Sailor 150 FleetBroadband Installation Manual
INSTALLATION MANUAL
SAILOR 150 FleetBroadband
TT-98-129218-A ii
SAILOR®150 FleetBroadband
Document number: TT-98-129218-A
Release date: June 9, 2009
Disclaimer
Any responsibility or liability for loss or damage in connection with the use of this product and the
accompanying documentation is disclaimed by Thrane & Thrane. The information in this manual is provided
for information purposes only, is subject to change without notice and may contain errors or inaccuracies.
Manuals issued by Thrane & Thrane are periodically revised and updated. Anyone relying on this information
should acquire the most current version e.g. from the Thrane & Thrane Extranet at:
http://extranet.thrane.com. Thrane & Thrane is not responsible for the content or accuracy of any translations
or reproductions, in whole or in part, of this manual from any other source.
Trademark acknowledgements
• Thrane & Thrane is a registered trademark of Thrane & Thrane A/S in the European Union and the United
States.
• SAILOR is a registered trademark of Thrane & Thrane A/S in the European Union, the United States and
other countries.
• Windows and Outlook are registered trademarks of Microsoft Corporation in the United States and other
countries.
• Inmarsat is a registered trademark of International Maritime Satellite Organisation (IMSO) and is licensed
by IMSO to Inmarsat Limited and Inmarsat Ventures plc.
• Inmarsat’s product names are trademarks or registered trademarks of Inmarsat.
Company web site
www.thrane.com
TT-98-129218-A iii
Safety summary 1
The following general safety precautions must be observed during all phases of operation, service and
repair of this equipment. Failure to comply with these precautions or with specific warnings elsewhere
in this manual violates safety standards of design, manufacture and intended use of the equipment.
Thrane & Thrane A/S assumes no liability for the customer's failure to comply with these requirements.
Observe marked areas
Under extreme heat conditions do not touch areas of the terminal or antenna
that are marked with this symbol, as it may result in injury.
Microwave radiation hazards
During transmission the antenna in this system radiates microwave power.
This radiation may be hazardous to humans close to the antenna. During transmission, make sure that
nobody gets closer than the recommended minimum safety distance.
On the SAILOR 150 FleetBroadband, the minimum safety distance on the
focal line to the antenna panel is 0.6 m, based on a radiation level of
10 W/m
2
. The radiation level is 100 W/m2 at a distance of 0.2 m from the
antenna panel. Refer to the drawing below.
Distance to other equipment
Do not move the antenna closer to radars than the minimum safe distance specified in Radar distance
on page 7 - it may cause damage to the antenna. The equipment must be installed with the following
minimum safe distances to magnetic steering compass:
SAILOR 150 FleetBroadband terminal: min. 0.3 m.
SAILOR 150 FleetBroadband antenna: min. 1.1 m
Service
User access to the interior of the system units is prohibited. Only a technician authorized by Thrane &
Thrane A/S may perform service - failure to comply with this rule will void the warranty.
MICROWAVE RADIATION
No personnel within safety distance
60
Safety distance:
(0.2 m, 100 W/m
2
)
0.6 m, 10 W/m
2
TT-98-129218-A iv
Do not service or adjust alone
Do not attempt internal service or adjustments unless another person, capable of rendering first aid
resuscitation, is present.
Grounding, cables and connections
To minimize shock hazard, the equipment chassis and cabinet must be connected to an electrical
ground. The terminal must be grounded to the ship. For further grounding information refer to
Grounding and RF protection on page 55.
Do not extend the cables beyond the lengths specified for the equipment. The cable between the
terminal and antenna can be extended if it complies with the specified data concerning cable losses
etc.
All cables for your SAILOR FleetBroadband system are shielded and should not be affected by
magnetic fields. However, try to avoid running cables parallel to AC wiring as it might cause
malfunction of the equipment.
Power supply
The voltage range is 10.5 - 32 V DC; 14 A - 5.5 A. It is recommended that the voltage is provided by the
24 V DC power bus on the ship. Be aware of high start-up peak current: 20 A at 24 V, 5 ms.
If a 24 V DC power bus is not available, an external 115/230 VAC to 24 V DC power supply can be used.
Do not operate in an explosive atmosphere
Do not operate the equipment in the presence of flammable gases or fumes. Operation of any
electrical equipment in such an environment constitutes a definite safety hazard.
