Manualsbrain.com
  1. Manuals
  2. Brands
  3. Elmo
  4. esd-ho1
  5. User Manual

Elmo esd-ho1 User Manual

Download
Page of 12
  
6 
PCB CONNECTION 
 
 
TERMINAL BLOCK DEFINITION 
 
Pin Name 
AC24V Set 
DC12V Set 
VG 
AC24V in : line2 
DC12V in : GND 
V_IN 
AC24V in : line1 
DC12V in : +12V 
12V 
DC12V output : +12V    ( For Keyboard ; Max.400mA ) 
GND 
DC12V output Ground and Alarm Ground. 
1 
Alarm 1 
2 
Alarm 2 
3 
Alarm 3 
4 
Alarm 4 
D+ 
RS-485 Differential Signal D+ ( Tx +) 
D- 
RS-485 Differential Signal D- ( Tx - ) 
D+ 
Additional RS-485 Differential Signal D+ ( Tx +) 
D- 
Additional RS-485 Differential Signal D- ( Tx - ) 
Remark : 
1. Half-duplex mode is standard.   
2. D+,D- are used to transmit and received commands. You need only two wires to 
transmit and receive commands under half-duplex mode.   
 
 
1. BNC Video Output 
You can connect video
cable to monitor directly. 
 
2. Terminal Block   
Power, Control Signal
and alarm inputs. 
 
3. 16 Pin Connector   
Connect cable to dome 
camera 
 
4. 16 Pin Connector 
Connect cable to external 
box ( Optional )