E1 Interface at 2048 Kbps
|
Number of
Interfaces |
16, E1
Interfaces
8 - Input (RJ-45),
8 - Output (RJ-45) |
|
Line Rate |
T1 - 1.544 Mbps |
|
Line Code |
B8ZS, AMI (User Selectable) |
|
Framing
Format |
D4, ESF (User Selectable)
SF (D3/D4) per ITU-T G.733
ESF per AT&T Cb142 |
|
Facility
Protection |
Metallic
bypass relays for failsafe operation in the event of power
supply failure |
|
PCM
Encoding |
µ Law as per ITU-T G.711 |
|
Signaling
Protocols |
Pass-Through:
Signaling protocols supported:
- 24B (24 Voice Channels)
with out-of-band signaling (C7/SS7 Signaling on any user
selected time-slot).
- 23B+D,PRI ISDN (23
Voice Channels+D signaling Channel).
- D4 Robbed Bit
Signaling,
- CCS (C6,C7),
- RBS (E&M, PLR, FXS-GS, FXO-GS, FXS-LS, FXO-LS )
- All signaling options are User Selectable
|
|
PCM
Sampling Rate |
8000
Samples / sec. |
|
Bit Rate |
1544 Kbps ±
130 ppm |
|
Jitter
Tolerance |
As per ITU-T
G.823 |
|
Output Jitter |
< 0.05 UI (in
the frequency range of 20Hz to 100 Khz) |
|
Nominal Line
Impedance |
100 Ohms
Balanced RJ 45 |
|
Nominal Pulse
Width |
244 ns |
|
Pulse Mask |
As per ITU (CCITT)
Rec. G.703 |
|
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 |
Power
Supply Specifications
|
Input DC
voltage |
- 48V DC
(nominal) |
|
Range of
Input Voltage |
- 40V to
-60V DC |
|
Output
voltages |
+ 3.3V |
|
Maximum
Full Load Output Current |
4A at +3.3V |
|
Input
Voltage Reversal Protection |
Provided in
the Card |
|
Over
Current Protection |
> 4A for
+3.3V |
|
Short
Circuit Protection |
Current
limit - 4A. Recovers on removal of short |
|
Under
Voltage |
< 2.9V |
|
Over
Voltage |
3.7V |
|
Efficiency
at full load |
>86% |
|
Ripple at
full load |
<5mVrms |
|
Spike at
full load |
<50mV |
Echo Cancellation
|
Echo Tail
Cancellation |
Up to
128ms. Bi-directional (near-end and far-end) |
|
Tone
Disabler |
As per ITU-T
G.164, G.165 |
|
ERLE (Echo
Return Loss Enhancement) |
>35 dB
(with 6dB ERL) at - 10 dBm0
>65 dB with NLP enabled |
|
ERL (Echo
Return Loss) |
Selectable
Threshold Levels Options: 0, 3, 6 dB |
|
Transmit /
Receive Levels (Programmable) |
Selectable
Levels Options: -12, -9, -6, -3, ,0 +3, +6, +9 |
|
Comfort
Noise Insertion |
User
Selectable-Enable/Disable |
|
Local
Monitoring and Control |
RS232
serial interface for Management through a PC COM Port |
|
Remote
Monitoring and Control |
Ethernet
(10BaseT) interface for remote LAN Management and Control |
|
Local and
Remote Provisioning |
CLI (text
commands) and GUI |
|
Front Panel
Indicators |
- In SYNC
/ Failure
- LEDs for power on/off |
|
Environmental |
Operational 00 C to 500 C |
|
Humidity |
5%
to 95%, non-condensing |
|
Voice Quality |
- Acoustic Echo Control (AEC)
- Adaptive Noise Reduction (ANR)
- Adapting Listener Enhancement (ALE)
- Automatic Level Control (ALC) G.169
|
Management Port
Specifications 10BaseT LAN Management Port (with Telnet)
|
Network
Interface |
RJ-45
Ethernet 10BaseT or 100 BaseT-TX (auto sensing) |
|
Compatibility |
Ethernet
Version 2.0 IEEE802.3 |
|
Protocols
Supported |
ARP, UDP/IP,
TCP/IP, Telnet, ICMP, SNMP, DHCP, BOOTP, TFTP, Auto IP, SMTP
and HTTP |
|
LEDs |
10Base-T &
100Base-TX Activity, Full/half duplex |
|
Management |
Serial
login, Telnet login, GUI |
|
EMI
Compliance |
- Radiated & conducted emissions - complies with Class B
limits of EN55022:1998
Direct & Indirect ESD -
complies with
EN55024:1998
RF Electromagnetic Field
Immunity -
complies with EN55024:1998
Electrical Fast Transient/Burst
Immunity -
complies with EN55024:1998
Power Frequency Magnetic Field
Immunity -
complies with EN55024:1998
RF Common Mode Conducted Susceptibility -
complies with
EN55024:1998
|
Ordering
Information
|
Sr. # |
Product
Description |
Part # |
| 1 |
VCL
ECTM
8 x VQE & E1 Echo Cancellers Per Chassis |
VCL-EC-E1-8 |
Others Links:
VoIP SS7 and C7 Solution
E1 VOIP-GSM Gateway
GSM Gateways / GSM Channel Banks
Echo Cancellers
Digital Access Cross Connect Switch (DACS)
Groomers (Hi-Z Non-Instrusive Monitoring)
Multiplexers
Technical specifications are subject to change without
notice.
All brand names and trademarks are the property of their respective owners.
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