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Centauri
Audio Gateway
Installation Reference
Manual
Mayah Communications GmbH ©2001 Rev. 2.0.0.0
01. März 2003
Table of Contents
1
Installation .........................................................................................................................4
1.1 Preparatory measures ...................................................................................................4
1.1.1 Mechanical examination.........................................................................................4
1.1.2 Transporting the device..........................................................................................4
1.2 EMV Specifications........................................................................................................4
1.2.1 EN 55022: 1994 .....................................................................................................4
1.2.2 FCC ........................................................................................................................4
1.3 Setting up the device .....................................................................................................4
1.3.1 Before you start... ...................................................................................................4
1.3.2 Transport ................................................................................................................5
1.3.3 Installation ..............................................................................................................5
1.3.4 Ventilation...............................................................................................................5
1.3.4.1 Air exchange .....................................................................................................5
1.3.5 Installation of cable - safety....................................................................................6
1.3.6 Protection against moisture....................................................................................6
1.3.7 Protection against lightning ....................................................................................6
1.4 Power supply and fusing ...............................................................................................7
1.4.1 Alternating voltage connection ...............................................................................7
1.4.2 Voltage connection cable .......................................................................................7
1.4.2.1 Removal of molded plugs..................................................................................7
1.4.2.2 Voltage supply cable .........................................................................................8
1.4.2.3 Protection ..........................................................................................................8
1.4.2.4 Wire colors ........................................................................................................8
1.4.3 Non-fused ground...................................................................................................8
1.4.4 Device fuse.............................................................................................................9
1.4.4.1 Location of the fuse...........................................................................................9
1.4.4.2 Changing the fuse .............................................................................................9
1.4.4.3 Replacing the fuse ..........................................................................................10
1.4.5 Connecting the device to the voltage supply........................................................10
1.5 Signal connections ......................................................................................................10
1.5.1 Connecting the cable............................................................................................10
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.5.2 Centauri rear side.................................................................................................11
1.5.2.1 Reference to the position of the cards ............................................................11
1.5.2.2 Centauri rear side............................................................................................11
1.5.2.3 Options............................................................................................................12
1.5.2.4 Audio ...............................................................................................................14
1.5.2.5 Network ...........................................................................................................14
Table 1: Wire colors............................................................................................................................... 8
Table 2: Device fuse ............................................................................................................................ 10
Figure 1:
Air exchange........................................................................................................................ 6
Figure 2:
Device fuse .......................................................................................................................... 9
Figure 3:
Device types ...................................................................................................................... 11
Figure 4:
ISDN interfaces ................................................................................................................. 12
Figure 5:
ISDN/X.21 interfaces ......................................................................................................... 12
Figure 6:
LAN interface ............................................................................................................... 1.5-13
Figure 7:
E1 module.................................................................................................................... 1.5-13
Figure 8:
ISDN/X.21 interfaces ................................................................................................... 1.5-13
Figure 9:
Audio.................................................................................................................................. 14
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1 Installation
1.1
Preparatory measures
1.1.1
Mechanical examination
Check the delivery on receipt. If in doubt, consult our support service.
WARNING...
ANY REMOVAL OF THE LID RESULTS IN A LOSS OF
GUARANTEE, CREATES A SECURITY RISK AND AFFECTS
THE EMV SPECIFICATIONS.
1.1.2
Transporting the device
Never place this product on an unstable vehicle, stand, carrier or table. The device could fall
and this could lead to injury and serious damage.
Never move or carry the device while it is connected to the voltage supply or other cables or
it is on.
The device should be connected as described by the manufacturer.
Do not use this device as a base for other devices.
1.2
EMV Specifications
1.2.1
EN 55022: 1994
1.2.2
FCC
1.3
1.3.1
Setting up the device
Before you start...
The Centauri should be handled carefully to avoid damage and injury. Should the device be
a replacement for an older system, make sure that the personnel who will be operating the
device possess the necessary knowledge and skill to do so. If in doubt, contact our support
service.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.3.2
Transport
The Centauri is easy to move. Transport it in suitable containers.
Always use the original packaging for shipping.
1.3.3
Installation
The device is designed for use at a fixed location. Make sure that it is standing stable and
safely, and that reasonable air circulation is possible.
CAUTION...
If you use the Centauri in a rack it is necessary to use a
fixed base as well as the front screw fixture. (angle strip
or positioning plate)
1.3.4
Ventilation
1.3.4.1
Air exchange
CAUTION...
