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Data Rates
Selected word structure combinations with optional error-correction and compression
Clock sources
4-channel analogue voice/FAX:
Presentation
Interface
Compression
Relays
Signalling
Echo cancellation
Coding delay
Gain
8-channel analogue voice/FAX:
2-channel analogue voice/FAX:
Secure Voice Relay Card:
MPEG audio card:
Codec
Bitrates
Modes
Coding Delay
Audio Interface
Peak Level
I/P Impedance
O/P Impedance
SNR
V100 Versatile Multiplexer Technical Manual Version 2.2
C H A P T E R
Sync:
50bps to 2Mbps
Async: 50, 75, 300, 600, 1200, 2400, 4800, 9600,
19200, 38400, 57600, 115200bps
TXC: INT, EXT, RXC, DBA by phase-locked loop
RXC: INT, EXT, TXC, DBA by phase-locked loop
8-way RJ45
2-wire FXS for connection to telephone/trunk port with ring voltage/cadence
generation and dial pulse/ring trip detection
2-wire FXO for connection to extension port with ring detection, loop hold
and programmable impedance and termination for international compliance
4-wire Tie-line with E&M type I or V signalling
G.723.1 (5.3/6.3Kbps MP-MLQ),
G.729 Annex A (8Kbps CS-ACELP),
G.726 (16-40Kbps ADPCM),
G.727 (16-40Kbps E-ADPCM),
.711 (64Kbps PCM) µ-law or A-law
Proprietary NetCoder® (6.4,7.2,8.0,8.8,9.6Kbps)
Group 3 FAX relay at 2400-14400bps
V.32bis Modem relay up to 14400bps
STU-IIB/STU-III Secure Voice Relay
MFR1, R1, R2, SS4, SS5, AC15, Call Progress
G.168 adaptive (16/32mS tail)
Per algorithm
±31dB programmable in 1dB steps
Specifications as 4-channel voice/FAX card
Specifications as 4-channel voice/FAX card except no 4-wire Tie-line
interfaces
Relays
STU-IIB, STU-III
Rates
2400, 4800, 9600bps secure or non-secure
No of channels Up to four simultaneously per card
MPEG-1&2 layers 1&2, G722, G711 Sampling
MPEG-1:
32KHz, 44.1KHz, 48KHz
MPEG-2:
16KHz, 22.05KHz, 24KHz
G.722:
16KHz
G.711:
8KHz
MPEG-1:
32Kbps to 448Kbps.
MPEG-2:
8Kbps to 256Kbps.
G.722:
64Kbps
G.711:
64Kbps
Mono, Dual Mono, Joint stereo or Stereo modes
75mS (MPEG), 30mS (G.722)
20-bit dynamic range
+18dBV
>20KOhm (balanced)
<100Ohm (balanced)
>88dB
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