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COBHAM Sea Tel 2400 User Manual

COBHAM Sea Tel 2400
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EAR Controlled - ECCN EAR99
This technical data is subject to US Government export control in accordance with the
Export Administration Regulations. Export of this data to any foreign country, or disclosure
of this data to a Non-US person, may be a violation of Federal law.
Sea Tel, Inc.
(trading as Cobham SATCOM)
4030 Nelson Avenue
Concord, CA 94520
Tel: +1 (925) 798-7979
Fax: +1 (925) 798-7986
Thrane & Thrane A/S
(trading as Cobham SATCOM)
Lundtoftegaardsvej 93 D, 2800 Kgs.
Lyngby, Denmark
Tel: +45 3955 8800
Fax: +45 3955 8888
Web:
http://www.cobham.com/satcom
Email:
satcom.ohc@cobham.com
November 20, 2019 Document. No. 99-167970-B
EAR Controlled - ECCN EAR99
Sea Tel
2400 Dual Band Satellite Antenna
Installation M
anual

Table of Contents

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COBHAM Sea Tel 2400 Specifications

General IconGeneral
BrandCOBHAM
ModelSea Tel 2400
CategoryAntenna
LanguageEnglish

Summary

RED Declaration of Conformity

Product Names

Lists the Sea Tel products covered by the RED Directive 2014/53/EU.

Harmonized Standards

Specifies the harmonized standards for EMC, SES, and Safety compliance.

FCC Declaration of Conformity

1. Safety

Service

Procedures for authorized technicians regarding ACU and ADE access.

Do not service or adjust alone

Safety precaution against servicing equipment without assistance.

Grounding, cables and connections

Importance of grounding for shock and lightning protection, cable routing.

Power supply

Information on AC power connection to the ADE.

Do not operate in an explosive atmosphere

Warning against operating equipment in flammable environments.

Keep away from live circuits

Precautions for working with live electrical circuits.

SAFETY: INTERNAL BATTERY

Caution regarding internal lithium batteries and their replacement.

2. Introduction

General System Description

Overview of the stabilized antenna system's reliability and operation.

Purpose

Explains the system's function for shipboard two-way satellite communications.

Other Inputs to the System

Details external inputs like Gyro Compass, GPS, phone, and fax.

System Components

Outlines the two main groups: Above-Decks Equipment (ADE) and Below-Decks Equipment (BDE).

Dual Antenna Configuration

Describes setting up dual antennas for uninterrupted service due to blockage.

Dual Network Arbitrator

Explains configurations for accessing multiple networks via a dual network arbitrator.

Automatic Beam Switching (ABS)

Details the method for remotely reconfiguring the ACU for different beams or satellites.

OpenAMI P™, ROAM or VACP

Discusses standardized language for automatic beam switching via modem options files.

FCC Compliance

Addresses FCC requirements for continuous monitoring of pedestal pointing error.

Cyber Security Caution

Warns against direct internet connection and stresses changing default passwords.

3. Site Survey

Site Selection Aboard The Ship

Guidelines for choosing the optimal mounting location on a ship.

Antenna Shadowing (Blockage) and RF Interference

Importance of avoiding obstructions for signal integrity and preventing interference.

Mounting Foundation

Considerations for selecting and preparing the mounting foundation.

ADE Mounting Considerations

Specific points to consider when mounting the Above-Decks Equipment.

Sizing of the support pedestal

Factors to consider when determining the height and design of the support pedestal.

Mounting Height and Fore-Aft Location

Guidance on selecting mounting height and location to prevent vibration issues.

Mast Configurations

Discusses different mast types and considerations for mounting the ADE.

Vertical Masts

Details on vertical mast design and mounting considerations.

Raked Masts

Discusses raked mast configurations and associated mounting challenges.

Girder Masts

Explains girder mast designs and their stiffness characteristics.

Truss Mast

Information on truss mast designs and guidelines for antenna mounting.

Safe Access to the ADE

Requirements for providing safe access for installation and maintenance.