Keep away from live circuits
Operating personnel must not remove equipment covers. Component replacement and internal
adjustment must be made by qualified maintenance personnel. Do not replace components with the
power cable connected. Under certain conditions, dangerous voltages may exist even with the power
cable removed. To avoid injuries, always disconnect power and discharge circuits before touching
them.
Failure to comply with the rules above will void the warranty!
TT-98-129218-A v
About the manual 2
Intended readers
This is an installation manual for the SAILOR 150 FleetBroadband system. The readers of
the manual include installers of the system and service personnel. Personnel installing or
servicing the system must be properly trained and authorized by Thrane & Thrane. It is
important that you observe all safety requirements listed in the beginning of this manual,
and install the system according to the guidelines in this manual.
Manual overview
Note that this manual does not cover general use of the system nor does it cover how to use
the IP handset that comes with the system. For this information, refer to the user manual
for this system and the user manual for the IP handset, both listed in the next section.
This manual has the following chapters:
• System units contains a short description of each main unit in the system.
• Installing the system describes where to place the system units, how to mount them,
distance to other equipment etc.
• Connecting power explains how to connect the terminal to power and gives
recommendations for cables.
• Hardware interfaces describes each interface on the terminal and shows pin-out for the
connectors.
• Starting up the system explains how to insert the SIM card, power up the system and
enter the PIN. It also gives a short overview of how to use the system.
• Troublesh ooti ng describes the function of the Reset button and the light indicators on
the terminal. It also describes event messages that may appear in the web interface.
TT-98-129218-A vi
Related documents
The below list shows the documents related to this manual and to the system.
Typ og ra ph y
In this manual, typography is used as indicated below:
Bold is used for the following purposes:
• To emphasize words.
Example: “Do not touch the antenna”.
• To indicate what the user should select in the user interface.
Example: “Select Settings > LAN”.
Italic is used to emphasize the paragraph title in cross-references.
Example: “For further information, see Connecting Cables on page...”.
Title and description
Document
number
SAILOR 150 FleetBroadband
User Manual
Explains how to set up and use the
SAILOR 150 FleetBroadband system.
TT98-129217
SAILOR 150 FleetBroadband Quick Guide
A short guide to the most important
functions of the
SAILOR 150 FleetBroadband system.
TT98-129219
Thrane IP Handset, User Manual
Explains the features and functions of the
Thrane IP Handset. The IP handset works
as a standard IP handset, but also serves
as a user interface for the
SAILOR 150 FleetBroadband system.
TT98-126059
TT-98-129218-A vii
Table of contents
Chapter 1 System units
Introduction ..........................................................................................................1
SAILOR®150 FleetBroadband terminal ................................................................1
SAILOR®150 FleetBroadband antenna ...............................................................2
Thrane IP Handset & Cradle ............................................................................... 3
Chapter 2 Installing the system
Unpacking ............................................................................................................ 4
Placing the antenna ............................................................................................5
Installing the antenna .......................................................................................12
Placing the terminal ...........................................................................................15
Installing the terminal .......................................................................................16
Chapter 3 Connecting power
Power source ......................................................................................................19
Power cable selection ........................................................................................19
Connecting power ............................................................................................. 22
Chapter 4 Hardware interfaces
The connector panel ......................................................................................... 24
Antenna interface on terminal ......................................................................... 25
DC power input .................................................................................................. 26
Ground stud ....................................................................................................... 27
Analog Phone interface .................................................................................... 28
LAN interface ..................................................................................................... 29
Discrete I/O interface .........................................................................................31
Chapter 5 Starting up the system
Using the SIM card ............................................................................................ 33
Powering the system ......................................................................................... 35
Entering the SIM PIN for the terminal ............................................................. 37
Table of contents
TT-98-129218-A viii
Operating the system ........................................................................................ 39
Chapter 6 Troubleshooting
Reset button ...................................................................................................... 40
Status signaling ................................................................................................. 42
Logging of events .............................................................................................. 43
Appendix A Part numbers
System units ...................................................................................................... 44
Spare parts ........................................................................................................ 44
Appendix B Technical specifications
Overview ............................................................................................................ 45
SAILOR®150 FleetBroadband antenna ............................................................. 45
Minimum distance to transmitters. .................................................................. 49
SAILOR®150 FleetBroadband terminal .............................................................50
Measuring the ship source impedance ........................................................... 54
Appendix C Grounding and RF protection
Why is grounding required? ............................................................................. 55
About marine DC systems ................................................................................. 56
About marine grounding ..................................................................................58
Grounding Recommendations ..........................................................................59
Alternative grounding for steel hulls ...............................................................60
Alternative grounding for aluminum hulls ...................................................... 62
Alternative grounding for fiberglass hulls ...................................................... 63
Alternative grounding for timber hulls ............................................................ 64
Separate ground cable ..................................................................................... 65
RF interference .................................................................................................. 68
Electrostatic Discharge .....................................................................................68
Glossary ............................................................................................................................. 69
Index ............................................................................................................................. 72
TT-98-129218-A Introduction 1
Chapter 1
System units 1
Introduction
The basic system consists of three units: The terminal, the antenna and the IP handset with cradle.
