Description
⚙️ Product Introduction
The SEATEL DAC-2202 with part number 125411-1 is a marine Antenna Control Unit (ACU) designed for stabilized satellite communication antenna systems. It is used to control antenna pointing and tracking functions on maritime VSAT installations, helping maintain the required antenna orientation while a vessel is underway.
The 125411-1 configuration is associated with the DVB receiver and coaxial antenna interface. The DAC-2202 calculates and controls antenna positioning functions such as azimuth and elevation, while receiving tracking and navigation information from the vessel’s onboard systems.
🔧 The unit provides a front-panel interface for monitoring and configuration and supports connections to antenna equipment, gyro/heading sources, and related satellite communication components. The DAC-2202 architecture also incorporates internal receiver, control, power-conversion, and interface circuitry.
📋 Technical Specifications
| Parameter | Value |
|---|---|
| Brand | SEATEL / Sea Tel |
| Model | DAC-2202 |
| Series | DAC-2200 / DAC-2202 |
| Product Name | Antenna Control Unit |
| Part Number | 125411-1 |
| Receiver Configuration | DVB |
| Antenna Interface | Coax |
| Mounting | 19-inch 1U Rack Mount |
| Condition / Status | Used |
| Country of Origin | United States |
⚡ Key Features
• Designed for marine stabilized satellite antenna control systems
• DVB receiver configuration for the 125411-1 version
• Coaxial antenna interface configuration
• Controls antenna pointing and tracking functions
• Supports vessel heading/gyro input for antenna stabilization
• Front-panel display and operator controls
• Suitable for marine VSAT and satellite communication applications
• Rack-mount construction for equipment-room installation
• Built-in control and interface electronics
• Suitable as a replacement or maintenance spare for compatible DAC-2202 installations
🛠️ Installation & Integration
Before replacing a DAC-2202, verify that the existing system uses the 125411-1 configuration. Sea Tel documentation identifies 125411-1 as the DVB/coax version, while other DAC-2202 part-number variants use different receiver or antenna-interface configurations.
Check the antenna control cable, gyro/heading input, receiver connections, power supply, software/firmware version, and existing system settings before commissioning. Incorrect configuration or an incompatible part-number variant may prevent proper antenna tracking.
For marine installations, power should be isolated before opening the equipment or changing internal connections. After installation, verify heading input, antenna movement, receiver lock/tracking status, and communication with the associated satellite equipment.
❓ FAQ
Q: What is the SEATEL DAC-2202 used for?
A: It is an Antenna Control Unit used to control and track stabilized satellite communication antennas, particularly on marine vessels.
Q: What does part number 125411-1 indicate?
A: The 125411-1 configuration is associated with a DAC-2202 using a DVB receiver and coaxial antenna interface.
Q: Can 125411-1 replace every DAC-2202 unit?
A: No. DAC-2202 variants can have different receiver and antenna-interface configurations. The existing part number and system configuration should be matched before replacement.
Q: Is this unit suitable for marine VSAT systems?
A: Yes. The DAC-2202 is designed for stabilized marine satellite antenna control applications.
Q: What should be checked before installation?
A: Check the part number, receiver configuration, antenna interface, wiring, gyro/heading input, software version, power requirements, and compatibility with the existing Sea Tel antenna system.
⭐ Related SEATEL Models
- SEATEL DAC-2202 125411-2
- SEATEL DAC-2202 125411-3
- SEATEL DAC-2202 125411-4
- SEATEL DAC-2202 125411-6
- SEATEL DAC-2202 125411-7
- SEATEL DAC-2202 125411-8
- SEATEL DAC-2202 125411-12
- SEATEL DAC-2202 ACU PCB Assembly 124813-1
- SEATEL DAC-2202 12-Bit S/D Converter 114836
- SEATEL DAC-2202 DC-DC Converter Assembly 112646-13
