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NLIGHTNING
TECHNOLOGY
INNOVATIVE PoE SPD
PoE Classification (I)
IEEE 802.3af –
Max Power : 15.4W
Max Current : 350mA
PSE Voltage : 44~57V
PD Voltage : 37~57V
Mode A : Power by Pair (1,2) & (3,6)
Mode B : Power by Pair (4,5) & (7,8)
DC Polarity : Any
Cable : CAT3 or CAT5
Data Rate : 10/100/1000Mbps
IEEE 802.3at –
Max Power : 25.5W per Mode
Max Current : 600mA per Mode (Note)
PSE Voltage : 44~57V
PD Voltage : 37~57V
Mode A : Power by Pair (1,2) & (3,6)
Mode B : Power by Pair (4,5) & (7,8)
Mode A + B (Note)
DC Polarity : Any
Cable : CAT5 or CAT6
Data Rate : 10/100/1000Mbps
Note : Incorporate into 802.3-2012
PoE Classification (II)
Passive PoE(Non-Standard) –
Max Power : By Manufacturer
Max Current : By Manufacturer
Voltage : 12/24/48 Typical
Mode : (4,5) & (7,8) Typical
DC Polarity : Any
Cable : CAT5 or CAT6
Data Rate : 10/100Mbps Typical
There is no negotiation between PSE
and PD for power requirement.
Cisco UPoE –
Max Power : 60W
Max Current : 1A
PSE Voltage : 44~57V
PD Voltage : 37~57V
Mode : Power by All 4 Pair
DC Polarity : Any
Cable : CAT5 or CAT6
Data Rate : 10/100/1000Mbps
Typical Connection of PoE Devices
Difficulties of PoE SPD Design
Generally, 30V transient voltage could damage Ethernet IC
PoE IC can only sustain 100V transient voltage
Gigabit Ethernet requires low capacitance load on data line (<10pF)
There are types of devices operated in different PoE mode
Actually, PSE and PD has different circuit, and requires different design
SPD must have high surge capability and reliability
How To Evaluate PoE SPD
Does it compatible with IEEE 802.3af & 802.3at standard?
Does it compatible with non-standard PoE devices?
What’s the performance when apply on real PoE devices?
If its surge capability is real?
Is it small enough for your installation?
Will your devices be damaged before SPD failure?
PD1000 Series – Transmission Test
Click to View Test Video
General Link Test
PD1000 Series – CM Protection Test
Click to View Test Video
6KV by ITU-T K.44 Test Method
PD1000 Series – DM Protection Test
Click to View Test Video
4KV by ITU-T K.44 Test Method
PD1000 Series – Surge Capability Test
Click to View Test Video
1KA by IEC61643-21 Test Method
Conclusion
PD1000MG can reach 1KA discharge current per line, that means total 8KA for
line to earth protection.(Refer to IEC61643-21)
It won’t affect transmission of Gigabit PoE, even apply on 100M CAT5e cable.
Protection capability was demonstrated by real application, PD1000MG does
protect devices from damage.
Built-in failure indicator makes it easy to maintain.
Size only 25mm x 40mm x 80mm
We assumed that PD1000MG is the best Gigabit PoE surge protector in the
market right now.
Product Series
Model Name
CM Protection
Level per
IEC61000-4-5
DM Protection
Level per
IEC6000-4-5
DC Protection
Level per
IEC61000-4-5
Max Discharge
Current per
IEC61643-21
PD1000SE 15KV - - 5KA
PD1000ME 10KV 1KV 0.5KV 2KA
PD1000ME+ 15KV 2KV 1KV 5KA
PD1000MG 20KV 4KV - 8KA
Note1 : PD1000ME/ME+ has operation indicator, it turns off once failure
Note2 : PD1000MG has failure indicator, it turns on once failure
CE Certification
Contact Information
Nlightning Technology Ltd.
Mail : [email protected]
Tel : 886-2-82286212
Fax : 886-2-81927248
Address : 9F, No.661, Bannan Rd., Zhonghe Dist., New Taipei City, Taiwan
Website : www.nlightning.com.tw
