Download Power over Ethernet (POE) – распиновка

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Transcript
Power over Ethernet (POE) – распиновка
Power over Ethernet is a technology that allows IP telephones, wireless LAN Access Points, Security network cameras and other IP-based terminals to receive power, in parallel to
data, over the existing CAT-5 Ethernet infrastructure without the need to make any modifications in it. Described by IEEE 802.3af standard.
PoE integrates data and power on the same wires, it keeps the structured cabling safe and does not interfere with concurrent network operation. PoE delivers 48v of DC power over
unshielded twisted-pair wiring for terminals consuming less than 13 watts of power.
http://pinouts.ru/Net/poe.shtml
IEEE 802.3af standard POE pinout:
Pin
Alternative A
1
Vport Positive
2
Vport Positive
3
Vport Negative
Alternative B
4
Vport Positive
5
Vport Positive
6
Vport Negative
7
Vport Negative
8
Vport Negative
POE devices pinouts of various manufacturers
SOURCE
Source
1
2
3
RX,
RX,
TX,
protected DC+ DC+
DC-
Voltage
IEEE 802.3af
using spare
pairs
REMARKS
Ethernet RJ-45 connector pin number
STANDARD
IEEE 802.3af
using data
pairs
LOAD
4
5
6
7
8
Load
DC Load
Voltage
Connector
Industry
48 V DC,
spare spare
TX,
DC-
spare spare
(embedded)
Standard
for active
PoE
Industry
48 V DC,
protected
RX
RX
TX
DC+
DC+
TX
DC-
DC-
(embedded)
Standard
for passive
PoE
Usually
Intel, Symbol,
Orinoco
12 or 24
Cisco
(OLD old
standard)
48 V DC
Cisco
(NEW old
standard)
48 V DC
Most
RX
RX
TX
DC+
DC+
TX
DC-
DC-
(embedded)
V DC
Brands of
PoE
Older Cisco
RX
RX
TX
DC-
DC-
TX
DC+
DC+
(embedded)
polarity is
REVERSED
New Cisco
RX
RX
TX
DC+
DC+
TX
DC-
DC-
(embedded)
is IEEE
compliant
Seen on
Cisco (very
unusual)
D-Link
28 V DC
DC+
DC-
TX
n.c.
n.c.
TX
RX
RX
(embedded)
Cisco 7936
conference
station
48 V DC
RX
RX
TX
DC+
DC+
TX
DC-
DC-
[email protected]
or
DC
D-Link PoE
12VDC@1A
(Adapter)
coaxial
5.5/2.5mm
Adapter for
non-PoE
products.
Apple
MacIntosh
AirPort PoE,
Extreme
48 V DC
RX
RX
TX
DC??
DC??
TX
DC??
DC??
Converted
to ???
DC
Mac
coaxial
Polarity
(???)
Unknown
DC
Many DC
HyperLink
Voltages
RX
RX
TX
DC+
DC+
TX
DC-
DC-
Available
same as
input
coaxial
and
others
available
NYC Wireless
Roll Your Own
12 or 24
or 48 V
RX
RX
TX
DC+
DC+
TX
DC-
DC-
DC
same as
input
DC
coaxial
or as reqd
Variety of
Options
Available to
Fit Most
Brands of
PoE
New York
City
Wireless
PoE
3Com
3Com
AirConnect
AirConnect
24 V DC
RX
RX
TX
spare spare
TX
DC+
DC-
wireless
access
points
Alvarion VL
TP-link TLSF1008P
55 Vdc
RX
RX
TX
DC-
DC-
DC+
DC+
DC-
TX
DC+
DCDC+
PoE - powered devices should obey following specifications:
Parameter
Min
Max
Signature Resistance, KOhm
23.75
26.25
Startup Time (till I>10mA), ms
300
Power Consumption, W
12.95
Operating Input Voltage Range, V
36
Must Turn on Voltage, V
44
Must Turn off Voltage, V
30 V
Input Current (@36Vdc), mA
10
Input Current, Peak, mA
Maximum length of the cable PoE UTP 5cat.
Input Voltage 9 V: < 30 m
Input Voltage 12 V: < 60 m
Input Voltage 24 V and more answers the quality IEEE 802.3af standard.
57
350
400