Planet WGS-5225-8P2SV User Manual page 456

Industrial l2+ 8-port 10/100/1000t 802.3at poe+2-port 1g/2.5g sfp wall-mount managed switch
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NFS
NFS is an acronym for Network File System. It allows hosts to mount partitions on a remote system and use them as
though they are local file systems.
NFS allows the system administrator to store resources in a central location on the network, providing authorized
users continuous access to them, which means NFS supports sharing of files, printers, and other resources as
persistent storage over a computer network.
NTP
NTP is an acronym for Network Time Protocol, a network protocol for synchronizing the clocks of computer systems.
NTP uses UDP (datagrams) as transport layer.
O
OAM
OAM is an acronym for Operation Administration and Maintenance.
It is a protocol described in ITU-T Y.1731 used to implement carrier ethernet functionality. MEP functionality like CC
and RDI is based on this.
Optional TLVs.
A LLDP frame contains multiple TLVs
For some TLVs it is configurable if the switch shall include the TLV in the LLDP frame. These TLVs are known as
optional TLVs. If an optional TLVs is disabled the corresponding information is not included in the LLDP frame.
OUI
OUI is the organizationally unique identifier. An OUI address is a globally unique identifier assigned to a vendor by
IEEE. You can determine which vendor a device belongs to according to the OUI address which forms the first 24 bits
of a MAC address.
P
PCP
PCP is an acronym for Priority Code Point. It is a 3-bit field storing the priority level for the 802.1Q frame. It is also
known as User Priority.
PD
PD is an acronym for Powered Device. In a PoE> system the power is delivered from a PSE ( power sourcing
equipment ) to a remote device. The remote device is called a PD.
PHY
PHY is an abbreviation for Physical Interface Transceiver and is the device that implement the Ethernet physical layer
(IEEE-802.3).
User's Manual of WGS-5225-8P2S Series
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