Installation guide

TX1500 Manual V5.1 April 2014 Page 7 of 36 TX1500 MATRIX
SYSTEM BBUS WIRING EXAMPLES
The following diagrams show examples of various wiring schemes.
Keypad 1
BBUS Un-Terminated
PROGRAM Enabled
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
BBUS maximum distance 1200m end to end
1 2 3 4 5 6 7 8
ON
Keypad 2
BBUS Un-Terminated
PROGRAM Disabled
Keypad 3
BBUS Un-Terminated
PROGRAM Enabled
Keypad 4
BBUS Terminated
PROGRAM Enabled
Matrix SW2
BBUS Terminated
Fig 7. Example with all Keyboards daisy chained from the TX1500 matrix using a single BBUS leg.
Fig 8. Example with all Keyboards daisy chained from the TX1500 matrix using two BBUS legs.
5/RB -> 3
2/TRB -> 5
3/TRA -> 4
5 4 3 2 1
4/RA -> 6
STARCARD
KEYBOARD
BBUS maximum distance 1200m end to end
1 2 3 4 5 6 7 8
ON
Matrix SW2
BBUS Terminated
Keypad 1
BBUS Terminated
PROGRAM Enabled
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
Keypad 2
BBUS Terminated
PROGRAM Disabled
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
Keypad 3
BBUS Terminated
PROGRAM Enabled
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
Keypad 4
BBUS Terminated
PROGRAM Enabled
GREEN RED
YELLOW BLACK
ORANGE
BLUEWHITE
BROWN
Fig 9. Use of a starcard to allow star wiring of keyboards.
Keypad
1
BBUS Un
-
Terminated
PROGRAM Enabled
GREEN
RED
YELLOW
BLACK
ORANGE
BLUE
WHITE
BROWN
GREEN
RED
YELLOW
BLACK
ORANGE
BLUE
WHITE
BROWN
GREEN
RED
YELLOW
BLACK
ORANGE
BLUE
WHITE
BROWN
GREEN
RED
YELLOW
BLACK
ORANGE
BLUE
WHITE
BROWN
BBUS maximum distance
1200
m end to end
1
2
3
4
5
6
7
8
ON
Keypad
2
BBUS Un
-
Terminated
PROGRAM Disabled
Keypad
3
BBUS Un
-
Terminated
PROGRAM Enabled
Keypad
4
BBUS Terminated
PROGRAM Enabled
Matrix SW
2
BBUS Un
-
Terminated