9
3. Multi user system with two Mux configuration
J-BOX
DOME
RX+(TX+)
DOME2 +
DOME2 - RX-(TX-)
RS485(+)
RS485(-)
Slave #3
Slave #2
Aux 4
Aux 3
Aux 2
Aux 1
Master KBD
Slave #1
SPOT #4
SPOT #3
SPOT #2
SPOT #1
REMOTE CONTROL CABLE FOR MUX
RS485 DOME CONTROL CABLE (Max 1.2km)
RS485(-)
RS485(+)
RX-(TX-)
DOME1 -
DOME1 + RX+(TX+)
DOME
J-BOX
MUX 1
MUX 2
4:RS485(-)
6:RS485(+)
RS485(-)
RS485(+)
RS485 IN PIN 4
SLAVE KBD -
SLAVE KBD +
RS485 IN PIN 6
MUX
J-BOX
MUX PIN 6
MUX PIN 4
OR
Figure 7 – Multi user & two Mux installation