Extreme Networks Altitude 300-2, Getting Started Manual, Page: 57 / 62

Altitude 300-2™ Getting Started Guide 57
E
Power Over Ethernet
Connector Pin Assignments
The Altitude 300-2
™
complies with the IEEE P802.3af specification in its support
of two modes of power delivery on the RJ-45 Ethernet jack. Table 17 shows the
pins that are used to deliver -48 volts to the wireless port and Figure 14 shows
the RJ-45 connector's pin number assignment. The Summit 300-48
™
uses the
MDI, Mode A to deliver power to the Altitude 300-2
™
.
Vport = 44 to 57 volts under no load
Figure 14: Ethernet Connector Pin Number Assignment
Table 16: Altitude 300-2
TM
Power Over Ethernet RJ-45 Pin Assignments
Conductor Mode A: MDI (mode used by the Summit 300-48 ™ ) Mode B: AII
1 Negative Vport
2 Negative Vport
3 Positive Vport
4 Positive Vport
5 Positive Vport Positive Vport
6
7 Negative Vport
8 Negative Vport
2 3 4 5 6 7 8 1