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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 |
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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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Related Links
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Web Site: http://www.valiantcom.com
Technical Specifications are subject to change without notice.
All respective trademarks are the ownership of their respective owners.
© Valiant Communications Limited, 1999-2005. All rights reserved. |
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