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Nera Inmarsat-c User Manual

Nera Inmarsat-c
228 pages
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INMARSAT-C MOBILE EARTH STATION
Nera C
Service Manual

Table of Contents

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Nera Inmarsat-c Specifications

General IconGeneral
BrandNera
ModelInmarsat-c
CategoryMarine Equipment
LanguageEnglish

Summary

Chapter 1. General

1.1 General

Provides an overview of Nera C, its successor to Nera C12, and its communication system capabilities.

1.2 Configuration

Details the system configuration of Nera C, including antenna and terminal units, and their interconnections.

1.3 Connection

Explains the connection procedures for antenna, terminal unit, junction port, LAN, DTE, and D-GPS ports.

Chapter 2. Block Description

2.1 Configuration

Illustrates the block diagram of the terminal unit, Nera C, showing its internal configuration.

2.1.2 Boards in each unit

Lists and describes the functions of various boards within the Antenna and Terminal units.

2.2 Antenna unit, IC-115

Details the components of the Antenna unit, IC-115, including the ANT RF board and antenna element.

2.3 Terminal unit, IC-215

Explains the configuration of the Terminal unit, IC-215, comprising PWR, RF CON/CPU, and TERM CPU boards.

Chapter 3. Location of Parts

3.1 Terminal unit, IC-215

Identifies the location of parts on the front and rear views of the IC-215 Terminal unit.

3.2 Antenna unit, IC-115

Shows the physical layout of the Antenna unit, IC-115, including its components and external connections.

3.3 Distress alert received unit, IC-305 and ALARM unit, IC-306

Locates parts for the Distress Alert Received unit (IC-305) and Alarm unit (IC-306).

3.4 Junction Box, IC-315 (Option)

Details the Junction Box, IC-315, including its physical appearance and terminal number assignments.

Chapter 4. Set up

4.1 System menu (F8)

Explains the System Setup menu accessed via F8, covering various settings like System Setup, Editor, Terminal, EGC, Email, and Directories.

4.2 Setting from Command Window

Describes how to configure settings like Remote Box Setup and Internal GPS transmitting cycle using the Command Window.

4.3 Jumper setting of IC-305 and 306

Details the jumper settings for IC-305 and IC-306 units to ensure proper recognition and functionality.

4.4 PR-240 power alteration

Provides instructions for altering the PR-240 power connection between 230 VAC and 115 V.

Chapter 5. Maintenance

5.1 PV (Performance Verification) test

Explains the Performance Verification test procedure for checking MES function and signal exchange.

5.2 Self test

Details the self-test procedures, including when the system is turned on and from the function menu, and lists TROUBLE messages.

5.3 Status monitor

Describes items displayed on the status monitor and provides NG analysis for various parameters.

5.4 Checking BPSK waveform

Explains how to check the strength of RX signal and synchronization status using the Lissajous waveform.

5.5 LED

Details the function and status of LEDs on the RF CON/CPU board, TERM CPU board, and IC-305/306 boards.

5.6 DIP switch and Reset switch on IC-215

Illustrates the function of DIP switches and reset switches on the RF CON/CPU and TERM CPU boards.

5.7 Checking LES Information

Explains how to check LES information, including LES ID, Name, Status, Services, and TDM channel.

5.8 Changing Back-up battery on TERM CPU board

Provides a procedure for safely changing the backup battery on the TERM CPU board.

5.9 Clearing Memory

Describes the procedure for clearing memory, required when replacing the battery or after an error.

5.10 Distress alert test

Details the procedure for performing a distress alert test, including necessary precautions and steps.

5.11 Saving and loading of system setting

Explains how to save and load system settings to/from a floppy disk for backup purposes.

Chapter 6. Updating program

6.1 Updating program

Covers updating the TERM CPU and RF CON/CPU programs, including checking program versions and the update procedure.

6.2 Program files

Lists the program files included on the program disk for both TERM CPU and RF-CON CPU.

