NETGEAR GC108P Hardware Installation Manual page 22

Insight Managed 8-Port Gigabit (Hi-Power) PoE+ Smart Cloud Switch with NETGEAR FlexPoE Power
(Continued)
Line Color Connection
Purple 1G connection to an Internet router or gateway.
Blue 1G PoE connections to devices such as VoIP phones.
Black 1G connections to devices such as a network server, workstations, and computers.
Applications 22 Hardware Installation Guide