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beyerdynamic GmbH & Co. KG 
Theresienstr. 8 | 74072 Heilbronn – Germany
Tel. +49 (0) 71 31 / 617 - 0 | Fax +49 (0) 71 31 / 617 - 204
[email protected] | www.beyerdynamic.com

For further distributors worldwide, please go to www.beyerdynamic.com
Non-contractual illustrations. Contents subject to change without notice. E1 / Orbis SU 63 (01.15)

Orbis SU 63

Digital System Unit

Order # 725.749

F

EATURES

• Shielded metal housing for remote installation
• Use as chairman or delegate microphone unit possible
• Phoenix

®

connectors for buttons, microphone,

headphone and loudspeaker 

• Two RJ45 sockets to connect the system unit to the control unit

or another microphone unit/system unit

1 of 5

D

ESCRIPTION

The Orbis SU 63 system unit is used for remote “under the table”
installations in conference rooms.
In order to connect external components such as buttons, micro-
phone, headphone or loudspeaker, the system unit provides one 
5-pin and two 7-pin Phoenix

®

connectors. 

By using the RJ45 sockets the system unit is connected to the 
control unit and to the previous system unit or microphone unit. 
The Orbis SU 63 system unit can be used as a chairman unit with 
microphone, clear and function button or as a delegate unit with
one microphone button. 
The microphone button is used to turn the microphone on or off. By
using the function button the chairman can interrupt the discussion
and mute all activated delegate microphones. By using the clear 
button the chairman can turn off all activated delegate microphones.
Depending on the configuration of the Orbis CU control unit one
of the following operating modes is possible: 

Normal:

Each participant can turn on his/her microphone until the

number of open microphones is achieved. 

FiFo:

If the selected number of open microphones (NOM) is 

exceeded, the microphone of the participant who turned on his/her
microphone first is turned off when another participant turns on
his/her microphone.

Voice-controlled Activation:

The microphone is turned on when

the participant speaks into it, until the number of open micropho-
nes is achieved. 
The system units are connected in a daisy chain to the Orbis CU
control unit, i.e. the first system unit is connected to the control
unit, the second system unit is connected to the first, the third 
system unit to the second and so on. For connection standard CAT5
cables are used. Thus, one cable ensures the audio transmission,
power supply and control.  

Connection to a control unit without redundancy

A maximum of 50 system units can be connected to one line of the
Orbis CU control unit, i.e. a total of 100 microphone units can be
operated with one Orbis CU control unit. 

Connection to a control unit with redundancy

A maximum of 50 system units is connected in a ring to the 
Orbis CU control unit, i.e. the last microphone unit is connected to
the previous system unit and the control unit. The redundancy 
provides maximum reliablility. Should a defect in a cable occur at
one side of the system unit, the system unit will not fail to operate,
because it will still be supplied via the cable from the other side.
The cable in question or a defect system unit as well can be replaced
during operation without causing any problems with the other 
system units. 

Supplied without CA OL loudspeaker

Table installation

Installation into armrest

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