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• ISS 17APR19
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Power over Ethernet
PoE Standard
IEEE 802.3at
Power over Ethernet
Plus
/ PSE
PoE Power Supply
Type
End-
Span
Power Pin
Assignment
1/2(+), 3/6(
-)
PoE Power Output
54 VDC Per Port, Max.
36 W
PoE Power Budget
(max.)
60
W @
12
V
DC
input
90
W @
24
V
DC
input
120
W @
48
V
DC
input
Max.
N
umber of
Class 2 PDs
4
Max.
N
umber of
Class 3 PDs
4
Max.
N
umber of
Class 4 PDs
4
Standards conformance
Regulatory
compliance
FCC Part 15 Class A, CE
Stability testing
IEC60068
-2-
32 (Free Fall)
IEC60068
-2-
27 (Shock)
IEC60068
-2-
6 (Vibration)
Standards
Compliance
IEEE
802.3 10BASE
-T
IEEE 802.3u 100BASE
-TX
IEEE 802.3ab Gigabit 1000BASE
-T
IEEE
802.3x Flow Control and Back
P
ressure
IEEE 802.3af Power over Ethernet
IEEE 802.3at Power over Ethernet Plus
Environment
Temperature
Operating:
-40 to +75°C
Storage:
-40 to 85°C
Humidity
5% to 95
% (
non-condensing)
Appendix: Networking
connection
RJ45 pin assignments
1000Mbps, 1000BASE-T
Contact
MDI
MDI-X
1
BI_DA+
BI_DB+
2
BI_DA
-
BI_DB
-
3
BI_DB+
BI_DA+
4
BI_DC+
BI_DD+
5
BI_DC
-
BI_DD
-
6
BI_DB
-
BI_DA
-
7
BI_DD+
BI_DC+
8
BI_DD
-
BI_DC
-
10/100Mbps, 10/100BASE-TX
Contact
MDI
Media Dependent
Interface
MDI-X
Media Dependent
Interface-Cross
1
Tx + (transmit)
Rx + (receive)
2
Tx
-
(transmit)
Rx
-
(receive)
3
Rx + (receive)
Tx + (transmit)
4, 5
Not used
6
Rx
-
(receive)
Tx
-
(transmit
)
7, 8
Not used
RJ45 cable pin assignments
The standard RJ45 receptacle/connector
There are eight
wires on a standard UTP/STP cable and each
wire is color-coded.
Figure
3 on page 8 shows the pin
allocation and color of straight
-
through cable and crossover
cable connection:
