C H A P T E R
4-1
Catalyst 4900 Series Switch Installation Guide
78-18039-02
4
Transceiver Modules
This chapter tells you where to find instructions for installing SFP modules and
X2 modules, which are laser optical transceivers used for Ethernet connections.
Where needed, notes applying specifically to these switches are provided.
SFP Modules
To install SFP Modules, refer to the
Cisco Small Form-Factor Pluggable Modules
Installation Note
at the following location:
http://www.cisco.com/en/US/products/hw/modules/ps5455/prod_installation_gu
ide09186a00803aa0da.html
To get the latest information on SFP compatibility, refer to the relevant documents
at the following location:
http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_sup
port_tables_list.html
SFP Modules and Alternative Wiring
The Catalyst 4948 switches have four ports that can be configured with any
combination of SFP modules with LC connectors, as shown in
Figure 4-2
. The
interface configuration mode command
media-type
sfp
|
rj45
can be used to
configure the media type for these ports in the switch software and determines
whether the SFP or the RJ-45 connector is used. The default is SFP.
Summary of Contents for 4908G-L3 - Catalyst Switch
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