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QFXO Voice Card
  • QFXO Voice Card

QFXO Voice Card for AM3440-D/E / V4200-9

The QFXO plug-in card allows voice frequency interfaces to be multiplexed as a 64 Kbps DS0 signal onto a digital network

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Description

Loop Telecom’s QFXO plug-in card is designed for the Loop-AM3440-D and Loop-V4200 9-port and 28-port. It allows voice frequency interfaces to be multiplexed as a 64 Kbps DS0 signal onto a digital network. The QFXO provides connections from four telephone lines, either from a central office or from a PBX.
Coding is either A-law or mu-law selectable by a user. Most popular signaling conventions are supported, including PLAR. 

Features
  • 4 central office or PBX line connections for QFXO
  • Loop start or ground start
  • 12KHz or 16KHz metering pulse (pulse mode resistor selectable)
  • ANSI or ETSI resistor selectable
  • A, B, C, and D Bit resistor programmable
  • A-law or mu-law coding
  • Most signaling conventions supported
  • Multi-color LED indicators for each card
  • Battery reverse supported
  • DID supported
  • Intended for use with 110 to 220 Vac or -48 Vdc powered main units