EMC DS-8B manual Glossary

Glossary

Switch A combination of hardware and firmware that routes frames according to fibre channel protocol. Switches can have G_Ports, E_Ports, F_Ports, and FL_Ports.

Switch Domain_ID Unique identifier for a switch, used in routing frames. Usually automatically assigned by the switch, but can be manually assigned by administrator.

Switch name Arbitrary name assigned to switch by administrator. See also Switch Domain_ID.

SWL Short wavelength fiber-optic cable. Based on 850 nm lasers supporting 1.0625 Gbps link speeds. Connectors are color-coded black. See also LWL.

T

Target Storage device that receives communications from a server or workstation over a fibre channel network. See also Initiator.

Topology As applies to fibre channel, the structure of the fibre channel network and the resulting possible communication paths. There are three fibre channel topologies: point-to-point, fabric, and arbitrated loop.

Translative mode Mode in which public devices can communicate with private devices across fabric. Translates 8-bit to 24-bit addresses.

Transmission A 10-bit character encoded according to the rules of the 8b/10b

Character algorithm. See also 8b/10b encoding, Transmission word.

Transmission Word Group of four transmission characters, totaling 40 bits. Two types: data words and ordered sets. See also Data word, Ordered set, Transmission character.

Trap (SNMP) Message sent by SNMP agent to inform SNMP management station of critical error. See also SNMP.

Tunneling Technique for enabling source and destination hosts to communicate when on same type of network but connected by a different type of network.

g-12

Departmental Switch Models DS-16B and DS-8B Web Tools User Guide