Connection to public address system with SIME (MPS-8Z with ZES22 matrix)
Support Handbook - LDA MPS-8Z S02
1.2
RS-485 Connection
In order to properly connect MPS-8Z microhone and ZES-22, it is mandatory to do it by an
specific UTP cable. This cable should be CAT 5 or higher.
Starting with the attached diagram (Picture 3), the next connection must be followed
This will be the input connector for MPS8-Z Microphone (ACSI bus).
Next step, the wiring connection to ZES-22 must follow this pinout indicaions:
1. (Striped Orange): Audio +
2. (Orange): Audio -
3. (Striped Green): GND
4. (Blue): RS-485 A
5. (Striped Blue): RS-485 B
6. (Green): GND
7. (Striped red): + 24 V
8. (Red): + 24 V
•
This wiring must be connected by a three ways Euroblock connector, getting split two
connector for RS-485 and audio input ports.
•
As shows on Picture 4 indications, this wires connect to tags number 4 (input/output
ZES-22 ports) and number 8 (RS-485). Furthermore, the audio input CH3 must be the
used one for a correct setup.
Picture 3: RJ45 Type B pinout diagram
