Installations With More Than 199 Apartments - Fermax 2578 Manual De Instrucciones

Diagram on previous page shows how to do an installation up to 199 apartments (2 additional Main
Boards required)

Installations with more than 199 apartments

If the building (or complex) has more than 199 apartemts it will be necessary combine the MDS and
ADS systems. The MDS (Multiplexed Digital System) designed by FERMAX allow us increase the
number of apartments (see MDS-ADS technical book for details). We find 2 kind of installations:
- Installations with only one entrance: we will use an MDS outdoor pannel, and the rest of the
installation as later detailled.
USE PRG PWR CFG NC C NO NC C NO
230 V 35 V
UNIDAD CENTRAL
ALIMENTADOR
SISTEMA TELEFONICO
MADE IN SPAIN SISTEMA TELEFONICO MADE IN SPAIN
CIR. 2 CIR. 1
TELEPHONE SYSTEM TELEPHONE SYSTEM
REF. 2582 REF. 2578 CENTRAL UNIT
POWER SUPPLY
INPUT
230 V
25 mA
50-60 Hz
OUTPUT SWITCHES BOXES
35 V; 175 mA
PANEL 12 V DATA 35 V PTT
+ L - + - Dt Ck E G V1 V2 C1 C2
USE PRG PWR CFG NC C NO NC C NO
230 V 35 V
UNIDAD CENTRAL
ALIMENTADOR
SISTEMA TELEFONICO SISTEMA TELEFONICO
MADE IN SPAIN MADE IN SPAIN
TELEPHONE SYSTEM CIR. 2 CIR. 1
TELEPHONE SYSTEM REF. 2578
REF. 2582 CENTRAL UNIT
POWER SUPPLY
INPUT
230 V
25 mA
50-60 Hz
OUTPUT SWITCHES BOXES
35 V; 175 mA
PANEL 12 V DATA 35 V PTT
+ L - + - Dt Ck E G V1 V2 C1 C2
- It is possible to use 2 different outdoor pannels: MDS Direct or MDS Digital with electronic
directory.
- The MDS 147U blocks show how the Central Units of the Building Telephone System (each one
up to 199 apartments) are connected to the MDS outdoor pannel.
- The TF1 1A block represents how to connect the elements of the Building Telephone System.
32
TF 1A
MDS 147U
TF 1A
MDS 147U
REF. 6062 REF.2409
REGLETA
DE
EMPALME
REF. 6062 REF.2409
REGLETA
DE
EMPALME
LCD DIGITAL SYSTEM
1 2 3
4 5 6
7 8 9
A 0 B
MDS 9C