The ventilators in this device are not fitted with any air filters.
Take this into consideration when choosing the place of
installation.
Do not position the device such that the air inlet of the device is
in the proximity of the air outlet of another device.
The openings in the device are designed for the air circulation needed to ensure reliable
functioning of the device and to protect it against overheating.
The openings must not be blocked or covered.
The device must never be used in the vicinity of a radiator or any other source of heat.
If the device is used in a rack or something similar you must ensure that there is sufficient
ventilation. Follow the installation instructions.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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Air inlet
Air inlet
Air outlet
Figure 1:
Air exchange
Ensure that there is at least 50 mm free air space on the sides of the device in order to
guarantee suitable ventilation.
Devices in racks can be stacked directly above one another without any air inserts between
them. Racks in which devices are stacked in this manner must be fitted with a cooling system
to lower the air in the rack to the temperature of the surroundings.
Temperature monitoring
The device is fitted with an alarm display on the front plate that lights up on overheating
(inside temperature of the casing >55°, CPU temperature >70°). The actual housing
temperature can be displayed via the LCD display (Centauri 2001/3001). All temperature
data can be called up via the various remote control interfaces.
1.3.5
Installation of cable - safety
Make sure that the individual cable types [low voltage, extra-low voltage (ELV) and safety
extra-low voltage (SELV)] are kept separate when laying them. Never lay alternating voltage
cables (AC-Power) in the same conduit as SELV cable.
1.3.6
Protection against moisture
Never place or use the device in rooms with high humidity.
1.3.7
Protection against lightning
WARNING...
SHOULD THE DEVICE BE PUT OUT OF ACTION DUE TO BEING
STRUCK BY LIGHTNING OR EXCESS VOLTAGE, DISCONNECT IT
FROM THE POWER SUPPLY WITHOUT DELAY. DO NOT RECONNECT
UNTIL THE DEVICE HAS BEEN CHECKED. IF IN DOUBT CONTACT
THE TECHNICAL SUPPORT SERVICE.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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If at all possible, make sure there is suitable lightning protection to protect the device.
Alternatively you should disconnect the leads from the device during a storm or when the
device is going to be unsupervised or not used for a longer period of time.
These measures will protect against damage by lightning or excess voltage
1.4
Power supply and fusing
1.4.1
Alternating voltage connection
CAUTION...
This device may only be powered by a voltage source whose
values are given on the rear side of the device. Should you
have no information about the type of power source, please
contact the responsible engineer or the electricity company.
This device works in a range of 90-260 Vac 47-63 Hz.
It is not foreseen that the device is supplied by another power source. It should only be
connected to and operated with the source of power stated on the device.
Should the type of power at the operation location not be known, please contact your dealer
or electricity company.
Do not overload the voltage sockets or cables, because this could lead to shocks or fire.
1.4.2
Voltage connection cable
1.4.2.1
Removal of molded plugs
WARNING...
IF THE PLUG ON THE CABLE SUPPLIED IS NOT THE
EXPECTED ONE, CUT IT OFF AND DISPOSE OF IT.
OMMISSIONS OF THIS TYPE ENDANGER YOUR LIFE OR END
IT IF YOU ATTEMPT TO CONNECT THE OPEN END WITH THE
POWER SUPPLY.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.4.2.2
Voltage supply cable
A power supply cable of approx. 2 m length is supplied with the device. The type of plug for
the power supply depends on the country in which it is delivered.
1.4.2.3
Protection
Supply cables should be laid in such a manner that one does not step or walk on them. They
should not be squashed by any objects.
Pay special attention to cables, plugs, the appropriate mating pieces and the device’s in and
outputs.
1.4.2.4
Wire colors
The colors of the wires in the power cables correspond to the colors in the list below.
England
Europe
USA
(BS 1363)
(CEE 7/7)
(NEMA 5-15P)
Ground (G)
green-yellow
green-yellow
green
Neutral
(N)
blue
blue
white
Live
(L)
brown
brown
black
Table 1:
Wire colors
1.4.3
Non-fused ground
WARNING...
ON THE INSIDE OF THE DEVICE THE NON-FUSED GROUND
IS CONNECTED TO THE FUNCTION GROUND THAT IS
LOCATED ON THE BACK OF THE DEVICE.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.4.4
Device fuse
1.4.4.1
Location of the fuse
In addition to the fuse in the plug of the power cable (if foreseen in plug) there is a mains
fuse on the back of the device.
