Revision 5/29/2018
WWW.PHIHONG.COM
75W Power over Ethernet Adapter
Ultra Power over Ethernet Single Port Injector
Shown here in standard on the left and with NIC option on the right
Features
• Gigabit Compatible
• Full Protection OCP, OVP
• Diagnostic LEDs
• Limited Power Source
• Single Source 4 Pair Power Current
Sharing
• Full Power Cisco AP1250 Support
• Not IEEE BT Compliant
• SNMP Management Option
• Broken Wire Detection
• 1 Year Warranty
12.5k or 25k on Datapairs 3, 6, 1, 2 for
Detection(Latest Revision)
Applications
• Satellite Receiver
• Security Cameras
• Wireless Network Access Points
• Kiosks
• LCD Displays
• Computer Workstations
Safety Approvals
• cUL/UL
• CE
Mechanical Characteristics (Standard Model)
• Length: 166mm (6.53in)
• Height: 44mm (1.73in)
• Width: 80mm (3.15in)
• Weight: 0.5Kg
Output Specifications
Notes:
1. 4-pair powering for 2 outputs at 56V, 0.67A
2. Consult factory for availability
Reference files:
1. SNMPv2c_User_Manual-Rev1.7.pdf
2. SNMPv2c_Firmware-Rev1.7.zip
3. SNMPv2c_MIB_10_30_2009.zip
Phihong is not responsible for any error, and reserves the right to make changes without notice. Please visit our website at www.phihong.com for
the most up-to-date specifications and contact information.
Model
DC Output
Voltage*
Load x2
4-pair powering
1
Regulation
POE75U-1UP-N
2
+56V
Max.
Line
Load
0.67A
54-57V DC under all conditions
Revision 5/29/2018
POE75U-1UP-N Characteristics
WWW.PHIHONG.COM
INPUT:
AC Input Voltage Range
90 to 264VAC
AC Input Voltage Rating
100 to 240VAC, 47-63Hz
AC Input Current
2.0A (RMS) max for 90VAC
1.2A (RMS) max for 240VAC
Leakage Current
3.5mA max @ 254VAC 60Hz
AC Inrush Current
30A (RMS) max for 115VAC
60A (RMS) max for 230VAC
OUTPUT:
Total Output Power
75W
Ripple and Regulation
250mV max
DC Offset
No data degradation with DC imbalance
18mA per min.
Efficiency
80% (typical) at max load, 120VAC 60Hz
Hold-up Time
10mS min. 120VAC and max load
Transient O/P Voltage Protection
60V max
ENVIRONMENTAL:
Temperature
Operation -20 to +40°C
Non-operation -25 to +65°C
Humidity 5 to 90%
EMC
Complies with FCC Class B
Complies with EN55032 Class B
Isolation Test
Primary to Secondary: 4242VDC for 1 minute
10mA
Primary to Field Ground: 2121VDC for 1
minute
Output to Field Ground: 2121VDC
Immunity
ESD: EN61000-4-2. Level 3
RS: EN61000-4-3. Level 3
EFT: EN61000-4-4. Level 2
Surge: EN61000-4-5. Level 3
CS: EN61000-4-6. Level 2
Voltage Dips EN61000-4-11
Harmonic: EN61000-3-2 Class A
Insulation Resistance
Primary to Secondary: >10M OHM
500VDC
Primary to Field Ground: >10M OHM
500VDC
IEEE 802.3af/at Interoperability
If 25kohm or 12.5Kohm is detected the unit
operates in 4-pair powering mode delivering
75W.
FEATURES:
Cisco Legacy detection
No external parts required for Legacy
devices:
VoIP Phones: 7910,7912,7940,7960
Access Points: 350,1100,1200,1250
Over Voltage/Current, Short Circuit
Protection
Outputs equipped with short circuit
protection and overload protection as per
802.3af specifications except max average
current is 1.34A. The output can be shorted
permanently without damage.