6.3 Installing Terminal software to PC

Provides instructions for installing the Nera C terminal software onto a PC.

Chapter 7. Messages

7.1 Status display

Explains the status display, detailing the information shown in the bottom left, bottom center, bottom right, and upper parts.

7.2 Messages for Operation

Lists various operational messages encountered in File, Transmit, Data Report, PV test, and Printer menus.

7.3 Cautions and information message

Lists cautions, information messages, and warnings related to system operations, errors, and troubleshooting.

Appendix 1) Inmarsat system

AP1.1 System Overview

Provides an overview of the Inmarsat system, including its configuration, coverage area, and key bodies.

AP1.1.2 Inmarsat C Services

Details the communication services offered by the Inmarsat C system, such as Telex, EGC, Distress alerting, Polling, Data reporting, and E-mail.

AP1.1.3 Destination Type

Explains the different destination types for messages, including TELEX, PSTN, PSDN, X.400, DNID, CSDN, SPEC, and E-mail.

AP1.1.4 Charging

Provides information on charging rates for Inmarsat C services based on destination, communication type, and data volume.

AP1.1.5 Network

Illustrates the Inmarsat C channels and signals, including NCS Common Channel, LES TDM, MES Signaling, and MES Message channels.

AP1.1.6 Frequency assignment

Details the frequency assignments for MES operation, including transmit and receive frequencies and channel numbers.

Appendix 2) Menu Tree

AP2.1 Menu Tree

Presents a comprehensive menu tree for navigating through the system functions and settings.

Appendix 3) Coast station service list

AP3.1 Inmarsat C coast station service list

Lists coast station operators, their countries, and service codes for different ocean regions (AOR-E, AOR-W, IOR, POR).

Appendix 4) E-mail

AP4.1 Features

Outlines the features of Nera C's e-mail functionality, including DHCP, Gateway, Address Mode, SMTP, Attach, and Send Limit Size.

AP4.2 Limitations

Describes the limitations of Nera C's e-mail software compared to PC e-mail clients.

AP4.3 Precautions

Provides precautions for using Nera C's e-mail, including format, character code, message interval, and attachment handling.

AP4.4 Network Setup menu

Explains the Network Setup menu items for configuring IP Address, Subnet Mask, DHCP, Gateway, and Mail Gateway.

AP4.5 Setting LES

Details the procedure for setting up LES (Land Earth Station) for e-mail communication, including adding new LES.

AP4.6 Setting Active Port

Guides on setting the 'Active Port' and 'Message Output Port' in the System Setup menu for message routing.

AP4.7 Message Log

Describes the message logs handled by Nera C, including System, Receiving, Attachment, and Sending logs.

AP4.8 Connection and setting

Explains how to connect Nera C to a single PC, multiple PCs, and multiple networks, including IP address settings.

AP4.9 Function settings

Covers various function settings like DHCP, SMTP Enable IP Address, Mail Gateway, Selective forwarding, Message size, and Attachment conversion.

AP4.10 E-Mail Client Setup (Outlook Express Ver.6)

Provides a step-by-step guide for setting up Outlook Express mail client for use with Nera C.

AP4.11 Windows XP LAN setting

Explains how to configure LAN settings in Windows XP for network connection with Nera C.

AP4.12 Connection check

Details methods for checking network connection, including using the Ping command and SMTP error message list.

Appendix 5) Specifications

1. GENERAL

Lists general specifications for transmitting/receiving frequency, channel interval, G/T, EIRP, modulation, coding, and data interface.

2. ANTENNA UNIT

Specifies details for the Antenna Unit, including antenna type, gain, declination, axial ratio, and VSWR.

3. POWER SOURCE

Details the power source specifications for the Terminal Unit, including voltage and current ratings for transmit and receive.

4. ENVIRONMENTAL CONDITION

Outlines environmental specifications such as ambient temperature, relative humidity, waterproof rating, and vibration resistance.

5. COATING COLOR

Specifies the coating colors for the Antenna Unit and Terminal Unit.