MDS SYSTEM
REF. 2426
Installation guide for
Cod.: 94066. V09/11
AUDIO ISODECODER 4
6
1
11
10
8
7
3
2
5. Led indicator. It is on when
1. BUS cable connector to
some telephone in
the
next
decoders,
decoder is called.
according
to
the
corresponding
wiring
6. Audio testing connector.
diagram.
7. PC programming / test
2. BUS cable connector
connector and protection
from
the
previous
fuse (under the cover).
decoders or from the
8. Connector for auxiliary
Central Unit, according to
functions. Connect
the wiring diagram.
according wiring
3. PGM button (for progra-
diagram.
ming
the
Decoder
9. Jumpers and audio testing
according
to
the
switcher (under the cover).
Programming Manual).
10. Decoder Identification
4. Telephone connector.
Label.
Connect
telephones
11. Connector to activate the
according
to
wiring
distributor (only in video
diagram.
installations).
Installation
The Audio Isodecoder 4 can be installed either on a DIN
rail or directly to the wall.
* Installation on DIN rail
9
Mounting
* Instalallation wall mounting
Use the 2 screws provided to fix the decoder to the wall.
Use a 6 mm drill to make the holes.
5
4
Removing the connectors
Use a screwdriver to remove the connectors, for easier
connecting of the cables.
NOTES on the DECODER:
- Do not leave the first address without programming.
- Do not program different outputs with the same address.
Connecting the decoder
Connect the decoder according to the corresponding wiring
diagram.
* Stripping cable
Remove 10 cm of the cable cover and 0.5 cm from each
wire. Ensure that cable is stripped correctly so that no shorts
are made.
Demounting
* Cabling connectors
After connections are complete insert the connectors onto
the decoder.
Recommendations
* Ensure the correct polarity of the wiring. Incorrect
installation can cause damage to the decoder or make
the system fail.
* The decoder must always be installed inside, where
rain or moisture cannot affect it.
* Alwais mark the Decoder Identification Label with
the decoder number and
its
assigned
numbers, according to the
corresponding wiring
diagram. This will ensure
base of pro-gramming and
servicing.
DECODERS BUS wiring
sensor