SAILOR®150 FleetBroadband terminal
The terminal is the central unit in the system. It contains all user interfaces and handles all
communication between the BGAN antenna and the local communication units (phones,
computers etc.).
The terminal supplies 18-29 V DC to the antenna through a single coaxial cable.
The DC input for the terminal is designed for both 24 V DC and 12 V DC power supply.
Note
The SAILOR 150 FleetBroadband terminal only works with a SAILOR 150 FleetBroadband
antenna.
Chapter 1: System units
TT-98-129218-A SAILOR®150 FleetBroadband antenna 2
SAILOR®150 FleetBroadband antenna
The SAILOR 150 FleetBroadband antenna is a BGAN mechanical tracking antenna. All
communication between the antenna and terminal passes through a single coaxial cable. The
antenna unit is protected by a thermo-plastic radome.
Chapter 1: System units
TT-98-129218-A Thrane IP Handset & Cradle 3
Thrane IP Handset & Cradle
Thrane IP Handset
Besides the normal functions of an IP handset, the Thrane IP handset also provides a user
interface for the SAILOR FleetBroadband system. The IP handset connects to the LAN interface of
the terminal, and is power supplied with Power over Ethernet (PoE) through the LAN interface.
For further information on the IP handset, refer to the user manual for the Thrane IP Handset.
Thrane IP Cradle
The IP cradle serves as a holder for the IP handset. It is power supplied from the terminal using
Power over Ethernet (PoE). The cradle connects to the handset with a coil cord and to the terminal
with a standard LAN cable.
TT-98-129218-A Unpacking 4
Chapter 2
Installing the system 2
Unpacking
Unpack your SAILOR FleetBroadband system and check that the following items are present:
• TT-3739A SAILOR 150 FleetBroadband terminal
• TT-3050C SAILOR 150 FleetBroadband antenna
• TT-3670A Thrane IP Handset & Cradle, wired
•Power cable
•Antenna cable
•LAN cable
• Getting Started kit including:
•Quick Guide
•SAILOR150FleetBroadband CD
including electronic versions of User manual, Installation manual and Quick Guide.
Inspect all units and parts for possible transport damage.
Note
For information on how to install the IP handset and cradle, refer to the user manual for
the handset.
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 5
Placing the antenna
Obstructions
The antenna rotates 360° and down to -60° in pitch and roll, to allow for continuous pointing even
in heavy sea conditions. Any obstructions within this volume can cause signal degradation.
The amount of degradation depends on the size of the obstruction and the distance from the
antenna. As a rule of thumb any obstruction that subtends an angle of less than 3° at the antenna
has limited effect. The table below gives a guideline for obstruction sizes that will cause limited
degradation.
Radiation hazard
The SAILOR 150 FleetBroadband antenna radiates 16.1 dBW EIRP. This translates to a minimum
safety distance of 0.6 m from the antenna while it is transmitting, based on a radiation level of
10 mW/cm
2
.
Distance of Obstruction
Size of
Obstruction
3m 16cm
5m 26 cm
10 m 52 cm
20 m 104 cm
MICROWAVE RADIATION
No personnel within safety distance
60
Safety distance:
(0.2 m, 100 W/m
2
)
0.6 m, 10 W/m
2
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 6
Interference
Overview
The antenna must be mounted as far away as possible from the ship’s radar and high power radio
transmitters (including other Inmarsat based systems), because they may compromise the
antenna performance. RF emission from radars might actually damage the antenna.
