BBV RS485 - Page 27

RS485 Star Card Manual V14 4Feb04.doc Page 27/29
Star Card Star Card Star Card
Star Card
Control System
Star Cards can be cascaded
to suit each installation
RS485 to domes/receivers RS485 to domes/receivers RS485 to domes/receivers
Each leg
1200M Maximum
Each leg
1200M Maximum
Each leg
1200M Maximum
1200M Maximum
Star Card Star Card Star Card
Control System
On single direction RS485, multiple StarCards can be daisy chained to provide multiple outputs.
RS485 to domes/receivers RS485 to domes/receivers RS485 to domes/receivers
Each leg
1200M Maximum
Each leg
1200M Maximum
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
1 2 3 4 5 6 7 8
ON
Starcard SW3 setting
RX485 Unterminated
4 WIRE
Starcard SW3 setting
RX485 Unterminated
4 WIRE
Starcard SW3 setting
RX485 terminated
4 WIRE