Connections
30
Wiegand Readers
Direct Wiegand signaling read head connections are shown in Figure 18.
FIGURE 18. Wiegand Readers
RM Readers - I8s - R8s
Normal RM bus wiring is used for RM readers, I/8 boards, and R/8 boards.
Notice that the connectors are oriented so that a connector taken off of RM1 can
be used on RM2 or RM3 without moving the wires.
FIGURE 19. RM Wiring
TABLE 11. Maximum Wiegand Distance
Gauge Wire Maximum Distance
18 AWG 500 feet
20 AWG 300 feet
22 AWG 200 feet