Modem Specifications
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Feature Description
Manufacturer Askey
Model number 1456VQL25(INT)
Features
  • High-speed data mode capabilities:
  • Data Modem with receive rates up to 56 kbps and send rates up to 48kbps(V.92 mode) or up to V.34 rates (V.90 mode)
  • V.92,V.90,K56fleX,V.34,V.32bis,V.32,V.22bis,V.22,V.23,and V.21;Bell 212A and Bell 103 modulation modes.
  • Quick connect;Modem-on-hold;V.250 and V.251 commands
  • Data compression and error correction
  • V.44 data compression for optional downloading of Internet Web pages and files
  • V.42 bis and MNP5 data compression
  • V.42 LAPM and MNP 2-4 error correction
Compatibility
  • V.90 - 5,600, 54,667, 53,333, 52,000, 50,667, 49,333, 48,000, 46,667, 45,333, 42,667, 41,333, 40,000, 38,667, 33,333, 32,000, 30,667, 29,333, and 28,000 bps
  • ITU-T V.34 annex - 33,600 and 31,200 bps
  • ITU-T V.34 - 28,800, 36,400, 24,000, 21,600, 19,200, and 16,800 bps
  • ITU-T V.32 bis - 14,400, 12,000, 9,600, 7,200, and 4,800 bps
  • ITU-T V.32 - 9,600 and 4,800 bps
  • ITU-T V.22 bis - 2,400 and 1,200 bps
  • ITU-T V.22 - 1,200 bps
  • ITU-T V.17 - 14,400, 12,000, 9,600, and 7,200 bps
  • ITU-T V.29 - 9,600, 7,200, and 4,800 bps
  • ITU-T V.27ter - 4,800 and 2,400 bps
  • Bell 212A - 1,200 bps
Modulation
  • 5,600 bps - PCM
  • 33,600, 31,200 bps (V.34annex) - TCM
  • 28,800, 26,400, 24,000, 21,600, 19,200, 16,800 bps - TCM
  • 14,400, 12,000, 9,600, 7,200 bps (V.32bis) - TCM
  • 4,800 bps (V.32bis) - QAM
  • 9,600, 4,800 bps (V.32) - TCM, QAM
  • 2,400 bps (V.22bis) - QAM
  • 1,200 bps (V.22bis) - DPSK
  • 14,400, 12,000, 9,600, 7,200 bps (V.17) - TCM
  • 9,600, 7,200, 4,800 bps (V.29) - QAM
  • 4,800, 2,400 bps (V.27ter) - DPSK
  • 1,200 bps (V.22/Bell 212A) - DPSK
Operation Modem operation, including dialing, call progress, telephone line interface, and host interface functions are supported and controlled through the V.250, V.251, and V.253-compatible command set.
Fax mode Fax modem with send and receive rates up to 14.4 kbps
V.17,V.29,V.27 ter, and V.21 channel 2 modulation modes. EIA/TIA 578 Class 1 and T.31 Class 1.0 commands.