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Chapter 1. Fundamentals
SK-NET Gigabit Ethernet Server Adapters combine servers and workstation computers with the high-
speed Gigabit Ethernet network (1000 Mbit/s) using fiber-optic (FO) or copper cables. At present
there are eight types available. They differ in terms of the number of ports and the transmission
mode. SC duplex connectors, VF-45 connectors (FO) or RJ-45 connectors (copper cabling) are
used to connect to the data network. The adapters can be connected to a switch, a buffered
repeater, or directly to a second station (see also Fig. 1).
Network card Port configuration Fiber-optic transmission
(wavelength)
Copper cabling
SK-NET GE- Single-Port-
Version
Dual-Port-
Version
1300 nm 850 nm UTP
LX 9841
n n
LX dual link 9842
n n
SX 9843
n n
SX Volition 9861
n n
SX dual link 9844
n n
SX dual link Volition 9862
n n
T 9821
n n
T dual link 9822
n n
Computers in which the adapter is to be installed must have one free slot that complies at least with
PCI specification v2.0. A 32-bit or a 64-bit PCI bus running at 33 or 66 MHz may be used. Optimum
performance is generally obtained with a 64-bit/66 MHz PCI bus.