Attached device.
For example, computer
Network access
switch
Ethernet line
interface (PHY 1)
Computer port
(PC port)
(PHY2)
ingress
egress
ingress
egress
LAN port
PC port
Internal Ethernet switch
CPU port
egress
ingress
Phone's CPU
Phone
Virtual LAN (VLAN) overview
September 2017
Installing and Administering Avaya J129 IP Phone
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