Software House RM2-SE - RM-4 Pre-Wired Reader Connections

Setting up the Reader
7
2. The SW3-1, SW3-2, SW3-3, and SW3-6 Configuration Switches are factory
preset for the readers, as shown in Figure 4 on page 7.
3. You can override SW3-4, SW3-5, SW3-7 and SW3-8 if desired.
RM-4 Pre-Wired Reader Connections
Figure 4. RM-4 Reader Pre-Wired Connections
To properly terminate an RS-485 line, only the last unit on the bus should have
SW3-5 in the On (closed) position.
NOTE
The following P3 Reader pins are not used on the RM readers:
 RS-485 TXD/RXD +
 RS-485 TXD/RXD –
 BEEP