Glossary Current: T T Tally lamp — Traditionally, a small physical lamp (or a pair of red and green lamps) mounted underneath a monitor or on a camera which indicates whether the source routed to the monitor or the camera is “on air” Teaming Tier Architecture — Tier Architecture ( Networking ): => Hierarchical Layered Model 1-Tier: one physical layer e.g. Fixed and/or modular chassis switches 2-Tier: Combined Core / Distribution Layer and Access Layer e.g. Spine / Leaf 3-Tier: Core Layer, Distribition Layer, Access Layer e.g. Spine / Leaf / Access switches Tilt — Tilt https://wikipedia.org/wiki/Tilt_(camera)ing refers to moving a camera up and down in the vertical dimension. Trunking ×