User's Manual

36
S2510 Reader - Reference Guide April ’00
4.5.5 Master/Slave (with acknowledgement)
Figure 12 shows the way that the Readers have to be connected for master/slave
synchronization with acknowledgement. Make sure that you set the software
configuration to Master or Slave (according to Table 34) when you are configuring
the reader.
Table 34 shows the setting of DIP switch switches 1, 2 & 3.
Figure 12
:
Master/Slave Synchronization Interface Connection
Table 34: Master/Slave Synchronization With Acknowledgement
Line Termination
Dip Switch
Unit 1: (Master)
Unit 2...Unit n-1:
(Slaves)
UNIT n: (Slave)
SW1 ON OFF ON
SW2 ON OFF ON
SW3 ON OFF ON (see Note)
Note:
If the distance between Unit 1 and Unit n is less than approximately
400 m, DIP switch SW3 can be left OFF.