1. Introduction
This manual provides essential information for the installation, configuration, operation, and maintenance of the ADTRAN Total Access 908E Gen 3 Router. This device is designed for carrier Ethernet and SIP/MGCP Voice over IP (VoIP) networks, offering robust routing and voice features for efficient IP service delivery.
2. Safety Information
Observe the following safety precautions during installation and operation:
- Ensure the device is installed in a well-ventilated area to prevent overheating.
- Use only the power adapter supplied with the unit.
- Do not expose the device to water or excessive humidity.
- Avoid placing the device near heat sources or in direct sunlight.
- Disconnect power before cleaning or performing any maintenance.
3. Package Contents
Verify that your package contains the following items:
- ADTRAN Total Access 908E Gen 3 Router (Model 4243908F2)
- Power Cord
- Rack Mounts (if applicable)
- Console Cable
4. Physical Overview
This section details the physical components and ports of the ADTRAN Total Access 908E Gen 3 Router.

Figure 1: ADTRAN Total Access 908E Gen 3 Router, illustrating the front and rear panels. The top image shows the front panel with LED indicators, while the bottom image displays the rear panel with various connectivity ports.
4.1 Front Panel Indicators
The front panel of the router features several LED indicators to display the device's operational status:
- VOICE: Indicates the status of voice services.
- STATUS: Indicates the overall system status.
- GIG 1: Status for the Gigabit Ethernet port 1.
- USB: Indicates USB port activity.
- T1 (1-4): Status for T1 interfaces 1 through 4.
- ETH 1, ETH 2: Status for Ethernet ports 1 and 2.
4.2 Rear Panel Ports
The rear panel provides various connectivity options:
- VOICE (DB-25): Connector for voice services.
- FXO 0/0 (RJ-11): Foreign Exchange Office port for analog line connection.
- T1 0/1 - T1 0/4 (RJ-48C): Four T1/E1 interfaces for digital voice and data.
- ETH 0/1, ETH 0/2 (RJ-45): Fast Ethernet ports.
- GIG 0/1 (RJ-45): Gigabit Ethernet port (10/100/1000 BASE-T).
- USB: USB port for future expansion or configuration.
- CRAFT (DB-9): Console port for local management access.
- BBU: Battery Backup Unit connector.
- AC INPUT: Power input connector.
5. Setup
Follow these steps to set up your ADTRAN Total Access 908E Gen 3 Router:
5.1 Placement
Place the router on a stable, flat surface or install it in a standard 19-inch equipment rack using the provided rack-mount brackets. Ensure adequate airflow around the unit.
5.2 Power Connection
- Connect the power cord to the AC INPUT port on the rear panel.
- Plug the other end of the power cord into a grounded electrical outlet.
- The device will power on automatically. Observe the front panel LEDs for initial boot-up status.
5.3 Network Connections
Connect your network cables to the appropriate Ethernet ports:
- WAN Connection: Connect your Internet service provider's Ethernet cable to the GIG 0/1 port.
- LAN Connections: Connect local network devices (e.g., switches, computers) to the ETH 0/1 or ETH 0/2 ports.
5.4 Voice Connections
Depending on your service, connect voice lines:
- Analog Lines: Connect analog telephone lines to the FXO 0/0 port.
- Digital T1 Lines: Connect T1 lines to the T1 0/1 through T1 0/4 ports.
- Voice Equipment: Connect voice equipment to the VOICE port using the appropriate cable.
5.5 Console Connection (Optional)
For initial configuration or troubleshooting, connect a computer to the CRAFT port using the console cable.
6. Operating Instructions
After physical setup, configure and operate the router.
6.1 Initial Power-Up
Once connected to power, the router will initiate its boot sequence. Monitor the STATUS LED on the front panel. A steady green light typically indicates successful boot-up and operational status.
6.2 Accessing the Management Interface
The ADTRAN Total Access 908E Gen 3 can be managed via a web-based Graphical User Interface (GUI) or a Command Line Interface (CLI) through the console port.
- Web GUI: Open a web browser and enter the router's default IP address (refer to your network administrator or product documentation for the specific IP). Enter the default username and password when prompted.
- CLI (Console): Use a terminal emulation program (e.g., PuTTY, Tera Term) on your computer connected to the CRAFT port. Configure the serial connection settings (e.g., baud rate 9600, 8 data bits, no parity, 1 stop bit, no flow control).
6.3 Basic Configuration
Refer to the comprehensive ADTRAN Operating System (AOS) documentation for detailed configuration instructions. Key configuration areas include:
- IP Addressing: Configure WAN and LAN IP addresses, subnet masks, and default gateways.
- Routing: Set up static routes or dynamic routing protocols.
- VoIP Settings: Configure SIP or MGCP parameters, including registrar servers, proxy servers, and dial plans.
- Firewall and Security: Implement access control lists (ACLs) and other security features.
7. Maintenance
Regular maintenance ensures optimal performance and longevity of your router.
7.1 Firmware Updates
Periodically check the ADTRAN support website for the latest firmware versions. Updating firmware can provide new features, performance improvements, and security patches. Follow the instructions provided with the firmware package carefully.
7.2 Configuration Backup and Restore
Regularly back up your router's configuration to an external storage device. This allows for quick restoration in case of accidental changes or system issues.
7.3 Cleaning
Clean the exterior of the router with a soft, dry cloth. Do not use liquid cleaners or aerosol sprays. Ensure ventilation openings are free from dust and obstructions.
8. Troubleshooting
This section addresses common issues you might encounter.
8.1 LED Indicator Meanings
| LED | Status | Description |
|---|---|---|
| STATUS | Solid Green | System is operating normally. |
| STATUS | Flashing Green | Booting up or performing a task. |
| STATUS | Solid Red/Amber | System error or fault. |
| VOICE | Solid Green | Voice services are active. |
| VOICE | Off | Voice services are inactive or not configured. |
| ETH/GIG | Solid Green | Link established. |
| ETH/GIG | Flashing Green | Activity on the port. |
| ETH/GIG | Off | No link or port disabled. |
8.2 Common Issues
- No Power: Ensure the power cord is securely connected to both the router and the electrical outlet. Verify the outlet is functional.
- No Network Connectivity: Check Ethernet cable connections. Verify LED indicators for the connected ports. Confirm IP configuration settings.
- Voice Service Issues: Check T1/FXO line connections. Verify VoIP configuration settings (SIP/MGCP registration). Consult your service provider.
- Cannot Access Web GUI: Ensure your computer is on the same network segment as the router. Verify the router's IP address and your computer's network settings. Try clearing your browser's cache.
9. Specifications
Key technical specifications for the ADTRAN Total Access 908E Gen 3 Router (Model 4243908F2):
- Brand: ADTRAN
- Model Number: 4243908F2
- Hardware Platform: PC
- Item Weight: 8.32 pounds
- Product Dimensions: 22.5 x 16.5 x 6 inches
- Color: Black/blue
- Connectivity Technology: Ethernet
- LAN Port Bandwidth: 10/100/1000 megabits per second (Gigabit Ethernet)
- Special Feature: WPS (Wireless Protected Setup - Note: This router is primarily wired, WPS may refer to a related feature or be a general specification from the source data)
- Included Components: Router
- UPC: 607565037399
10. Warranty and Support
ADTRAN products are typically covered by a limited warranty. For specific warranty terms and conditions, please refer to the documentation included with your purchase or visit the official ADTRAN website.
For technical assistance, product support, or to report issues, please contact ADTRAN customer support through their official channels. Have your product model number (4243908F2) and serial number ready when contacting support.





