Radio Systems Millenium-A Analog Console, Инструкция по установке и эксплуатации

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Radio Systems Millenium-A Console Page 41
5.2 Intercom Card Overview
The Intercom is an optional accessory for the Millenium broadcast consoles. The card provides 2-way amplification for
connection of the console to any combination of four speakers or Radio Systems’ consoles. One or two cards may be
installed in a console to service four or eight stations.
5.2.1 Operation
1. With a table top speaker (Radio Systems Part #7696)
To page and speak from the speaker to the console, push and hold the button on the speaker.
To respond to or call the speaker from the console, select the speaker location on the console 4/8 position
selector and push and hold the talkback button.
Release the talkback button to allow the speaker location to respond hands free.
Deselect the speaker location on the 4/8 position selector to hush the listen path.
2. Between two consoles
Select the console you wish to communicate with on the 4/8 position selector.
Push and hold the talkback button to page and speak to the selected console.
To respond, the selected console must select the paging console on the 4/8 position selector, (if it is also
equipped with a intercom card) and push and hold the talkback button.
Push-to-talk conversation may continue between the consoles. Console operators should deselect the console
on the 4/8 position selector when the conversation is complete.
5.2.2 Installation and Wiring
Use the plastic stand offs provided to mount the intercom card and the logic selector card (required and utilized only in
Millenium consoles) next to each other on the inside back wall of the console behind the output board.
5.2.2.1 Control Wiring
Connect provided cables from intercom card to output board (control cable from intercom card J1 to console connector
J1.
The eight position switcher must be programmed for interlocked operation. See Illustration E-2 for programming the
Selector Logic Card.
5.2.2.2 Intercom card audio wiring
Connect the audio cable from intercom card J2 to console connectors J36 and J37.
Connect the 4-conductor audio cable between intercom card connector J2 and output board Talk-Back audio connectors
J36 & J37. (For RS Series consoles only – connect J4 to the 4-position front panel mechanical switch.)
5.2.2.3 Console internal wiring
Connect operator’s mic loop thru point (or other line level source) to output board talkback input (J37, pins 1&2).
5.2.2.4 Table-top speaker wiring
Utilize up to 300’ of 2-conductor shielded cable. At the intercom card, connect the shield to GRND, the tip from the
phone plug (switch output) to call, and the ring to the other side of the call switch.
5.2.2.5 Console interconnection
Interconnect the SPKR, GRND and AUX in pins from the appropriate intercom card outputs on the two consoles, or to
talk-back Audio Connectors J36 & J37 on consoles with no intercom board.