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Catalyst 6500 Series Switch SIP, SSC, and SPA Hardware Installation Guide
OL-9041-04
Chapter 3 Catalyst 6500 Series Switch SPA Overview
2-Port Gigabit Ethernet SPA Overview
Figure 3-39 2-Port Fast Ethernet RJ-45 Connections, Plug, and Receptacle
Table 3-26 lists the pinouts and signals for the RJ-45 connector.
Ta b l e 3-26 2-Port Fast Ethernet RJ-45 Connector Pinouts
2-Port Gigabit Ethernet SPA Cables and Connectors
The interface connectors on the 2-Port Gigabit Ethernet SPA are two individual fiber-optic receivers that
support SFP modules. Each port can send and receive traffic using the optical fiber connections.
SFP Module Connections
The small form-factor pluggable (SFP) module is an input/output (I/O) device that plugs into the Gigabit
Ethernet ports on the 2-Port Gigabit Ethernet SPA, linking the port with a fiber-optic network.
Note The 2-Port Gigabit Ethernet SPA will only accept the SFP modules listed as supported in this document.
An SFP module check is run every time an SFP module is inserted into the 2-Port Gigabit Ethernet SPA,
and only SFP modules that pass this check can be used by the 2-Port Gigabit Ethernet SPA.
SFP modules exist for technologies other than Gigabit Ethernet and for products other than the 2-Port
Gigabit Ethernet SPA. However, the information in this document pertains only to SFP modules that plug
into the 2-Port Gigabit Ethernet SPA ports.
242688
8 7 6 5 4 3 2 1
RJ-45 connector
Pin Description
1 Transmit data + (TxD+)
2 TxD–
3 Receive data + (RxD+)
4 Reserved
5 Reserved
6 RxD–
7 Reserved
8 Reserved
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