Specifications

C•CURE apC/L Technical Manual
Reader Wiring Configurations
4-7
To connect readers to the apC/L in a star configuration:
1. Follow Figure 4.4 to connect the apC/L in a star configuration with
the maximum of two readers.
Figure 4.4 Connecting the apC/L and Readers in a Star
Configuration
Table 4.1 shows the P1 apC/L reader port wiring (See Figure 4.5).
apC/L
Reader 1
Reader 2
+12V
+TXD/+RXD
-TXD/-RXD
GND
Two-wire RS-485
with shield and drain wire
Reader Port A
Reader Port B
+12V
+TXD/+RXD
-TXD/-RXD
GND
Two-wire RS-485
with shield and drain wire
W1 on the apC/L is out if both
reader ports are used. SW3-5
is on for both readers. Attach
drain wires on apC/L cabinet
only.
2
3
4
1
2
3
4
1
Table 4.1 P1 apC/L Reader Port Wiring
Pin Signal
1 +12V
2 +TXD/RXD
3 -TXD/RXD
4GND
apcl.bk Page 7 Monday, May 15, 2000 3:21 PM