Tecnoalarm Tecnofire TFA2-596, Installation Manual, Page: 61 / 64

TFA2-596 - TFA4-1192
61
1 + +24V DC
2 - -
3 A
4 B
5 S
ON O O O ON N
1 2 4 3
ON
10-9 - Repeaters
SW1 1 Bus termination
ON
2 3
4
1
ON
Bus terminated (only if last device)
OFF
Bus not terminated (only if not last device)
2
Unused (reserved)
3 BOOT function
ON
Programming mode (BOOT function enabled)
OFF Normal operating mode
4 CLR function
ON Programming mode (CLR function enabled)
OFF Normal operating mode
Terminals Description Signal
Positive power supply voltage for serial bus
Negative power supply voltage for serial bus
Channel A serial bus Serial
Channel B serial bus Serial
Cable shield connection -