Siemens OSM Bedienungsanleitung Seite 149

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Glossary
Glossary-2
Industrial Ethernet OSM/ESM Network Management
C79000-G8976-C137-08
Boot software
The boot software is software integrated on the OSM/ESM that is required to
download the OSM/ESM firmware. The boot software cannot be reloaded.
Boot version
Version of the boot software.
Broadcast address
Packets with a broadcast address can be read by all nodes in the LAN
(destination address FF:FF:FF:FF:FF:FF).
CLI
Command line interface (see Command interpreter).
Collision
A collision occurs when two DTEs attempt to send at the same time. The
collision is handled according to the procedures defined in IEEE 802.3.
Command interpreter
The command interpreter (CLI) of the OSM/ESM interprets the terminal entries
and executes the corresponding commands.
CRC
Cyclic Redundancy Check - This is used in data transfer protocols to be able to
detect transmission errors (CRC errors) in received packets.
Default
Factory default settings on the OSM/ESM.
Default gateway
The default gateway passes on all packets that are not addressed to stations in
the same LAN (subnet).
DNS server
Every computer attached to the Internet has its own unique IP address. So that
LAN/Internet users do not need to learn the numbers to be able to access a
particular computer in the network, many IP addresses are assigned
alphanumeric names that are managed by DNS servers.
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