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4-26 Sun Netra CP3240 Switch Installation Guide • September 2009
4.12.4 1G Configuration for RTM Optical Port
For 1G operation, an SFP module must be used and the port (17-20) must be set to
auto-negotiate. When you enable auto-negotiation, 1G operation is automatically
enabled and 10G operation is automatically disabled.
For all 10G RTM optical ports no auto-negotiate is the default setting. Therefore,
1G operation must be explicitly enabled. Note that Base 10G port, 0/25 and 0/27 do
not support 1G operation. The Fabric 10G RTM optical ports support both 1G and
10G operation.
where
<0/xx> is the port number of the RTM on Fabric. Valid entries are 0/17, 0/18,
0/19, and 0/20.
For each port on the RTM, enter the command.
CODE EXAMPLE 4-7 Enabling 1G Operation on RTM Optical Ports
configure
interface <port numbers/range in 0/20 format>
auto-negotiate
exit
exit