Install Introduction 
Back panel interface introduction 
Introduction: DS-1002K、DS-1003K Back panel interfaces are the same 
 
Fig 1 
No 
Physical interface  Connect introduction 
1 
Output of control PTZ 
  PTZ-CON 
Host keyboard connects PTZ RS485 port. Ta is for RS485+, and Tb is for 
RS485- 
2 
Input of auxiliary keyboard 
for PTZ control 
PTZ-AUX 
Host keyboard connects auxiliary keyboard for PTZ control. Host keyboard 
pin8 (Ra) connects auxiliary keyboard pin10 (Ta), and host keyboard pin7 
(Rb) connects auxiliary keyboard pin9 (Tb). Then auxiliary keyboard can 
control PTZ. 
3 
Ground 
Ground control signal line terminal   
4 
Input of auxiliary control 
keyboard for DVR control 
DVR-AUX 
Host keyboard connects auxiliary keyboard for DVR control. Host keyboard 
pin4 (Ra) connects auxiliary keyboard pin2 (Ta), and host keyboard pin3 (Rb) 
connects auxiliary keyboard pin1 (Tb). Then auxiliary keyboard can control 
DVR. 
5 
Output of control DVR   
DVR-CON 
connect host keyboard pin2 (Ta) with DVR KB  port  D+, and connect host 
keyboard pin1 (Tb) with DVR KB port D- 
6 
PTZ control indicator light 
In PTZ control mode, the led is green lighted and twinkling. 
7 
DVR control indicator 
light 
In DVR control mode, it is green and twinkling. 
8 
Power light   PW 
The lamp of keyboard is constantly red lighted on the working state   
9 
Power input    DC-12V DC 12V power input 
 
  5