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2 – General Description
Fibre Channel Ports
2-6 59265-02 A
S
Transceivers
The SANbox 5800V Series switch supports SFP optical transceivers for the SFP
ports and XPAK optical transceivers or XPAK stacking cables for the XPAK ports.
A transceiver converts electrical signals to and from optical laser signals to
transmit and receive data. Duplex fiber optic cables plug into the SFP transceivers
which then connect to the devices. An SFP port is capable of transmitting at 1-, 2-,
4-, or 8-Gbps; however, the transceiver must also be capable of delivering at
these rates.
The SFP and XPAK transceivers are hot-pluggable. This means that you can
remove or install a transceiver while the switch is operating without harming the
switch or the transceiver. However, communication with the connected device will
be interrupted. Refer to “Install Transceivers” on page 4-5 for information about
installing and removing SFP and XPAK optical transceivers.
Port Types
SANbox 5800V Series switches support generic ports (G_Port, GL_Port), fabric
ports (F_Port, FL_Port), and expansion ports (E_Port). Switches come from the
factory with all SFP ports configured as GL_Ports. The XPAK ports come from the
factory configured as G_Ports. Generic, fabric, and expansion ports function as
follows:
A GL_Port self-configures as an FL_Port when connected to a loop device,
as an F_Port when connected to a single device, or as an E_Port when
connected to another switch. If the device is a single device on a loop, the
GL_Port will attempt to configure first as an F_Port, then if that fails, as an
FL_Port.
A G_Port self-configures as an F_Port when connected to a single device, or
as an E_Port when connected to another switch.
An FL_Port supports a loop of up to 126 devices. An FL_Port can also
configure itself during the fabric login process as an F_Port when connected
to a single device (N_Port).
An F_Port supports a single device.
E_Ports enable you to expand the fabric by connecting SANbox 5800V
Series switches.
SANbox 5800V Series switches self-discover all inter-switch connections. Refer to
“Multiple Chassis Fabrics” on page 3-6 for more information.