The SAILOR FleetBroadband antenna itself may also interfere with other radio systems. Especially
other Inmarsat systems and GPS receivers with poor frequency discrimination are vulnerable to
the radiation generated by the SAILOR FleetBroadband antennas.
Radar
It is difficult to give exact guidelines for the minimum distance between a radar and the antenna
because radar power, radiation pattern, frequency and pulse length/shape vary from radar to
radar. Further, the antenna is typically placed in the near field of the radar antenna and
reflections from masts, decks and other items in the vicinity of the radar are different from ship to
ship.
However, it is possible to give a few guidelines:
Since a radar radiates a fan beam with a horizontal beam width of a few degrees and a vertical
beam width of up to +/- 15°, the worst interference can be avoided by mounting the antenna at a
different level – meaning that the antenna is installed minimum 15° above or below the radar
antenna. Due to near field effects the benefit of this vertical separation could be reduced at short
distances (below approximately 10 m) between radar antenna and the SAILOR FleetBroadband
antenna. Therefore it is recommended to ensure as much vertical separation as possible when the
SAILOR FleetBroadband antenna has to be placed close to a radar antenna.
Min. 15
Min. 15
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 7
Radar distance
The minimum acceptable separation (d min.) between a radar and the antenna is determined by
the radar wavelength/frequency and the power emitted by the radar. The tables below show some
“rule of thumb” minimum separation distances as a function of radar power at X and S band. If
the d min. separation listed below is applied, antenna damage is normally avoided.
“d min.” is defined as the shortest distance between the radar antenna (in any position) and the
surface of the SAILOR FleetBroadband antenna.
The separation distance for C-band (4-8 GHz) radars should generally be the same as for X-band
radars.
Interference
Even at distances greater than “d min.” in the previous section the radar might still be able to
degrade the performance of the SAILOR FleetBroadband system.
The presence of one or more X-band radars within a radius up to 100 m could cause a minor
degradation of the signal-to-noise ratio during high speed and data calls. The degradation will be
most significant at high radar pulse repetition rates.
As long as receiving conditions are favorable, this limited degradation is without importance.
However, if receiving conditions are poor – e.g. due to objects blocking the signal path, heavy
rainfall or icing, low satellite elevation and violent ship movements – the small extra degradation
due to the radar(s) could cause poor call quality. A voice call might become noisy and perhaps fail
while a data connection might decrease in speed and performance.
X-band (~ 3 cm / 10 GHz) damage distance
Radar power
d min. at 15°
vertical separation
d min. at 60°
vertical separation
0 – 10 kW 0.8 m 0.4 m
30 kW 2.4 m 1.2 m
50 kW 4.0 m 2.0 m
S-band (~ 10 cm / 3 GHz) damage distance
Radar power
d min. at 30°
vertical separation
d min. at 75°
vertical separation
0 – 10 kW 0.4 m 0.2 m
30 kW 1.0 m 0.5 m
50 kW 2.0 m 1.0 m
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 8
The presences of S-band radar(s) are unlikely to cause any performance degradation – as long as
the minimum distances (d min.) listed in the previous section are applied.
It is strongly recommended that interference free operation is verified experimentally before the
installation is finalized.
Other Inmarsat systems
Recommended minimum safe distance to other Inmarsat antennas is 10 m.
GPS receivers
Good quality GPS receivers will work properly very close to the antenna - typically down to one
meter outside the main beam, and down to a few meters inside the main beam. However, simple
GPS receivers with poor frequency discrimination could be affected at longer range (typically
10 m). It is always recommended to test the GPS performance before the installation is finalized.
Other transmitters
See Minimum distance to transmitters. on page 49 in Appendix B for minimum recommended
distance to transmitters in the frequency range below 1000 MHz.
Other precautions
Do not place the antenna close to a funnel, as smoke deposits are corrosive. Furthermore,
deposits on the radome can degrade performance.
CAUTION! The antenna must never be installed closer to a radar than “d min.” even if experiments show that interference free operation can be obtained at shorter
distances than “d min.” in the previous section.
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 9
Antenna mast design
Overview
The antenna mast must be designed to carry the weight of the antenna unit, which is
approximately 3.9 kg (+ 1.1 kg for the mast mount kit)
The mast must also be able to withstand onboard vibrations and wind forces up to 108 knots on
the radome, even in icing conditions.
Antenna mast mounting
Mast mount kit:
The top of the SAILOR 150 FleetBroadband antenna mast should be fitted with the dedicated
mounting kit available from Thrane & Thrane.
