RAD 2901000000 overview
RAD 2901000000 VSC Series Voice and Signaling ConverterVSC is a voice and signaling converter, enabling connection of voice equipment to data communications equ...
Product details
Manufactured byRAD
Product groupVoice and Signaling Converters
DescriptionRAD 2901000000 VSC Series Voice and Signaling ConverterVSC is a voice and signaling converter, enabling connection of voice equipment to data communications equipment. VSC converts the 2-wire/4-wire interface of the data equipment to the FXS interface of a telephone set, enabling direct connection of a telephone set to the voice interface of a time division multiplexer.VSC is available as either a standalone unit (VSC) or as a rack-mount card (VSC/R).VSC provides FXS loop start or ground start. The VSC/R provides FXS loop start only.VSC and VSC/R recognize the telephone pulses for on-hook, off-hook and dialing, translate the pulses into the proper signaling standard, and send the resulting signal over the "M" lead. When detecting activity on the "E" lead, VSC sends the ringing signal to the telephone and the ring back tone to the other side.The voice interface on the E&M side is switch-selectable for either 2-wire or 4-wire operation. The voice level to and from the telephone can be adjusted by means of a gain control in the range of +9 dB to -9 dB. (Gain control is not supported in the VSC/R.)The ring signal towards the telephone is modulated for approximately one second on, three seconds off, to simulate PABX operation.VSC has internal protection on the E&M lead to avoid damage in the event of improper operation.The VSC/R cards fit into the VSC-MN 19" card cage. The card cage includes a power supply and can carry up to 12 VSC/R cards in the AC option, or up to 14 cards in the DC option. The VSC/R cards can be mixed with the VSC-X/R (FXO) cards.
Key FeaturesConverts standard telephone set interface (FXS) to E&M interface Loop start / ground start telephone types 4-wire or 2-wire E&M interface Compatible with EIA RS-464 Types I, II and III, British Telecom SSDC5 Selectable gain control Suitable for dial and touch-tone (DTMF) telephones Stand-alone unit (VSC) or rack-mount card (VSC/R)
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RAD
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Voice and Signaling Converters
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Green Eagle Logistics
2901000000
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