Yokogawa YFGW410 - Manual (Page 202)

G3-2
IM 01W02D01-01EN
Terms Definition
Rapid Spanning Tree Protocol
(RSTP)
This is a network protocol that provided in IEEE802.1w. This prevents
an infinite loop of packets flowing on the network.
Received Signal Strength Indicator
(RSSI)
The values present the strength of the signal received by the field
wireless device in dBm. The high value indicates high quality signal,
that can be received stably.
Security Manager
This is the management function of the encryption key that provided
in ISA100.11a. To manage multiple encryption keys, used by the field
wireless devices.
Service Set Identifier
(SSID)
This is the identification code of the wireless LAN. Identify the wire-
less network using this ID to communicate with the wireless LAN
access point.
System Manager
This is the management function of the field wireless network that
provided in ISA100.11a. To manage the wireless communication of
the field wireless devices.
Topology
This is a form of network connection. There is two types of topology,
star topology and mesh topology.
Wireless LAN
(WLAN)
This is the wireless standard that provided in IEEE802.11. This net-
work uses 5GHz and 2.4GHz frequency band.