Broadband GPON devices

GPON is an alternative to Ethernet switching in campus networking. GPON replaces the traditional three-tier Ethernet design with a two-tier optic network which eliminates access and distribution Etherne. [pdf]

Manual switch on the side of the secondary distribution box

A manual transfer switch is installed next to the main service panel to override the normal electrical service with power from a backup generator during a power outage. Manual transfer switchesrequire an oper. [pdf]