Sennheiser CONFERENCE AND INFORMATION SYSTEMS SDC 3000 Specifications download pdf (Page 28)

Possible expansion stages

Example 2:

The 25 conference consoles that can be powered via the central unit are

split up into three different strings:

String I: 10 conference consoles

String II: 7 conference consoles

String III: 8 conference consoles

To power the subsequent conference consoles, you must add an exter-

nal power supply to each string. You can then connect 25 additional

consoles per string.

Expansion stage (4): up to 600 conference consoles

You can connect a maximum of three cable strings with up to 50 consoles

each to one central unit. For larger conference systems with up to 600

conference consoles, a total of four central units is required. The additional

central units are connected as “slaves” to the central unit configured as

“master” (see “Interconnecting up to four central units” on page 44). If

the conference system is to be PC controlled, the PC must be connected to

the “master” central unit.

To set up a conference system with up to four central units, you first have

to interconnect the cable strings of each central unit as described for

conference systems of expansion stage (3) (see “Expansion stage (3): up

to 150 conference consoles” on page 29). The distance between a central

unit and the first conference console or the first power supply of a cable

string must not exceed 80 m. The distance between a central unit and the

last conference console of a cable string must not exceed 230 m.

The maximum length of the system cables used for interconnecting the

central units must not exceed 3 m.

≤ 230 m

3 m

...

3 m

...

3 m

...

10 m

5 m

≤ 80 m

III

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Sennheiser CONFERENCE AND INFORMATION SYSTEMS SDC 3000 Specifications Page 28