Dell PowerConnect 2708 User's Guide - Page 24

Pin Connections for SFP Interfaces, Power Connectors, Internal Power Supply Connector

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Pin Connections for SFP Interfaces Table 2-8. SFP Pin Connections Pin No Use 1 Transmitter ground (common with receiver ground) 2 Transmitter fault 3 Transmitter disable; laser output disabled on high or open. 4 Module definition 2; data line for serial ID. 5 Module definition 1; clock line for serial ID. 6 Module definition 0; grounded within the module. 7 Rate select; no connection required. 8 Loss of signal indication; logic 0 indicates normal operation. 9 Receiver ground (common with transmitter ground) 10 Receiver ground (common with transmitter ground) 11 Receiver ground (common with transmitter ground) 12 Receiver inverted data out; AC coupled. 13 Receiver non-inverted data out; AC coupled. 14 Receiver ground (common with transmitter ground) 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 2708/2716/2724/2748 switches are powered by using the AC internal power supply. Internal Power Supply Connector The PowerConnect 2708, PowerConnect 2716, PowerConnect 2724 and PowerConnect 2748 switch systems 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. 24

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24
Pin Connections for SFP Interfaces
Table 2-8.
SFP Pin Connections
Power Connectors
The PowerConnect 2708/2716/2724/2748 switches
are
powered by using the AC internal power
supply.
Internal Power Supply Connector
The PowerConnect 2708, PowerConnect 2716, PowerConnect 2724
and PowerConnect 2748
switch systems 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.
Pin No
Use
1
Transmitter ground (common with receiver ground)
2
Transmitter fault
3
Transmitter disable; laser output disabled on high or open.
4
Module definition 2; data line for serial ID.
5
Module definition 1; clock line for serial ID.
6
Module definition 0; grounded within the module.
7
Rate select; no connection required.
8
Loss of signal indication; logic 0 indicates normal operation.
9
Receiver ground (common with transmitter ground)
10
Receiver ground (common with transmitter ground)
11
Receiver ground (common with transmitter ground)
12
Receiver inverted data out; AC coupled.
13
Receiver non-inverted data out; AC coupled.
14
Receiver ground (common with transmitter ground)
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)