Below Decks Equipment Location

Guidance on selecting suitable locations for below-decks equipment.

Cables

General recommendations for cable installation and routing.

ADE/BDE Coaxial Cables

Specifics on coax cable selection and installation for ADE/BDE.

Antenna Power Cable

Guidelines for installing the antenna power cable.

Air Conditioner Power Cable

Recommendations for the AC power cable for the air conditioner.

ACU Power Cable/Outlet

Notes on AC power for the Antenna Control Unit.

Gyro Compass Cable

Guidance on selecting and installing the gyro compass interface cable.

Grounding

References installation chapter for grounding information.

4. Installation in 144” Radome

General Cautions & Warnings

Important safety and tightening torque specifications for installation.

Preparation

Steps to take before beginning the installation procedure.

Separate the Base Frame & Radome Crates

Instructions for separating the base frame and radome crates.

Assembling the Above Decks Equipment (ADE)

Process for assembling the main Above Decks Equipment.

Base Frame

Procedure for opening and preparing the base frame crate.

Marine Air Conditioner (internal)

Steps for installing the internal marine air conditioner unit.

Pedestal & Reflector

Details on hardware kits and assembly for the pedestal and reflector.

Open the Radome Crate

Instructions for opening the radome crate to access panels and hardware.

Assembling the Lower Radome Panels

Procedure for assembling the lower half of the radome panels.

Sub-assemble the upper panels of the 144” Radome Assembly

Steps to sub-assemble the upper radome panels.

Close the 144” Radome Assembly

Procedure for closing the 144-inch radome assembly.

Preparing to Hoist the ADE

Steps for preparing the Above Decks Equipment for hoisting.

Installing The ADE

Instructions for installing the complete Above Decks Equipment.

Hoist the ADE

Procedure for safely hoisting the Above Decks Equipment.

Connecting the ADE

Steps for connecting the Above Decks Equipment to power and data.

Installing the Below Decks Equipment

Instructions for installing and connecting the Below Decks Equipment.

General Cautions & Warnings

Safety and authorization warnings for installing system components.

Connecting the BDE AC Power Cables

Instructions for connecting AC power to the Below Decks Equipment.

Media Xchange Point™ (MXP) Connections

Details on connecting various devices to the MXP.

J10D OBM

Connection details for Out of Band Management equipment.

J11 SBS/Synchro Gyro

Interface connections for SBS or Synchro Gyro Compass.

J12 Aux 232

Auxiliary wired RS-232 connection details.

J13 NMEA 0183 GYRO/GPS Compass

NMEA 0183 I/O connections for Gyro/GPS Compass.

J14 Aux 232

Auxiliary RS-232 connection details for Antenna M&C.

J15 NMEA 2000

NMEA 2000 interface port details (future development).

Other BDE connections

Connecting other equipment as shown in the system block diagram.

BDE Final Checks

Performing visual and electrical inspection of connections.

Visual/Electrical inspection

Performing visual inspection of work to ensure proper connections.

Electrical - Double check wiring connections

Emphasizes double-checking all wiring for safety.

Setup - Media Xchange Point™ (MXP)

Steps for setting up, calibrating, and commissioning the antenna system via MXP.

Cyber Security Caution

Reiterates caution about network security and default passwords.

5. Configuring a Computer for the MXP

6. Setup – Ship’s Gyro Compass

Setting the Gyro Type

Selecting the correct gyro compass interface signal type.

If there is NO Ships Gyro Compass

Procedure for operating the system without gyro compass input.

7. Setup – Tracking Receiver – VSAT

Determining the IF Tracking Frequency (MHz)

Calculating and entering the IF tracking frequency for the MXP.

SAT SKEW

Using SAT SKEW to optimize feed polarization for satellite signal.

8. Setup – Azimuth Trim

9. Setup – Blockage & RF Radiation Hazard Zones

Radiation Hazard and Blockage Mapping

Mapping zones to inhibit transmission due to blockage or RF hazards.

