Transcript E3, 2/34Mbps PDH Multiplexer - COMARRA

COMARRA
Telecom Transmission Solutions
VCL - 2/34 Mbps Multiplexer
E3, PDH Multiplexer
Comarra Limited - 2006
VCL E3, 2/34 PDH Multiplexer
Slide 1
Updated : March 2006
Features & highlights
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Single - card implementation
Plug and Play
Modular 2Mbps transmission units
Stored program controlled
Highly reliable and compact
Standard CCITT (ITU-T) compliant interfaces
Monitoring and control by CLI (Command Line Interface)
TCP/IP Remote Access for monitoring alarms and management
Extensive alarms and status indication facility
Service bit monitoring and insertion
Operates on nominal -48V DC input
Distributed on-board power supply
Microprocessor controlled with powerful diagnostic facilities for both remote
and local systems
• Local and remote loopback facility for 34Mbps stream
Comarra Limited - 2006
Slide 2
VCL E3, 2/34 PDH Multiplexer
Front Panel View of VCL-E3 Multiplexer
The front panel LEDs provide the
following indications:
L1L2L3L4L5L6-
E3 LOS
E3 Sync / Alarm
E3 BER
E3 CLK FAULT
E3 REMOTE ALARM
E3 AIS ALARM
RJ-45
"LAN Port”
L7L8L9L10L11L12-
E3 TX FAULT
E1 LOS
ST ERROR
"LAN ON”
Positive 5V present
Negative 48V input present
SW1
"LAN ON / OFF" Toggle
Switch.
LAN Reset Switch
SW2
Comarra Limited - 2006
Slide 3
VCL E3, 2/34 PDH Multiplexer
VCL-E3 Multiplexer Applications 1
Comarra Limited - 2006
Slide 4
VCL E3, 2/34 PDH Multiplexer
VCL-E3 Multiplexer Applications 2
Comarra Limited - 2006
Slide 5
VCL E3, 2/34 PDH Multiplexer
VCL-E3 Multiplexer Applications 3
Comarra Limited - 2006
Slide 6
VCL E3, 2/34 PDH Multiplexer
Front View of Shelf
Comarra Limited - 2006
Slide 7
VCL E3, 2/34 PDH Multiplexer
Back Panel of E3, 2/34Mbps Multiplexer RJ-45 Version
Comarra Limited - 2006
Slide 8
VCL E3, 2/34 PDH Multiplexer
Technical Specifications
34Mbps, third order Interface
Number
1
Nominal bit rate
34368kbps
Bit rate tolerance
± 20ppm
Line code
HDB3
Frame structure
as per G.751
Interfaces
as per G.703
Connectivity
BNC connector (75 Ohms)
Cable
75W unbalanced
Permissible attenuation
12dB at 17184 Khz
Continue..
Comarra Limited - 2006
Slide 9
VCL E3, 2/34 PDH Multiplexer
Technical Specifications
2Mbps primary rate interface
Number
16
Nominal bit rate
2048kbps
Bit rate tolerance
±50ppm
Line code
HDB3
Frame structure
as per G.704
Interfaces
as per G.703
Connectivity
RJ-45 Female Connector (120 Ohms)
Cable
120 W balanced
Permissible attenuation
6dB at 1024 kHz
Power Consumption:
Power Consumption
7.20 Watt
Comarra Limited - 2006
Slide 10
VCL E3, 2/34 PDH Multiplexer
Technical Specifications
NMS (with Telnet)
xPort Specifications
Network Interface
Compatibility
Protocols Supported
LEDs
Management
EMI Compliance
RJ-45 Ethernet 10BaseT or 100BaseT-TX (auto sensing)
Ethernet Version 2.0 IEEE802.3
ARP, UDP / IP, TCP / IP, Telnet, ICMP, SNMP, DHCP, BOOTP,
TFTP, Auto IP, SMTP and HTTP
10Base-T & 100Base-TX Activity, Full / half duplex.
Internal web server, SNMP (read only), Serial login, Telnet login
Radiated & conducted emissions - complies with Class B limits of
EN 55022:1998
Direct & Indirect ESD - complies with EN55024:1998
RF Electromagnetic Field Immunity - complies with EN 55024:1998
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
Comarra Limited - 2006
Slide 11
VCL E3, 2/34 PDH Multiplexer
Programming & Monitoring
Alarm Status Monitoring
• Loss of incoming signal at all 2Mbps ports
• Loss of incoming signal at 34Mbps port
• Loss of frame alignment at 34Mbps
• Remote Alarm at 34Mbps
• AIS at 34Mbps
• Excessive Error Rate at 34Mbps
• Status of audible alarm
Comarra Limited - 2006
Slide 12
VCL E3, 2/34 PDH Multiplexer
Programming & Monitoring
Status Monitoring
• Priority sequence of clock selection and current clock on which the system
is working
• Status of alarm
• Presence or absence of loop-back on 34Mbps and 2Mbps streams
• Enabled / disabled status of 2Mbps channels
• Monitoring healthy / unhealthy state of micro controller and 2Mbps line
interface units
Comarra Limited - 2006
Slide 13
VCL E3, 2/34 PDH Multiplexer
Programming & Monitoring
Programming Features
• Setting loopbacks on 2Mbps or 34Mbps
• Enabling or disabling 2Mbps channels
• Initiating self tests
• Alarm acknowledgment option
Comarra Limited - 2006
Slide 14
VCL E3, 2/34 PDH Multiplexer
Programming & Monitoring
Status Monitoring
• Loss of signal at 2Mbps
• Loss of signal at 34Mbps
• Loss of frame alignment at 34Mbps
• Remote Alarm at 34Mbps
• AIS at 34Mbps
• Excessive Error Rate at 34Mbps
• +5V failure
• -48V input failure
• Processor unhealthy alarm
• Prompt Maintenance alarm
Comarra Limited - 2006
Slide 15
VCL E3, 2/34 PDH Multiplexer
Comarra’s Products
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Digital Access Cross Connects - E1 / T1 , E3, DS3, 10/100 BaseT Ethernet
Groomers (Hi-Z Non-intrusive Hi-Impedance Monitoring)
Echo Canceller & Voice Quality Enhancement Solutions - E1, T1, DS3 and STM-1
E1 Drop-Insert (Add-Drop) Voice and Data Multiplexers
STM-1 Add Drop Multiplexer with Ethernet
GSM Gateways - E1/T1
E1 PRI ISDN (Euro ISDN) Q.931 Multiplexers
Channel Banks
E2 (4 E1), 2/34 Mbps PDH Multiplexer, 34 Mbps OLTE
VoIP SS7 and C7 Solutions
Nextone Softwitch
CISCO Gateways
Quintum Tenor VOIP Gateways
Networking & Engineering Solutions.
Hosted Solutions.
Comarra Limited - 2006
Slide 16
VCL E3, 2/34 PDH Multiplexer
Thank you for your attention
For more details visit us at our Website at
http://www.comarra.co.uk
123 Springvale Road, Winchester Hants
SO23 7LE UK
Phone: +44 (0) 20 7871 9524
E-mail: [email protected]
Web Site: http://www.comarra.co.uk
Comarra Limited - 2006
Slide 17
VCL E3, 2/34 PDH Multiplexer