Power Connectors; Internal Power Supply Connector - Dell PowerConnect 2816 User Manual

Table 2-8. SFP Pin Connections
Pin No Use
15 Receiver power supply
16 Transmitter power supply
17 Transmitter ground (common with receiver ground)
18 Transmitter non-inverted data in
19 Transmitter inverted data in
20 Transmitter ground (common with receiver ground)

Power Connectors

The PowerConnect 28xx is powered by using the AC internal power supply.

Internal Power Supply Connector

The PowerConnect 28xx supports a single internal power supply to provide power for switching
operations. The internal power supply supports input voltages between 100 and 240 VAC. The AC power
connector is located on the back panel of the switch.
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Dell PowerConnect 28xx Systems User Guide