Dahua DHI-ASC1204B User Manual page 18

Port
Lock control output
port
2.4.4 Wiring Description of Reader
1 door only supports to connect one type of reader—485 or Wiegand.
Please refer to Table 2-5 for descriptions of wiring terminals corresponding to readers. Take
door 1 for example; other readers are the same. Please refer to Table 2-6 for descriptions of
reader cable specification and length.
Port
Entry Reader of
Door 1
Figure 2-9
Table 2-4
Wiring Terminal
NC1
COM1
NO1
NC2
COM2
NO2
NC3
COM3
NO3
NC4
COM4
NO4
Table 2-5
Wiring Terminal Cable Color
485+ Purple
485- Yellow
LED Brown
D0 Green
D1 White
CASE Blue
GND Black
12V Red
Description
Lock control of door 1
Lock control of door 2
Lock control of door 3
Lock control of door 4
Description
485 reader
Wiegand reader
Reader power supply
Installation Guide 8