VoIP SS7 and C7 Solution
GSM Gateways / GSM Channel Banks
E1 VOIP-GSM Gateway
Echo Cancellers
Digital Access Cross Connect Switch (DACS)
Groomers (Hi-Z Non-Instrusive Monitoring)
Multiplexers
Ethernet to E3 Converter
(Ethernet over E3 Converter)

 

          -  R E L A T E D   L I N K S  -

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Description

Comarra offers its Ethernet to E3 converters (Ethernet over E3 Converters) packaged in a 19-inch rack-mountable chassis.

Comarra Ethernet to E3 converters (Ethernet over E3 Converters) provides a 100BaseT data interface on the user side which may be used to transport Ethernet traffic over a E3 link. The converter provides a simple and cost effective method to convert and transport 100BaseT Ethernet data over a E3 link.

Features & Highlights

  • G.703 E3 34 Mbps to Ethernet interface converter.
  • 100BaseT full duplex fast Ethernet in accordance with IEEE802.34, RJ-45.
  • Provides framed and un-framed E3 option
  • Stratum 3 Clock
  • Local &Remote ac
  • cess and monitoring with either RS232 or 10/100BaseT for remote management over TCP-IP network
  • Power Supply: -48 VDC or AC power supply options available.

Applications

  • 100 BaseT Ethernet to E3 Conversion (100BaseT over a E3 interface).

Indications and Alarm Monitoring

  • E3 Loss of Signal
  • Loss of incoming signal at 100 BaseT Ethernet
  • Configuration Error Alarm
  • Clock Status
  • +3 Volts Power Supply
  • -48VDC present
  • Configuration Error

Programmable Features

  • Telnet interface for remote programming by using CLI text commands.
  • Easy to use programming using Windows based GUI.

Status Monitoring

  • Status of alarms on E3 interface
  • Status of alarms on 100BaseT interface.

Ethernet Interface

Interface Types 100BaseT
Standards Compliance IEEE 802.3-2002
RFC1662
RFC2615
X.86
RMII
Interface Rate 100BaseT limited to E3 transmission rate
Protocol User Programmable HDLC And LAPS mapping

E3 Interface

Bit Rate 34.368 Mbps
Bit Rate Tolerance +/- 20ppm
Line Code HDB3
Frame Structure as per G.751
Interfaces as per G.703
Connectors BNC, Co-axial
Un-balanced
Impedance  75 Ohms

Application Diagrams:

 


Technical Specifications

DC Adapter Power Supply Specifications (DC Option)
Power Supply -48VDC (-40VDC to -60VDC)
Input DC voltage -48V DC ( nominal)
Range of input -40V to -60V DC
Output voltages +3.3V
Full Load Output Current 2A at +3.3V
Input Voltage Reversal Protection Provided in the Card
Over Current Protection  2A for +3.3V
Short Circuit Protection Current limit - 3A. Recovers on removal of short
Under Voltage < 3.17V
Over Voltage 3.5V
Efficiency at full load >90%
Ripple at full load <5mVrms
Spike at full load <50mV
 
AC Adapter Power Supply Specifications (AC Option)
Input AC voltage 100 - 240 Volt AC
Range of Input Voltage 100 V To 240 V AC
Output voltages  7.5 VDC to 9.0 V DC DC input polarity protection.
Maximum Full Load Output Current 2.5 A at 7.5 VDC / 9.0 V DC
Input Voltage Reversal Protection Provided in the Card
Efficiency at full load  >86%

Chassis

1U High (42 mm)
19-inch rack-mounting shelf.

Power Supply

Power Supply: -48VDC (-40VDC to -60VDC) (Optional)*
Power Supply:  AC Input (Optional)*
* Please specify the Power Supply Option (AC or DC) which is required before placing the order.
Please see ordering information in this data sheet for details.

Power Consumption

Power Consumption: 12 Watts

 
100BaseT Interface

Number of Interfaces One
Interface Types 100BaseT
Standards Compliance IEEE 802.3-2002
RFC1662
RFC2615
X.86
RMII
Interface Rate 100BaseT limited to E3 transmission rate
Protocol User Programmable HDLC And LAPS mapping
Connectors RJ45 (100 BaseT Electrical)

E3 Interface

Number of E3 Interfaces 1
Bit Rate 34.368 Mbps
Bit Rate Tolerance +/- 20ppm
Line Code HDB3
Frame Structure as per G.751
Interfaces as per G.703
Connectors BNC, Co-axial Un-balanced
Impedance 75 Ohms
Permissible Attenuation 12dB @ 17184 KHz
Signal Level to declare Loss of Signal condition -35dB (maximum)
Signal Level to clear Loss of Signal condition -15dB (minimum)

Clock

Clock
        Internal
AT&T TR62411, Telcordia GR-1244-CORE, Stratum 3, Stratum 4, Enhanced and Stratum 4, ETSI ETS 300 011, ITU-T G.813 Option 1
Loop-Timed Timed from E3 Interface.
External 75 Ohms - 1.544 Mhz (TTL levels)

Management and Control

  • Serial Management Port - RS232 interface (RJ-11 connector)
  • 10/100 BaseT for Remote Management over a LAN.
  • 10/100 BaseT Telnet over a TCP-IP Network.

Command Language

Command Line Interface (english text commands)
Windows based GUI (optional).

NMS (with Telnet) Xport Specifications

Network Interface RJ-45 Ethernet 10BaseT or 100BaseT-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  Internal web server, SNMP (read only), Serial login, Telnet login
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

E3 to Ethernet Converter

S. No. Part # Product Description Qty
1  VCL-E3-ETH-DC E3 to Ethernet Converter with -48VDC Input 1
2 VCL-E3-ETH-AC E3 to Ethernet Converter with AC Power Input 1

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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