Cronograma de implementación

The available antenna voltage shall be configured depending on which antenna that is used together with the transceiver. It Table 33 the configuration based on selected antenna is listed.

Antenna type Antenna type Antenna type

Antenna type Transceiver voltage settingTransceiver voltage settingTransceiver voltage settingTransceiver voltage setting TT-3001B High antenna voltage = 14V DC TT-3005A High or low antenna voltage TT-3005M Low antenna voltage = 9 V DC Table 33 Antenna voltage configuration

When the Transceiver is transmitting there will be +28 V DC on the antenna connector. When the Transceiver is receiving there will be either +9 V DC or +14 V DC on the antenna connector. If a TT-3001B opt.001 Antenna type is used, and it is supplied with +9 V DC, it will not be operational. The antenna will however not be damaged by this.

In general will a low antenna voltage will lead to a lower power consumption of the antenna.

Low antenna voltage is selected by issuing the command: “se —f 0”

in the transceiver terminal mode (described in section 4.1) and high antenna voltage is selected by issuing the command

“se —f 1”

Initialise System Parameters Initialise System Parameters Initialise System Parameters

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25-Jul-00 Page Page Page Page 4-54-54-54-5 If the TT-3005M antenna is used and the antenna voltage is set to high run the transceiver will probably set-up a warning box stat- ing that the antenna is not connected.

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Introduction Introduction Introduction

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5

Commissioning

5.1

Introduction

Before attempting to use the equipment, the commissioning pa- pers should be send to the relevant authority.

It is recommended that a Link Test (or Performance Verification Test in Inmarsat terminology) is run before using the equipment. The Link Test automatically verifies that the TT-3020C Capsat Transceiver is capable of both receiving and transmitting infor- mation according to Inmarsat-C specifications. No other tests are required.

The Inmarsat Mobile Number is needed to run the Link Test. When a new unit is being installed, it is the responsibility of the service technician to verify that the unit is functioning properly, and that the unit is commissioned and logged into the Inmarsat-C System, at the end of installation.

You should only attempt to start one Link Test yourself as you have only three commissioning attempts, and these will be used up if you are not cautious.

5.2

The first Login

Your first Login attempt will be recognised by the Network Co- ordinating Station (NCS) and served normally, (downloading a Land Earth Station (LES) network table into the Transceiver) and inform the Network Database that the new unit is present and being commissioned.

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Page 5-25-25-25-2 25-Jul-0025-Jul-0025-Jul-0025-Jul-00 The TT-3020C Capsat Transceiver is now logged in and ready to work.

5.3

Link Test

The Link Test consist of three parts:

— Message Reception Test

— Message Transmission Test and

— Distress Test.

The TT-3020C will automatically perform a distress test without any user intervention.

In the end of the test the Transceiver will receive the link test re- sults.

5.4

Details of a Link Test

You should try to start one link test yourself to verify the unit After a while you will see a message on your screen and on your printer saying:

---- Link Test started

and when the MAIL indicator on the TT-3020C front panel starts flashing, the receive test has commenced.

A test message is then received from the LES by the Transceiver. After the MAIL indicator has turned OFF, the transmission test be- gins.

Details of a Link Test Details of a Link Test Details of a Link Test

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25-Jul-00 Page Page Page Page 5-35-35-35-3 The SEND indicator starts flashing and after a while it will light continuously (the data is being transmitted) and then starts flash- ing again.

The SEND indicator will turn OFF when the protocol has finished. The Transceiver now automatically sends a Distress Alert test. The printer will give an acknowledgement when the Alert has been sent.

The Transceiver now will wait for the test results to arrive from the LES, and acknowledge the reception of these by a short transmission (burst).

When receiving the results the screen will display:

----

and the results will be printed out.

The results of the test can also be viewed with:

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6

Index

A

Antenna not connected... 4-5 Distress button ... 2-6 Antenna cable ...3-8, 3-13 Antenna safe distance...3-18, 3-21 ArcNet ...2-2, 2-11

B

Baudrate...2-9, 4-3 C

Cable loss ... 3-8, 3-13, 3-17 Compass safe Distance...2-3, 3-3

D

Distress alert ... 3-42 Distress button ... 3-42 Distress button test ... 3-56 Distress indicator ... 2-6 DTE connector... 2-9 DTR and CTS signals... 2-11 F Flow control ... 2-11 Fuse...2-4, 3-2 G Galvanic isolation... 2-9 GMDSS ... 3-6, 3-11, 3-15 GPS ... 2-17 I I/O connector ... 2-11

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Page 6-26-26-26-2 25-Jul-0025-Jul-0025-Jul-0025-Jul-00 L LES ...2-6 Link test ... 5-1, 5-2 Login indicator...2-6 M Mail indicator...2-6 Mobile number ... 4-2, 5-1 N NCS...5-1 NMEA 0183 communication ...2-11 O On/off features ...2-4 Operating temperature ... 2-2, 3-26 P Power connector ...2-7 Power indicator...2-5 Printer port ...2-15 R

Radar or navigator cables ... 3-8, 3-13, 3-17 Remote Alarm/Distress Box...3-42 Remote power control... 2-5, 2-8 RF grounding ...2-17 RS-423 ports ...3-24

S

SafetyNet EGC messages ...3-42 Send indicator...2-6 Serial communication cable length ...2-11 Serial port communication ...2-9 Shipping carton...1-2 Stop button...2-5 Storage temperature ...1-2

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