Setting up
3.2
Dip switch settings
3.2.1
Setting the address UCI reader protocol (RS485 bus operation, 2-wire)
12
Siemens Building Technologies
Fire Safety & Security Products
The UCI reader protocol supports bus operation with up to 4 card readers. Each
reader on one bus must have a different "Bus Address" so that the system can dis-
tinguish between them. The Bus Address of a reader is set by DIP switches as
shown below in Figure 7 and Table 2.
Fig. 7
DIP switch positions
DIP 1
DIP 2
off
off
off
off
off
off
off
off
Bus addresses for UCI reader protocol
Tab. 2
DIP 3
DIP 4
off
off
off
on
on
off
on
on
Bus address
0
1
2
3
02.2010