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Digital Data Ports
9/24/01 3-3
• Standard inband and out-of-band CSU network loopbacks
• Internal BER tester with selectable industry standard QRSS test patterns
3.8 Digital Data Ports
3.8.1 V.35 Serial Port
• Synchronous V.35 data from 56 Kbps to 1.536 Mbps in Nx56 Kbps or Nx64 Kbps steps,
all rates.
• Built-in V.54 loopback code generation and detection for BERT
3.8.2 RS-232 Remote Management/Data Port
• Asynchronous point-to-point RS-232 data at 9.6, 19.2, 28.8, 38.4, and 57.6 Kbps
• Synchronous RS-232 data at 56 or 64 Kbps
3.9 Analog Line Interfaces
• FXS Ground Start/Loop Start voice card
• Battery reversal FXS/DPO voice card
• FXO/DPT voice card
• 4-wire E&M/TO voice card
• Patent-pending automatic analog impedance adjustment adapts to various modems and
line lengths
• “Hot-swappable” slide-in channel cards
• 28.8 Kbps V.34 modem compatibility
3.10 FXS Voice Card
• Software-defined functions: E&M Immediate/Wink start to Loop start/ground start con-
version with Ringback Tone for carrier services sucn as Megacom®, Flexpath®, DSS®,
VPN®, VNET®, etc.
• Wink Delay for advanced ANI/DNIS 800 number services and Direct Inward Dial (DID)
conversion
• Private Line Automatic Ringdown (PLAR) with Ringback Tone
• Calling Party (Forward) Disconnect provides two-second current interruption to discon-
nect Answering Devices and Modems. (Only available with E&M Immediate software-