Technical Specifications: Thin Route Voice Compression Equipment with echo cancellers

Technical Specifications: Analog Thin Route Digital Circuit Multiplication equipment (DCME) voice compression equipment

Digital Network Interface  Applications
Application Diagrams  Analog Interface 
Power Supply
  Ordering Information

Valiant's VCL-TRLD™ is a "Thin Route" Voice Compression Equipment provides "Toll-Quality" voice telephony channels for "thin route" (low density) applications. Applications include scalable call centers, telcos, voice over point-to-point satellite data links, dedicated data channels, rural, oil & mining IP networks and more.

VCL-TRLD - "Thin Route" Voice Compression Equipment

The equipment uses advanced DSP based Viterbi decoders with automatic Voice / Silence detection (VAD) and adaptive comfort noise (CNG) generation to provide toll-quality voice channels.

 
Applications
General Business Infrastructure Tourism
Rural Long distance telephony Civil Engineering Hotels
Distance learning Telcos Offshore Oil Rigs Island Resorts
Disaster Relief Wireless networks Production Safari Parks
Farming Scalable Call Centers Pipelines Remote locations
Forestry Retail Outlets Water Works Expeditions
 
Digital Network Interface
 

RS232, asynchronous 9.6Kbps

64Kbps, synchronous
data interface

Type of interface

RS232, asynchronous 9.6Kbps

G.703, co-directional data interface @ 64Kbps
Or,
V.35, synchronous data interface
Total Number of Voice Channels supported per interface One Six
 
Analog Interface
Transmission Performance MOS 3.8
Exceeds G.726 @ 32Kbps, G.729 @ 8Kbps and GSM @ 13Kbps
Please see Graph*
MOS 3.8
Exceeds G.726 @ 32Kbps, G.729 @ 8Kbps and GSM @ 13Kbps
Please see Graph*
Type of Interface available FXO
FXS
E&M – 2/4 Wire
FXO
FXS
E&M – 2/4 Wire
Line Impedance 600 Ohms
900 Ohms – Optional on request
600 Ohms
900 Ohms – Optional on request
Voice Channel Frequency 300Hz-3400 Hz 300Hz-3400 Hz
Insertion Loss Selectable: -3dB, -5dB, -7dB, -9dB, -11db Selectable: -3dB, -5dB, -7dB, -9dB, -11db
Idle Channel Noise £ 65dB £ 65dB
Return Loss 300Hz-600Hz: ³ -12dB
600Hz-3400Hz
: ³ -15dB
300Hz-600Hz: ³ -12dB
600Hz-3400Hz:
³ -15dB
Overload Level +3.14dBm ± 0.5 dB +3.14dBm ± 0.5 dB
Ring Frequency Detection (FXO) 20Hz and 25Hz 20Hz and 25Hz
Ring Voltage Detection (FXO) ³ 30VRMS ³ 30VRMS
Ring Frequency (FXS) 17Hz, 20Hz, 25Hz, 50Hz
(switch selectable)
17Hz, 20Hz, 25Hz, 50Hz
(switch selectable)
Maximum Ringer Output Rating (FXS) 3 REN. 4 REN.
 
Power Supply
Input -48VDC (nominal)
-40VDC to –60VDC acceptable
AC Input – Optional Extra
-48VDC (nominal)
-40VDC to –60VDC acceptable
AC Input – Optional Extra
 
Environmental
Cooling Natural, convection cooling Natural, convection cooling
Temperature 0°C to 50°C, ambient 0°C to 50°C, ambient
 
Mechanical Specifications
Rack Mounting: Standard 19 inch Rack
Height: 3U (133.33mm)
Depth 260mm
Width 477mm
 
Ordering Information
The VCL-TRLD™ offers:
Thin Route DCME provides Six, Toll Quality voice channels on a single, 64Kbps, synchronous channel (single time-slot).
 
Ordering Information
Valiant Part # Description
VCL-TRLD-1-FXO Single Channel Voice Compression Card
With RS232 Network Interface.
FXO Analog Interface with integrated power-supply
VCL-TRLD-1-FXS Single Channel Voice Compression Card
With RS232 Network Interface.
FXS Analog Interface with integrated power-supply and ring generator
VCL-TRLD-1-E&M Single Channel Voice Compression Card
With RS232 Network Interface.
E&M Analog Interface with integrated power-supply
VCL-TRLD-6-FXO Six Channel Voice Compression System
With G.703, 64Kbps synchronous co-directional Network Interface.
6, FXO Analog Interfaces with common power-supply
VCL-TRLD-6-FXS Six Channel Voice Compression System
With G.703, 64Kbps synchronous co-directional Network Interface.
6, FXO Analog Interfaces with common power-supply and ring generator
VCL-TRLD-6-E&M Six Channel Voice Compression System
With G.703, 64Kbps synchronous co-directional Network Interface.
6, E&M Analog Interfaces with common power-supply
VCL-TRLD-12-FXO Twelve Channel Voice Compression System
With G.703, 64Kbps synchronous co-directional Network Interface.
12, FXO Analog Interfaces with common power-supply
VCL-TRLD-12-FXS Twelve Channel Voice Compression System
With G.703, 64Kbps synchronous co-directional Network Interface.
12, FXO Analog Interfaces with common power-supply and ring generator
VCL-TRLD-12-E&M 12 Channel Voice Compression System
With G.703, 64Kbps synchronous co-directional Network Interface.
12, E&M Analog Interfaces with common power-supply

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