10
Figure 7.
MDI-X switch pressed in performs 10/100Base-T crossover function
3.3 CONNECTING POWER
An external AC or DC power supply is available separately. This connec-
tion is made via the barrel jack on the rear panel of the Models 2156 and
2157. No configuration is necessary for the power supply (See
Appendix B on page 17 for domestic and international power supply and
cord options).
3.4 POWER INPUT CONNECTOR
The
CopperLink Ethernet Extender comes with an AC or DC power supply.
• The supplies connection to the CopperLink Ethernet Extender is a
2.5 mm barrel receptacle with the center conductor positive (see
Figure 6).
Figure 8.
Power connection barrel receptacle diagram
• CopperLink Ethernet Extender’s rated voltage: 5.0 VDC
• CopperLink Ethernet Extender’s rated current: 1 A DC
External AC universal power supply
• Output from power supply: 5 VDC, 2A
• Input to power supply: universal input 100–240 VAC 50/60 Hz 0.3A
2157 10/100Base-T Port
RJ-45 Pin No.
1 (TX+) 1 (TX+)
2 (TX-) 2 (TX-)
3 (RX+) 3 (RX+)
6 (RX-) 6 (RX-)
10/100Base-T DTE
RJ-45 Pin No.
