Fxs Signaling Performance - Black Box Compact T1 MT850A User Manual

FXS Signaling Performance

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DC Loop Range: 1000
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Loop Feed: Nominal -48 VDC with 31mA current limit for long loops, -36 VDC
@ 27mA for short loops with automatic battery switching
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Off-Hook Detection: Detects tip or ring currents > 6mA
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Ring Ground: Detects ring ground currents > 8mA
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Ringing Voltage: All-channel simultaneous ringing power, 85 V rms, 20 Hz
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Maximum Ringers: 5 REN, FCC Class B ringers
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Internal Ringing Cadence: Ringing cadence is 2 seconds on, 4 seconds off for
E&M wink start conversion modes
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Control Technique: Solid-state with no mechanical relays
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Overvoltage: UL 1950, FCC Part 68 lightning protection
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Overcurrent: 600 V rms, 60 Amps
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Supports CLASS features such as calling party ID, three-way calling, and
distinctive ringing
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Calling Party Disconnect: Calling party (forward) disconnect provides 2 second
current interruption to disconnect answering devices and modems - requires
E&M signaling service on the T1
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FXS Signaling: FXS loop start or FXS ground start with LS/GS selection per
channel
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FXSDN Signaling: E&M immediate or wink start to either loop start or ground
start conversion with ringback tone for carrier services such as Megacom
Flexpath
number services
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Ringer Equivalency Number (REN): 0.0 by definition
Compact T1 - Release 6.1
standard, 1600
® ® ®
, DSS , VPN , VNET
extended
®
, etc. Wink delay for advanced ANI/DNIS 800
FXS Voice Card
Technical Specifications
®
,
8-5