Nortel Networks 2750 User Manual

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  Appendix A  Technical specifications
NN46110-318 02.01
1000BASE-SX Ethernet interface card
The 1000BASE-SX Ethernet interface card implements short-wavelength 
 
(850 nm) laser transmissions. Use this interface card to connect to fiber Gigabit 
Ethernet interfaces on other devices in your network, as well as to provide 
increased throughput. The 1000BASE-SX Ethernet interface card has a single 
type LC fiber connector.
shows the 1000BASE-SX Ethernet interface card.
Figure 35   
1000BASE-SX Ethernet interface card
The port on the 1000BASE-SX Ethernet interface card accommodates a 
multimode fiber (MMF) cable that meets MMF standards. Select fiber cable for 
this interface as follows:
50-micron MMF cable: provides a distance range of 500–550 meters (m)
62.5-micron MMF cable: provides a distance range of 220–275 m
You can order a 10-foot MMF cable from Nortel: 
Order no. DM0011117 provides an LC-to-LC connector
Order no. DM0011118 provides an LC-to-SC connector
7
TP3+
8
TP3-
Table 23   
1000BASE-T Ethernet port pinouts
Pin
Description
11288EA
A
CT/LNK
Intel PR
O
R