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Catalyst 6500 Series Supervisor Engine Guide
OL-7397-03
Chapter 3 Installing Supervisor Engines
Attaching the Network Interface Cables
A mode-conditioning patch cord is an optical fiber cable assembly that consists of a pair of optical fibers
terminated with connector hardware. Specifically, the mode-conditioning patch cord is composed of a
single-mode optical fiber permanently coupled off-center (see Offset in
Figure 3-7 and Figure 3-8) to a
graded-index multimode optical fiber. Figure 3-7 and Figure 3-8 show a diagram of the
mode-conditioning patch cord assembly.
Figure 3-7 Mode Conditioning Patch Cord with SC (GBIC Transceiver) Connector
Figure 3-8 Mode Conditioning Patch Cord with LC (SFP Transceiver) Connector
1 Beige color identifier 6 Multimode fiber (MMF)
2 To Gigabit Ethernet interface (SC male
connector)
7 Single-mode fiber (SMF)
3 Rx (receiver) 8 Offset junction
4 Tx (transmitter) 9 To cable plant (SC male connector)
5 Blue color identifier
/ / / /
/ /
TX
Offset
RX
57011
1 1
1
2
3
4 5
6
9
87 6
1 Gray color identifier 5 Single-mode fiber
2 To Gigabit Ethernet interface (LC male
connector)
6 Offset junction
3 Blue color identifier 7 Beige color identifier
4 Multimode fiber 8 To cable plant (SC male connector)
/ / / /
/ /
TX
Offset
RX
84159
1 7
2
3 7
4
8
65 4