Phihong POE21-120H Prospecto

Unit receives power from Phihong PoE Plus 
Midspans only using Cat 5e or Cat 6 wiring up to 
100 meters per IEEE802.3. For information on PoE 
Plus Midspans please go to www.midspans.com 

 
DC Input Current 

0.7A (DC) and 45VDC at maximum load 
 

45 – 57VDC for 12V 

Line and Load ±2% 

120mV maximum at 25

o

C 

 
Efficiency 

75% minimum at maximum load, 48V input 

In case of output over voltage overload, crowbar 
will short. The output can be shorted permanently 
without damage. 

Operation 

 

0 to +40°C 

Non-operation   

-20 to +65°C 

Operation 

 

5 to 90% 

 
 
 
 
 
 
 
 
 
 
 
 
 

ESD:   

EN61000-4-2.  Level 3 

RS: 

 

EN61000-4-3.  Level 2 

 
Note: RS and ESD tested with POE36U-1AT

 

EN55022 Class A 
FCC Part 15, Class A 

Dielectric withstand (HI-POT) Test 
Primary to secondary: 2121VDC for 1 minute, 10mA 
 

Primary to Secondary: >10M Ohm 500V DC 
 

GREEN LED – Output power “ON” 

 
Warranty 

1 Year 

RJ45 

 
Output Connector 

POE and data RJ45 Jack 

 
DC Output 

Center Positive Barrel 12mm x 2.1mm ID x 5.5mm OD 

 Tip is user changeable for other sizes 
  
 
 
 
 
 
 
 
 
 
 
 

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