HP 316095-B21 - StorageWorks Edge Switch 2/24 User Manual page 167

Glossary
token
A sequence of bits passed from one device to another on a token ring network that signifies
permission to transmit over the network. The token consists of a starting delimiter, access
control field, and end delimiter. If a device has data to transmit, it appends the data to the token
(D).
token ring
A local area network (LAN) configuration where devices attach to a network cable in a closed
path or ring. A token (unique sequence of bits) circulates on the ring to allow devices to access
the LAN for data transmission (D). See also ring topology.
token ring controller adapter card
TKRG. The circuit card that provides a port to connect a Director or Switch to a 4/16 Mbps
token ring local area network (LAN) (D).
topology
Logical and/or physical arrangement of stations on a network.
transceiver modules
Transceiver modules come in longwave, extra longwave, or shortwave laser versions,
providing a single fiber connection.
transfer rate
The speed with which data can be transmitted from one device to another. Data rates are often
measures in megabits (Mbps) or megabytes (MBps) per second, or gigabits (Gbps) or
gigabytes per second (GBps).
transmission control protocol
TCP. The transport layer for the transmission control protocol/Internet protocol (TCP/IP)
protocol widely used on Ethernet networks and any network that conforms to U.S. Department
of Defense standards for network protocol. TCP provides reliable communication and control
through full-duplex connections (D).
transmission control protocol/Internet protocol
TCP/IP. A layered set of protocols (network and transport) that allows sharing of applications
among devices on a high-speed local area network (LAN) communication environment (D).
See also transmission control protocol; Internet protocol.
trap
Unsolicited notification of an event originating from a simple network management protocol
(SNMP) managed device and directed to an SNMP network management station.
trap host
Simple network management protocol (SNMP) management workstation that is configured to
receive traps.
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