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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
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