|
Network Interface - DS3
| Number of Interfaces |
2,1 - Input (BNC),1 - Output (BNC) |
| Bit Rate |
44.736 Mbps |
| DS3 Line Code |
B3ZS |
| DS1 Line Code |
B8ZS AMI (User Selectable) |
| Framing
|
- Meet ANSI T1.404
- M13 or C-bit parity |
| PCM Encoding Law |
A Law as per ITU-T G.711 |
| Signaling |
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). All
signaling options are USER SELECTABLE |
| Pulse Shape |
Meets ANSI T1.102-1993 and Bellcore
GR-499-CORE |
| Connectors |
BNC, Co-axial Un-balanced |
| Impedance |
75 Ohms |
| Signal Level to declare Loss of Signal
condition |
< 20mV |
| Signal Level to clear Loss of Signal condition |
> 90mV |
Power Supply Specifications
| Input DC voltage |
-48V DC ( nominal ) |
| Range of Input Voltage |
-40V to -60V DC |
| Output voltages |
+5V |
| Maximum Full Load Output |
10A at +5V |
| Current Input Voltage Reversal Protection |
Provided in the Card |
| Over Current Protection |
> 10A for +5V |
| Short Circuit Protection |
Current limit - 10A. Recovers on removal
of short |
| Under Voltage
|
< 4.5V |
| Over Voltage |
5.4V |
| Efficiency at full load |
>86% |
| Ripple at full load |
<5mVrms |
| Spike at full load |
<50mV |
Mechanical Specifications
| Rack Mounting |
Standard 19 Inch. DIN Rack |
| Height |
133.33 mm |
| Depth |
292 mm |
| Width |
482 mm |
| Weight |
7.50 Kg. |
Echo Cancellation
| Echo Tail Cancellation |
128ms - Uni-directional echo canceller
Programable off-set. Allows echo canceller deployment at the local end. |
| Tone Disabler |
As per ITU-T G.164, G.165 |
| ERLE (Echo Return |
>35dB (with 6dB ERL) at 10dBm0 input |
| Loss Enhancement)
|
>65dB with NLP enabled |
| ERL (Echo Return Loss) |
Selectable 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) |
| Front Panel Indicators |
- In SYNC / Failure
- Individual Card
- LEDs for power on/off |
| Power Supply Redundancy |
Optional: -48VDC Power Supply (1+1) |
| Environmental-Operational |
0° C to 50° C |
| Humidity
|
5% to 95%, non-condensing |
Management Port Specifications - RS232 COM Port
Serial Port: 9.6Kbps (Async)
ASCII / VT100 / HyperTerminal.
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
|
Power Consumption
Card in use
Input Voltage = -48 Volt |
Current (Amps.) |
Power Consumption (Watts) |
| Echo Canceller + Power Supply |
1.2A |
57.6 |
Others Echo Cancellers Solutions:
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