Programming instructions:

Step-by-step guide for programming blockage zones using MXP software.

10. Configuring The Satellite Modem Interface.

Satellite Modem Interface

Overview of configuring the satellite modem via the Communication Interface.

Reflector setting

Selecting the reflector (Primary/Secondary) for modem configuration.

Modem Type setting

Defining the satellite modem manufacturer for system integration.

Modem I/O setting

Specifying the communication interface type between MXP and modem.

Modem I/O – Custom Settings

Manually defining driver, detector, and positive satellite ID settings for custom modems.

Modem I/O – Lock Input - 12V Pull Up

Setting the 12VDC Pull Up resistor for positive satellite ID input.

Modem I/O – Block Output – Polarity

Defining the logic level for mute signals from MXP to modem.

Modem I/O – Block Output – 12V Pull Up

Setting the 12VDC Pull Up resistor for blockage output.

Quick Reference: Common Modem Lock & Mute Settings

A table summarizing common modem lock and mute settings for various types.

11. Setup – Targeting

AUTO TRIM

Automatically calculates and sets Azimuth/Elevation trim offsets for antenna calibration.

Manually Optimizing Targeting

Step-by-step process for manually optimizing antenna targeting.

12. Setup – Satellite Configuration

Searching Patterns

Defines different patterns for satellite acquisition when signal is lost.

TX Pol select

Selecting the transmit polarity for C-Band or Ku-Band feeds.

Band select

Controlling band selection for Ku-Band LNBs.

X-Pol / Co-Pol select

Selecting X-Pol or Co-Pol for Ku-Band linear feeds.

Selecting/Configuring Your Satellite Configuration

Steps to choose or create a satellite configuration.

13. Quick Start Operation

If satellite signal is found AND network lock is achieved:

Describes automatic satellite acquisition and operation when signal is found.

If no signal is found:

Troubleshooting steps when the system fails to find a satellite.

If satellite signal is found but network lock is NOT achieved:

Troubleshooting steps when signal is found but modem lock is absent.

To Target a different satellite

Procedure to select and target a different satellite.

14. Optimizing Cross-Pol Isolation

Optimizing Cross-Pol Isolation

Procedure for arranging cross-pol isolation testing with the NOC.

Cyber Security Caution

Reiterates caution about network security and default passwords.

15. Installation Troubleshooting

Troubleshooting Ships Gyro Compass problems

Diagnosing and resolving issues with the ship's gyro compass input.

16. Maintenance

Warranty Information

Details on the Sea Tel limited warranty for parts and labor.

Torque and Loctite Specifications

Specifications for tightening torque values and Loctite product numbers.

General Maintenance

Procedures for general maintenance tasks.

Installing the Linear/Circular Selectable Feed Assembly

Steps for installing the selectable feed assembly on the reflector.

Fine Balance and Monitoring Motor Drive Torque

Using graphs to monitor motor drive torque and verify antenna balance.

17. Stowing the Antenna

Installing the Stow Restraints

Procedure for installing stow restraints to secure the antenna during underway conditions.

18. 2400 Dual Band Technical Specifications

Above Decks Equipment

Technical specifications for the Above Decks Equipment (ADE).

Below Decks Equipment

Technical specifications for the Below Decks Equipment (BDE).

Regulatory Compliance

Compliance with various international standards and regulations.

Cables

Specifications for various cables used in the system.

Antenna Transmit & Receive IF Coax Cables (Customer Furnished)

Recommended coax cable types and sizes for L-Band.

Multi-conductor Cables (Customer Furnished)

Recommended wire gauges for AC & DC multi-conductor cables.

Gyro Compass Interface Cable (Customer Furnished)

Specifications for the shielded gyro compass interface cable.

AC Power Cable (Pedestal & RF Equipment)

Power requirements and specifications for AC power cables.

AC Power Cable (Optional Marine Air Conditioner)

Power requirements for the optional marine air conditioner.

19. Drawings

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