switch port

A port on a switch. Switch ports can be E_Ports, F_Ports, or

 

FL_Ports.

SWL

Short wavelength. A type of fiber optic cabling that is based

 

on 850 mm lasers and supports link speeds up to 2 Gb/s.

 

May also refer to the type of transceiver.

tenancy

The time span that begins when a port wins arbitration in a

 

loop and ends when the same port returns to the monitoring

 

state. Also called loop tenancy.

throughput

The rate of data flow achieved within a cable, link, or system.

 

Usually measured in bits per second (b/s).

topology

With respect to FC, the configuration of the FC network and

 

the resulting communication paths allowed. There are three

 

possible topologies:

 

Point-to-point: A direct link between two communication

 

ports

 

Switched fabric: Multiple N_Ports linked to a switch by

 

F_Ports

 

Arbitrated loop: Multiple NL_Ports connected in a loop

transmission char- A 10-bit character encoded according to the rules of the

acter

8b/10b algorithm.

transmission word

A group of transmission characters.

trap (SNMP)

The message sent by an SNMP agent to inform the SNMP

 

management station of a critical error. See also SNMP.

U_Port

Universal port. A switch port that can operate as a G_Port,

 

E_Port, F_Port, or FL_Port. A port is defined as a U_Port when it

 

is not connected or has not yet assumed a specific function in

 

the fabric. See also E_port, F_port, G_Port.

well-known ad-

With respect to FC, a logical address defined by the FC

dress

standards as assigned to a specific function and stored on the

 

switch.

workstation

A computer used to access and manage the fabric. May also

 

be called a management station or host.

WWN

World wide name. An identifier that is unique worldwide.

 

Each entity in a fabric has a distinct WWN.

zone

A set of devices and hosts attached to the same fabric and

 

configured as being in the same zone. Devices and hosts

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