ClearOne comm AP400 Introduction ~ G-Link Networking Bus, Link EC Reference bus, Control bus, Nom

Models: AP400

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Introduction ~ G-Link Networking

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X-bus

This mix-minus bus is defined as the master microphone mix, and it supports NOM (see page 26). All gated microphones are default routed to this bus.

Y-bus

This mix-minus bus is defined as the line input master mix. All line-level audio inputs such as video codecs, AP800s, AP10 Telephone Interfaces, VCRs, etc., are default routed to this bus. Y-bus does not support NOM.

Z-bus

This mix-minus bus is a user-defined auxiliary mix bus. Z-bus does not support

NOM.

G-Link EC Reference bus

This bus provides a system-wide echo canceller reference signal. It allows the reference signal to be passed to additional G-Linked mic channels and their associated echo cancellers. Typically, one output on one unit will be passed along the G-Link EC Reference bus.

Control bus

The control bus is an independent channel from the G-Link’s audio channel; it uses a different pair of wires on the same cable. This allows control information to pass even if the units are not using the audio link. The AP400 supports the full set of commands through the control bus.

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ClearOne comm AP400 operation manual Introduction ~ G-Link Networking Bus, Link EC Reference bus, Control bus, Nom