C H A P T E R 1 0 A P P E N D I X E : S P E C I F I C A T I O N S
V100 Versatile Multiplexer Technical Manual Version 2.2
Page 228 of 231
Data Rates
Sync: 50bps to 2Mbps
Async: 50, 75, 300, 600, 1200, 2400, 4800, 9600,
19200,
38400,
57600,
115200bps
Selected word structure combinations with optional error-correction and compression
Clock sources TXC: INT, EXT, RXC, DBA by phase-locked loop
RXC: INT, EXT, TXC, DBA by phase-locked loop
4-channel analogue voice/FAX:
Presentation
8-way
RJ45
Interface
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
Compression
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)
Relays
Group 3 FAX relay at 2400-14400bps
V.32bis Modem relay up to 14400bps
STU-IIB/STU-III
Secure
Voice
Relay
Signalling
MFR1, R1, R2, SS4, SS5, AC15, Call Progress
Echo cancellation
G.168 adaptive (16/32mS tail)
Coding delay
Per algorithm
Gain
±31dB programmable in 1dB steps
8-channel analogue voice/FAX:
Specifications
as
4-channel
voice/FAX
card
2-channel analogue voice/FAX:
Specifications as 4-channel voice/FAX card except no 4-wire Tie-line
interfaces
Secure Voice Relay Card:
Relays
STU-IIB,
STU-III
Rates
2400, 4800, 9600bps secure or non-secure
No of channels Up to four simultaneously per card
MPEG audio card:
Codec
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
Bitrates
MPEG-1: 32Kbps
to
448Kbps.
MPEG-2:
8Kbps
to
256Kbps.
G.722:
64Kbps
G.711:
64Kbps
Modes
Mono, Dual Mono, Joint stereo or Stereo modes
Coding Delay
75mS (MPEG), 30mS (G.722)
Audio Interface
20-bit dynamic range
Peak Level
+18dBV
I/P Impedance
>20KOhm (balanced)
O/P Impedance
<100Ohm (balanced)
SNR
>88dB