Network Technologies ASI-IP-GTW User Manual

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ASI-IP-GTW User's Manual 
 
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20 
1.1.1.17 Connecting the Video Gateway to the AC Power Supply 
To connect the unit to the local AC power supply: 
1.  Ensure that the local ac power supply is switch OFF. 
2.  Connect the ac power lead to the Video Gateway mains input 
connector and then the local mains supply. 
2.3.3 Optional DC Power Supply 
The ASI-IP-GTW can be delivered with a 48 VDC power supply for use 
in environments where this is required. The DC power can tolerate a 
voltage range of 36 – 72 VDC.   Please refer to  
Appendix B: Technical Specification for a detailed specification of the 
power supply.  
Units delivered with DC power supply, has a 3–pin male power D-SUB 
connector in stead of the standard Mains Power Connector. Also a 
female 3-pin D-SUB connector is supplied.  
The pin assignment is shown in Table 4. 
 
Table 4 DC power connector pin assignment 
 
To connect the unit to the local DC power supply: 
1.  Use a soldering tool to attach the supplied loose female power D-
SUB connector to your power leads (not supplied).  
2.  Connect the power leads to your local power supply. 
3.  Connect the DC power connector, with attached power leads, to the 
Video Gateway power input connector.   
 
Warning: If the terminal screw has to be replaced, use an M4x12mm 
long pozidrive panhead. Using a longer screw may cause a safety 
hazard. 
Warning: Do not overload wall outlets and extension cords as this can 
result in a risk of fire or electrical shock. As no power switch is fitted in 
this unit, ensure that the local ac power supply is switch off before 
connecting the supply cord. The unit is not fitted with an on/off switch. 
Ensure that the socket-outlet is installed near the equipment so that is 
easily accessible. Failure to isolate the equipment properly may cause a 
safety hazard. 
Pin (placement) 
Specification 
1 (top) 
(positive terminal)
 
2 (middle) 
-  
(negative terminal) 
3 (bottom) 
Chassis Ground