HIKVISION DS-KM8301 - Page 10

Video Intercom Master Station·Quick Start Guide
3
Name
No.
Interface
Description
A3
JIN2
Alarm Input 2 (reserved)
A4
JIN1
Alarm Input 1 (reserved)
A5
GND
Grounding
A6
GND
Grounding
RS485
A7
B-
RS485 Communication Interfaces
A8
B+
A9
A-
A10
A+
ALARM OUT
A11
NC2
Alarm Input 2 (NC/reserved)
A12
COM2
A13
NO2
Alarm Input 2 (NO/reserved)
A14
NC1
Alarm Input 2 (NC/reserved)
A15
COM1
A16
NO1
Alarm Input 1 (NO/reserved)
A17
GND
Grounding
A18
NO4
Optical Coupler Output 4
A19
GND
Grounding
A20
NO3
Optical Coupler Output 3