Aerohive AP330 - Ethernet and Console Ports

Chapter 1 Aerohive AP330 and AP350
10 Aerohive
Ethernet and Console Ports
There are three ports on the AP330 and AP350: two RJ-45 10/100/1000Base-T/TX Ethernet ports and an RJ-45
console port.
The pin assignments in the Ethernet ports follow the TIA/EIA-568-B standard (see Figure 2). The ports accept
standard types of Ethernet cable—cat3, cat5, cat5e, or cat6. Because the ports have autosensing
capabilities, the wiring termination in the Ethernet cable can be either straight-through or cross-over.
Figure 2 PoE wire usage and pin assignments
ETH0
Pin T568A Wire Color
1 White/Green
2 Green
3 White/Orange
4Blue
5 White/Blue
6 Orange
7 White/Brown
8Brown
(View of the ETH0
PoE Port)
8 1
Pin numbers
Pin T568B Wire Color
1 White/Orange
2 Orange
3 White/Green
4Blue
5 White/Blue
6 Green
7 White/Brown
8Brown
T568A-terminated Ethernet
cable with an RJ-45 connector
Data Signal
802.3af Alternative A
(data and power on the
same wires)
802.3af Alternative B
(data and power on
separate wires)
802.3at wring options
Pin MDI MDI-X MDI or MDI-X 1 2 3 4
1 Transmit + DC+ DC– – – – DC1+ DC1– DC1+ DC1–
2 Transmit - DC+ DC– – – – DC1+ DC1– DC1+ DC1–
3 Receive + DC– DC+ – – – DC1– DC1+ DC1– DC1+
4 (unused) – – – – – – DC+ DC2+ DC2+ DC2– DC2–
5 (unused) – – – – – – DC+ DC2+ DC2+ DC2– DC2–
6 Receive - DC– DC+ – – – DC1– DC1+ DC1– DC1+
7 (unused) – – – – – – DC– DC2– DC2– DC2+ DC2+
8 (unused) – – – – – – DC– DC2– DC2– DC2+ DC2+
MDI = Medium dependent interface for straight-through connections
MDI-X = Medium dependent interface for cross-over (X) connections
The Eth0 PoE port is auto-sensing and can automatically adjust to transmit and receive data over straight-through or
cross-over Ethernet connections. Likewise, it can automatically adjust to 802.3af Alternative A and B power delivery
methods. Furthermore, when the Alternative A method is used, the port automatically allows for polarity reversals
depending on their role as either MDI or MDI-X. In 802.3at, the 1/2 and 3/6 wire pairs connect to DC source 1 and 4/5
and 7/8 pairs to DC source 2 in PSE. Although the exact polarity depends on the PSE design, the Eth0 PoE port can
support all possible options.
T568B-terminated Ethernet
cable with an RJ-45 connector
T568A and T568B are two
standard wiring termination
schemes. Note that the only
difference between them is that
the white/green + solid green pair
of wires and the white/orange +
solid orange pair are reversed.
For straight-through Ethernet
cables—using either the T568A or
T568B standard—the eight wires
terminate at the same pins on
each end.
For cross-over Ethernet cables,
the wires terminate at one end
according to the T568A standard
and at the other according to
T568B.