74 Sun Dual 10GbE XFP PCI Express Card User’s Guide • January 2009
TABLEA-1 lists the characteristics of the fiber connectors used by the Sun x8 Express Dual

10 Gigabit Ethernet Fiber XFP Low ProfileAdapter.

Performance Specifications
TABLEA-1 XFP Connector Characteristics
Parameter Description
Connector type LC
Distance 10GBase-SR: Depending on fiberquality, up to 300 meters
for high bandwidth multimode fiber
10GBase-LR: Depending on fiberquality, 10km maximum
Fiber type 10GBase-SR = multimode
10GBase-LR = single mode
TABLEA-2 Performance Specifications
Feature Specification
Bus type x8 lane PCI-Express 1.1
Bus width x8 lane PCI-Express
Bus speed (x8, encoded rate) 20Gbit/sec uni-directional; 40 Gbit/sec bidirectional
(theoretical)
Maximum Ethernet transfer rate 10 Gbps (full-duplex)
Optics 10GBase-SR, 10GBase-LR, IEEE 802.ae 2002
compliant