16 Hardware
SC200 Switch Card
Each TVS comes with a preinstalled Switch Card, identified by its 15-pin connector labeled Cable
A. The primary functions of the Switch Card are to support call switching, zone paging, external
music on-hold sources, relay contacts, and the voice channels. It has a connection for an external fan
with a fan fault monitor. In addition it provides for monitoring of the case temperature. The switch
card is also responsible for processing system resets.
SC200 Switch Card
Hardware Specifications
Dimensions: 13.5" x 4"
Weight: 9 oz (258 grams)
Power Requirement: + 5 Vdc and (+12 Vdc from ISA Bus if external fan is connected)
Adapter Specifications: DB15 connector
Architecture: 16-Bit Industry Standard Architecture (ISA)
Standards Compliance: FCC Part 15; UL1459
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