Qlogic SANbox 5600 Series, Руководство по установке

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2 – General Description
Fibre Channel Ports
59096-02 C 2-7
A
2.2.1.2
Port Activity LED (Green)
The Activity LED indicates that data is passing through the port. Each frame that
the port transmits or receives causes this LED to illuminate for 50 milliseconds.
This makes it possible to observe the transmission of a single frame. When
extending credits, the Activity LED for a donor port will reflect the traffic of the
recipient port. Refer to
”Distance” on page 3-4 for more information about
extended credits and donor ports.
2.2.2
Transceivers
The SANbox 5600 Series switch supports SFP optical transceivers for the
1/2/4-Gbps ports and XPAK optical transceivers for the 10-Gbps ports. A
transceiver converts electrical signals to and from optical laser signals to transmit
and receive data. Duplex fiber optic cables plug into the transceivers which then
connect to the devices. A 1/2/4-Gbps port is capable of transmitting at 1-Gbps,
2-Gbps, or 4-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 4-6 for information about
installing and removing SFP and XPAK optical transceivers.
2.2.3
Port Types
SANbox 5600 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 1/2/4-Gbps ports configured as GL_Ports. The 10-Gbps 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 public loop
device, as an F_Port when connected to a single public 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 public
device, or as an E_Port when connected to another switch.
„
An FL_Port supports a loop of up to 126 public devices. An FL_Port can also
configure itself during the fabric login process as an F_Port when connected
to a single public device (N_Port).
„
An F_Port supports a single public device.