| |
|
|
| Provides
voice echo cancellation of up to 64ms / 128ms |
| Meets
ITU-T G.164 and G.165 disable tone detection requirements. |
|
Non-Linear Processor with Comfort Noise Insertion |
|
Redundant Power Supply (Optional) |
| T1
Circuit By-pass in the even of Power supply failure. |
| Fully
integrated independent 30-channel voice echo canceller |
|
Supports Signaling: 30B+D PRI ISDN (Euro ISDN) , 31B (31 voice
channels) with out-of-band, R2 CAS, SS7- User Selectable |
T1
Interface at 1544 Kbps
| Number
of Interfaces
|
2,
1 - Input (RJ-45)
1 - Output (RJ-45) |
| Conformity
|
G.703 |
| Frame
Structure
|
As
per ITU (CCITT) G.704 |
| Framing
Options
|
D4,
ESF (Selectable) |
| Signaling
|
24B
(24 voice channels) with out-of-band signaling (C7, SS7 etc.)
or 23B+D, PRI ISDN (23 voice channels + D signaling channel) |
| PCM
Sampling Rate |
8000
Samples / sec |
| Encoding
Law
|
µ
Law as per ITU (CCITT)
G.711 |
| Bit
Rate
|
1544
Kbps ± 130 ppm |
| Code
|
B8ZS,
AMI (Selectable) |
| Nominal
Impedance |
100
W balanced |
Peak
Voltage of a mark
For 100 W
Balanced interface
|
3.0
V ± 0.3 V |
Peak
Voltage of a space
for 100 W
Balanced interface |
0
V ± 0.3 V |
| Nominal
Pulse Width
|
244
ns |
| Pulse
Mask
|
as
per ITU (CCITT) Rec. G.703 |
| Output
Jitter
|
<
0.05 UI (in the frequency range of 20Hz to 100 Khz) |
| Permissible
Attenuation |
6
dB at 1 MHz |
| Return
Loss at:
|
| 51.2
KHz to 102.4 Khz
|
>
12dB |
| 102.4
KHz to 2048KHz |
>
18dB |
| 2048KHz
to 3072 Khz |
>
14dB |
| Jitter
Tolerance
|
As
per ITU (CCITT) G.823 |
| Loss
and recovery of frame alignment : |
As
per clause 3 of ITU (CCITT) G.732 |
| Loss
and recovery of multiframe alignment : |
As
per clause 5.2 of ITU (CCITT) G.732 |
Related Links:
Home
| What's
New | About Us |
Contact Us | Products |
E-mail
Aries
Telecom
E-mail: info@ariestelecom.com
Website: http://www.ariestelecom.com
All
brandnames and trademarks are the property of their respective owners.
|
|
|
Related
Links -
T1 Echo Canceller
Product
Brochure
PowerPoint
Presentation
Related
Products
E1 Echo
Canceller
E1 GSM Gateways
T1 GSM Gateways
Intelligent Channel Banks
E1 Voice & Data Multiplexer
E1 Digital Data Multiplexer
|
