as your HT841/HT881 and ensure the HT841/HT881 is booted up.
- You can check your HT841/HT881 IP address using the IVR on the connected phone.
- Open a web browser on your computer.
- Enter the HT841/HT881's IP address in the address bar.
- Enter the administrator's password to access the Web Configuration Menu. (By default, the admin password is on a sticker on the back of the unit).
U.S. FCC Part 15 Regulatory Information
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
Any changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
CAN ICES-003(B) / NMB-003(B)
If trouble is experienced with this equipment, please contact (Agent in the US):
Company Name: Grandstream Networks, Inc.
Address: 126 Brookline Ave, 3rd Floor Boston, MA 02215, USA
Tel: 1-617-5669300
Fax: 1-617-2491987
Refer to online documents and FAQ for more detailed information: www.grandstream.com/our-products
For Certification, Warranty, and RMA information, please visit www.grandstream.com
Please download the user manual and FAQ for more detailed configuration instructions: https://www.grandstream.com/our-products
Need Support?
Can't find the answer you're looking for? We're here to help!