Assemble the mast mount kit according to the assembly instruction included with the kit.
The mast mount kit interfaces to a 1½” pipe (OD 48.3 mm). If the supplied plastic sleeve is omitted,
a maximum diameter OD of 52 mm can be used.
Custom mast mounting:
For a custom mast mounting, use 4 M6 bolts (A4) in the threaded bushes on the 175.4 mm
diameter circle in the bottom of the antenna. The length of the bolts must be such that they
engage into the bushes of the radome with min. 6 mm and max. 12 mm. No drainage hole is
necessary. Drill a hole for the cable or use an angled connector.
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 10
Mast length and diameter
The placement of the antenna must ensure a rigid structural connection to the hull or structure of
the ship. Parts of the ship with heavy resonant vibrations are not suitable places for the antenna.
A small platform or short mast shall provide rigid support for the antenna fastening bolts and a
rigid interface to the ship.
If it is necessary to use a tall mast, use the table on page 11 to obtain the maximum free length of
the mast. Note that these values depend on rigid antenna-ship interfaces. The cross-sectional
properties and the corresponding maximum free length give a natural frequency above 30 Hz.
It is recommended to shorten the mast length as much as possible to obtain higher frequencies.
Alternatively, mount stays or wires to stabilize the mast further.
High masts or installations on ships with high vibration levels should be further stabilized by stays
or wires from the mast flange. Also mount vibration isolators between the flange and the radome.
For SAILOR 150 FleetBroadband, the vibration isolators are included in the Mast mount kit.
Note
The tables list the values for steel masts.
For aluminium masts, the free mast length is reduced to 75% of the values for steel.
Note
Stays and rigid masts can still not prevent vertical vibration if the mast is attached to a
deck plate that is not rigid. Make every effort to mount the mast on a surface that is well
supported by ribs. If this is not possible, provide extra deck plate propping.
Free mast length (m)
OD (mm)
Chapter 2: Installing the system
TT-98-129218-A Placing the antenna 11
Antenna mast length
The below table shows the values for a SAILOR 150 FleetBroadband antenna mast without stays or
wires. Note that these values are only guidelines - always consider the environment and
characteristics of the ship before deciding on the mast dimensions.
The mast mount kit interfaces to a 1½” tube (OD 48.3 mm - absolute maximum OD 52 mm). Masts
with larger diameters must be tapered and the upper part of the tube (approximately 50 mm) must
have a diameter of 1½”.
OD
(mm)
Wall
Thicknes
s (mm)
Weigh
t
(kg/m)
Inertia
(X10
6
mm
4
)
Max. free mast length
(steel), m
48.3 3.25 3.61 0.117 < 0.6
48.3 4.05 4.43 0.139
50 3.00 3.48 0.123
60.3 3.65 5.10 0.262 <0.8
60.3 4.50 6.17 0.309
76.1 3.65 6.80 0.547 < 1.0
76.1 4.50 7.90 0.651
88.9 4.05 8.47 0.974 < 1.1
88.9 4.85 10.10 1.140
Chapter 2: Installing the system
TT-98-129218-A Installing the antenna 12
Installing the antenna
Antenna grounding
You may ground the antenna using the mounting bolts.
If the antenna cannot or should not be electrically connected directly to the mounting surface, you
can use a separate grounding cable to make the connection between the antenna and the
common ground to which the terminal is also connected. For example, you can connect a separate
grounding cable when vibration isolators are used at the mounting bolts.
To obtain a good ground connection, the metal underneath the head of at least one bolt must be
clean of insulating protective coating and a serrated washer should be used. After tightening the
bolts we recommend that you seal the area suitably in order to avoid corrosion of the grounding
point.
Use stainless steel bolts and washers.
Antenna cables
Guidelines
A coaxial cable for connection between the antenna and terminal is delivered with the system. If
you need a different cable, make sure that the cable meets the requirements. Preferably choose
one of the cable types in Recommended antenna cables on page 12.
Select a suitable area for installation of the terminal, antenna and cradle. Where the cables are
exposed to mechanical wear - on deck, through bulkheads, etc. - protect the cables with steel
pipes. Otherwise, follow standard procedures for cabling in ship installations.
The maximum allowed RF-loss in the antenna cable is 20 dB at 1660 MHz. This is to ensure the
performance of the system.
