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Clear-Com Intercom Systems
KB-211/KB-211GM Two-Channel Speaker Stations
© Clear-Com Intercom Systems 1999
15
Rev. A
•
The call signal does not function.
Scenario 1
Excessive DC loading of intercom line.
Solution: Remove any audio transformers or other equipment that may be
connected across the intercom line. If equipment other than Clear-Com
intercom equipment must be connected to the intercom line, please contact
Clear-Com application or service personnel for information or
recommendations.
Scenario 2
Far too many terminations on the intercom line.
Solution: Check all main stations and power supplies to make sure each
intercom channel is terminated at only one point.
Scenario 3
Plug P1 is missing on circuit board.
Solution: Plug P1 must be installed in the J1 jack if the EB-4W or EB-TW
options are not used.
Содержание KB-211
Страница 1: ...KB 211 KB 211GM TWO CHANNEL SPEAKER STATIONS USER MANUAL...
Страница 2: ......
Страница 23: ...Clear Com Intercom Systems 1999 21 Rev A FIGURE 9 KB 211 Schematic...
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Страница 32: ...4065 Hollis Street Emeryville CA 94608 510 496 6666 Fax 510 496 6601 Manual Part Number 810253 Rev A...