Mains switch
Mains
connection
Fuse socket
Figure 2:
Device fuse
NOTE...
The built in power unit also has a mains fuse. Seek advice
from the support service or from qualified technical personnel
if you suspect that the fuse has gone.
1.4.4.2
Changing the fuse
WARNING...
IF YOU WANT TO CHANGE THE INUT FUSE, MAKE SURE
THAT YOU HAVE THE RIGHT TYPE OF FUSE FOR THE
VOLTAGE TO BE PROTECTED. AN ERROR MADE HERE WILL
RESULT IN INSUFFICIENT PROTECTION.
The device fuse is integrated in a fuse socket. It is located on the back of the device on the
Centauri’s voltage connection.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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Table 2:
1.4.4.3
1.4.5
Article
Description
Fuse
Set in fuse socket in power connection on
back of device
Fuse type
5 x 20 mm glass tube
Ampere
2A
Voltage
90 V - 260 V
Main voltage fuse
10 A
Device fuse
Replacing the fuse
1.
Make sure that the power is switched off and the power cable is
disconnected from the device.
2.
Undo the fuse socket with a small screwdriver or fingernail but without using
any force.
3.
Make sure the fuse is correct and put it in.
4.
Push the fuse socket back into the original position.
Connecting the device to the voltage supply
Connect the Centauri’s power connection with the voltage supply as described:
Make sure the device is switched off.
Connect the supplied power cable to the Centauri and then to the voltage supply.
1.5
Signal connections
1.5.1
Connecting the cable
To ensure that the device functions properly it is important that the right cables are used for
connection with other devices.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.5.2
Centauri rear side
1.5.2.1
Reference to the position of the cards
The Centauri has various horizontally and vertically arranged cards.
Many of these cards have one or more connections on the rear side that extend out of the
openings.
All signal connections are made on the back of the device.
1.5.2.2
Centauri rear side
We refer to Chapter Figure 3: of the handbook in which the detailed options of the individual
devices are described. Because of the different specifications, not all devices possess the
connections described.
Device types
There are four types of Centauris with several options. Each has a characteristic front and
rear view. These are illustrated below.
2000
2001
3000
3001
Figure 3: Device types
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.5.2.3
Options
CIM 10, CIM 20
Figure 4:
ISDN interfaces
CIM 02, CIM 12
Figure 5:
ISDN/X.21 interfaces
CIM 10
CIM 02
1 ISDN interface
ISDN 1
2 X.21 interfaces
CIM 20
CIM 12
2 ISDN interfaces
ISDN 1 and ISDN 2
1 ISDN interface ISDN 1
and 2 X.21 interfaces
For connection to the X.21 interface an optional 1
X.21 cable can be ordered if required.
One ISDN cable is
supplied for each
ISDN connection.
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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CIM ETH
Figure 6:
LAN interface
CIM 40, CIM 42
Figure 8:
ISDN/X.21 interfaces
CIM ETH
CIM 40
1 opt LAN interface
4 ISDN interfaces ISDN 1 - ISDN 2
CIM 42
4 ISDN interfaces ISDN 1 - ISDN 2
and 2 X.21 Interfaces
One ISDN cable is supplied for each ISDN
connection.
For connection to the X.21 interface an optional 1
X.21 cable can be ordered if required.
Figure7:
E1module
CIM35E1
E1 module, drop/insert, monitor,
clock, 2x X.21/V.35 interface,
requires 2 slots
Rev.:
2.0.0.0
01. März 2003
Installation Manual
Mayah Communications GmbH
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1.5.2.4
Audio
Figure 9:
Audio
The symmetrical XLR in/outputs and the AES IN/OUT interface with optional in/output below
it are located in the audio area.
An adapter to XLR can be obtained for the 9-pole AES IN/OUT as an extra.
For the remote connection, a 9 pole zero modem cable is supplied for connecting the device
to a COM interface of your computer.
1.5.2.5
Network
The network connection is made with an RJ45 cable between Centauri and the local
network. The recognition of the network transmission speed (10/100 MBit/sec) and the
transmission mode (half / full duplex) is automatic.
A cable can be bought in a trade outlet or ordered as an extra.
Rev.:
1.0.0
10. September 2001
Installation Manual
Mayah Communications GmbH
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