A |
Information Field That part of a protocol data unit (PDU) that contains data, as opposed to the address field and command field.
Initiating Station The station from which an instance of communication (a transaction) originates. Also referred to as ªclientº.
Interface Shortened form for ªEthernet Interfaceº. The general term used in this manual to identify the GEnet hardware module, with or without software, that connects a PLC (or CNC) to a network. (See also LAN Interface.)
Internet Any collection of networks and gateways that use the TCP/IP protocols and
function as a single, cooperative virtual network, specifically, the
Internet Address A unique Internet address identifies each node on an IP network (or system of connected networks). The Internet address is assigned to the node by the user. (Also known as an IP address.) (See also Physical Address.)
Internet Control Message Protocol (ICMP) The Internet Protocol that handles error and control messages.
Internet Protocol (IP) The Internet standard protocol that defines the Internet datagram and provides the basis for the Internet packet delivery service. See also Transmission Control Protocol (TCP).
Inter Repeater Link (IRL) A mechanism for interconnecting two and only two repeater units.
IP Address See Internet Address.
Jabber A transmission by a network node beyond the time interval allowed by the protocol.
LAN Interface A term used in this manual to identify the GEnet hardware module, with or without software, that connects a PLC or CNC to a network.
LAN Interface Status Bits (LIS Bits) The LIS bits comprise bits
Linear Topology A network topology in which nodes are each connected at a point along a common continuous cable which has no loops and only two endpoints.
Link Service Access Point (LSAP) A Data Link layer SAP. A single byte that identifies the routing of data received by the network node.
Local Address Administration Address administration in which all LAN individual addresses are unique within the same Local Area Network. (See also, Global Address Administration.)
Local Area Network (LAN) A computer network located on a user's premises within a limited geographical area.
Local Station The station at your immediate location, i.e., ªhereº. (See also ªRemote Stationº).
Log Events Events recorded in the system exception log for the LAN Interface. The maximum number of events in the exception log is 16.
Appendix A Glossary |
