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E1 120 4P VOICEBAND SERVICES CARD (VSC) The Voiceband Services Card (VSC) terminates TDM channels at its 120 ohm E1 ports, and provides features including speech compression, silence removal, and fax demodulation to adapt these TDM channels to transport o

Product code (SKU):  90-6757-02

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E1 120 4P VOICEBAND SERVICES CARD (VSC) The Voiceband Services Card (VSC) terminates TDM channels at its 120 ohm E1 ports, and provides features including speech compression, silence removal, and fax demodulation to adapt these TDM channels to transport over an ATM network. The VSC requires a minimum of one (typical applications require three) and a maximum of three DSP1 transport modules as per 90-4654-02. Fits 7470. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.

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