Recommended antenna cables
The table below shows recommended cable types and maximum cable lengths for
SAILOR 150 FleetBroadband.
Check in the data sheet from the cable supplier that both the RF- attenuation and the DCresistance are kept within the maximum specified values:
• Antenna cable RF-attenuation at 1660 MHz: max. 20 dB incl. connector.
Cable Type Absolute maximum length
G02232-D 6 m
RG223-D 25 m
RG214/U 50 m
S 07272B-05 95 m
Chapter 2: Installing the system
TT-98-129218-A Installing the antenna 13
• Antenna cable modem-attenuation at 54 MHz: max. 4 dB.
Antenna cable modem-attenuation at 36 MHz: max. 3 dB.
• Antenna cable loop DC-resistance max: 1 .
Also ensure that the specified minimum bending radius is respected. If this is not the case, the loss
in the cable will increase. Check the instruction from the cable supplier.
Important mounting notes
Line of sight
Place the antenna with free line of sight in all directions to ensure proper reception of the satellite
signal. Do not place the antenna close to large objects that may block the signal.
Water intrusion
After having connected the antenna cable to the antenna - ensure that the connector assembly is
properly protected against seawater and corrosion. As a minimum, use self-amalgamating rubber.
If possible, install the radome such that direct spray of sea water is avoided.
It is recommended not to use pneumatic tools for cleaning the radome, specially at a short
distance and directly at the split between top and bottom.
Chapter 2: Installing the system
TT-98-129218-A Installing the antenna 14
Mounting the antenna
Overview
The radome can now be installed on the ship with 4 stainless steel bolts fastened to the hull or to
a mast.
For information on mast mounting, see Antenna mast design on page 9.
Mounting the antenna on the hull
Make sure the antenna has line of sight to the satellites. When the antenna is mounted directly on
the hull, it may be difficult to obtain line of sight, especially down to -60°, which is the maximum
rotation angle (pitch and roll) for the SAILOR 150 FleetBroadband antenna.
Use M6 bolts for mounting the antenna.
The bolt thread must not penetrate more than 12 mm (or 8 turns of the bolt) - and not less than 6
mm (or 4 turns of the bolt)- into the threaded part of the bushes in the radome. Fasten the bolts
with 7-8 Nm torque.
The only electrical connector is a single TNC-connector in the bottom of the radome.
Chapter 2: Installing the system
TT-98-129218-A Placing the terminal 15
Placing the terminal
Where to place the terminal
Temperature conditions
The terminal must be placed in a ventilated area with free space around all sides of the unit,
except the bottom side.
Ambient temperature range is –25°C to +55°C.
If the terminal is installed in a location where the ambient temperature may exceed 50°C, we
recommend placing the terminal where unintentional contact is avoided. If the maximum ambient
temperature does not exceed 50°C, the terminal can be placed in a public area.
Grounding access
The terminal is designed with a cabinet for bulkhead or desktop installation.
The cabinet is equipped with mounting brackets, making it possible to secure the unit on a
bulkhead.
Important
The terminal must be placed in an area where access to the hull or equivalent
grounding can be reached within 0.5 m.
Chapter 2: Installing the system
TT-98-129218-A Installing the terminal 16
Installing the terminal
Grounding the terminal
Antenna cable
The antenna is connected to the terminal by means of a coax cable with a TNC connector at both
ends.
For information on antenna grounding, see Antenna grounding on page 12.
Ground stud
To ensure that the terminal is grounded – also if the cable is disconnected from the terminal,
connect an extra ground wire to the ground stud on the terminal. This ground wire must be a
heavy wire or braid cable with a larger diameter than the coax cable. The ground stud is located
next to the power switch.
Ground stud
Chapter 2: Installing the system
TT-98-129218-A Installing the terminal 17
Mounting the Basic cable support
The Basic cable support is available from Thrane & Thrane.
When mounted on the terminal the Basic cable support offers a number of holders to which you
can secure the cables from the terminal, using cable strips.
To mount the Basic cable support, do as follows:
1. Remove the two rubber washers from the bottom of the terminal at the connector panel end.
The threaded bushes underneath the rubber washers are used for mounting the cable
support.
2. Fasten the Basic cable support to the terminal using two M4 x 6 mm countersunk screws.
3. Install the terminal as described in Installing the terminal on a bulkhead on page 18 or
Installing the terminal on a desktop on page 18.
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