2-6
Cisco SCE8000 GBE Installation and Configuration Guide
OL-19897-02
Chapter 2 Introduction to the Cisco SCE8000 GBE Platform
Modular Optics
• Each 1-Port 10-Gigabit Ethernet SPA provides a one 10GBE port to connect to the corresponding
cascade interface on the peer SCE8000 GBE platform in a cascaded pair. These interfaces are not
explicitly configured.
1-Port 10-Gigabit Ethernet SPAs can be installed in subslots 2 and 3 only.
• Either a blank filler plate or a functional SPA should reside in every subslot of an SIP during normal
operation to maintain cooling integrity. Blank filler plates are available in single-height form only.
Modular Optics
The SPAs implement SFP small form-factor pluggable optical transceivers to provide network
connectivity. An SFP module is a transceiver device that mounts into the front panel to provide network
connectivity.
Note It is highly recommended only to use the SFP modules listed as supported in this document. Use of
unsupported or unqualified SFP modules may affect reliability of operation.
The interface connectors on the 8-Port Gigabit Ethernet SPA are fiber optic receivers that each support
one SFP.
8-Port Gigabit Ethernet SPA Cables and Connectors
The interface connectors on the 8-Port Gigabit Ethernet SPA are eight 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 8-Port Gigabit Ethernet SPA, linking the port with a fiber-optic network.
Note The 8-Port Gigabit Ethernet SPA accepts only the SFP modules listed as supported in this document. An
SFP module check is run every time an SFP module is inserted into the 8-Port Gigabit Ethernet SPA, and
only SFP modules that pass this check can be used by the 8-Port Gigabit Ethernet SPA.
SFP modules exist for technologies other than Gigabit Ethernet and for products other than the 8-Port
Gigabit Ethernet SPA. However, the information in this document pertains only to SFP modules that plug
into the 8-Port Gigabit Ethernet SPA ports.
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