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Digital
Interface 2.048 Mbps, E1 Interface
| Number
of E1 Interfaces |
1 |
| Conformity
(Electrical) |
G.
703 |
| Frame
Structure |
As
per ITU (CCITT) G.704 |
| Signaling
|
Channel
Associated Signaling , (R2 Gen) R2 Generic in accordance with
ITU-I Q.421 / Q.422 Rec. |
| PCM
Sampling Rate |
8000
samples/sec |
| Encoding
Law |
A
Law as per ITU (CCITT) G.823 |
| Bit
Rate |
2048
Kbps ± 50 ppm |
| Code
|
HDB3 |
| Nominal
impedance |
120 W balanced (75 W
unbalanced - option on request) |
| Connector
|
RJ-45
(120 ohms impendence) |
Peak Voltage
of a mark
For 120 W
Balanced interface
75 W
Unbalanced interface |
3.0
V ± 0.3 V
2.37 V ± 0.237 (Optional) |
Peak
Voltage of a space
For 120 W
Balanced interface
75 W Unbalanced
interface |
0V±
0.3V
0V± 0.237 V |
| Nominal
Pulse Width |
244ns |
| 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 |
6dB
at 1 MHz |
Return
Loss at:
51.2 Khz to 102.4 KHz
102.4 Khz to 2048 Khz
2048KHz to 3072KHz
|
>12dB
>18dB
>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 multi frame alignment: As per clause 5.2 of
ITU (CCITT) G.732 |
2
Wire , Analog PSTN Interface - POTS Interface
| Maximum Number
of Channels |
30 |
| Transmission
performance |
Fully compliant
to ITU (CCITT) G.712 specifications |
| Line Impedance |
600W (900W
optional) |
| Connector |
RJ-11 |
| Voice Channel
Frequency |
300Hz-3400Hz |
| Insertion Loss
|
-2dB Nominal
(User adjustable range of -2dB to -7dB) |
| Idle Channel
Noise |
£-65dB |
| Return Loss
|
300 Hz - 600Hz
-³12dB
600Hz - 3400Hz - ³15
dB |
| Longitudinal
Balance |
³
46dB between 300Hz to 3400Hz |
| Ring frequency
detection |
25Hz and 20
Hz |
| Ring voltage
detection |
³30
volts RMS |
| Overload Level
|
+3.14 dBm ±
0.5 dBm |
| Data Transmission |
Supports V.34 modems
33.6Kbps (download data transmission rate) |
Clock
Synchronization
| Synchronization
Sources |
Internal Clock or
timing derived
From the E1 HDB3 link (Loop-Timed) |
| External Clock
Input |
As per ITU (CCITT)
Rec G.703 |
| Default Option |
Internal Clock |
Power
Supply
| Input DC voltage
|
-48V DC (nominal) |
| Range of Input
|
-40V to -60V
DC |
| Input
Voltage Reversal Protection |
Provided |
Environmental
| Cooling
|
Natural, Convection
cooling |
| Temperature
|
0°C to 50°C,
Ambient |
Mechanical
Specification
| Rack Mounting
|
Standard 19
inch DIN rack |
| Height
|
3U (133.33 mm) |
| Depth
|
292
mm |
| Width |
482
mm |
| Weight |
7.50 Kgs. |
Related Links:
Home
| What's
New | About Us |
Contact Us | Products |
E-mail
Aries
Telecom
10842, N 127th Place
Scottsdale, AZ 85259, U.S.A.
Phone: 1-480-816-8672 Fax: 1-480-451-6693
E-mail: info@ariestelecom.com
Website: http://www.ariestelecom.com
All
brandnames and trademarks are the property of their respective owners.
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Related
Links -
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Product
Brochure
Ordering Information
PowerPoint
Presentation
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Products
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GSM Gateways
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