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Gigabit Optical
Add-Drop Multiplexer
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Description
Valiant Communications offers
VCL-Gigabit
Optical Add-Drop Multiplexer is a unique Gigabit multi-service
optical fiber transport solution which transmits both Gigabit
Ethernet (Gigabit Wire-Speed) data along with upto 16 E1 (TDM)
channels over an optical fiber link.
This
product provides up to 4 x Gigabit interfaces with rate-limiting
option on each port (with user selectable bandwidth allocation
on each Gigabit port).
1+1
optical fiber redundancy is also available for minimizing the
possibility of transmission loss due to an optical link failure.
The
Gigabit (Wire-Speed) Ethernet traffic along with 16 E1's are
multiplexed into 1.25Gbps optical link to provide a compact,
high performance, high throughput and cost effective broadband
network access solution.
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Features
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1U height, 19-Inch standard rack-mountable chassis
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Optical line bit rate 1.25 Gbps
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1+1 redundant Gigabit Optical WAN ports
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1 x Gigabit Optical and 3 x Gigabit Electrical Ethernet ports
with data rate limiting (bandwidth allocation on each port) feature
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1 Gbps data throughput for aggregate Ethernet traffic
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E1 and Gigabit Ethernet Add-Drop Function to use the equipment
in Add-Drop and Chain networking
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Wire-Speed Gigabit Ethernet traffic with 16 E1 data are
transported simultaneously
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Supports jumbo frame size (upto 9720 bytes) transmission
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Supports 1+1 optical link protection and APS with less then 50ms
switching time
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MSA compliant SFP (Small Form-Factor) based design for improved
and easy serviceability. SFP based design provides the
flexibility to the customer to change service distance and
support different types of optical fiber
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MSA standard compliant SFP (INF-8074i, ITU-T G.695 and FC-PI
V2.0)
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Supports Automatic Laser Shutdown (ALS) option for added safety
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Performance analysis of optical ports Optical Transmission
Failure, Loss of Optical Link, Loss of Frame and Errors (E-3 /
E-6)
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E1 port complies to ITU-T G.703 and G.704
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Jitter tolerance, jitter transfer characteristic and jitter
generation fully comply with ITU-T G.823 and G.742
recommendations
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Performance analysis of E1 ports Loss of Signal and Code
Violation
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Performance Analysis of GigE port
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Provides Engineering Order Wire (EOW)
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Remote access and management over TCP-IP Telnet and SNMP
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Supports SNMP V2 monitoring and traps
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Supports Command Line Interface (CLI) based on RS232 (COM Port)
and TCP-IP (Telnet)
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Remote Power Down detection (RPD) alarm. Allows the local end to
detect if the remote unit is unavailable due to optical link
failure or due to power down
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Remote software ungradable
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AC and DC power redundancy {-48V DC (-18V to -72V) , 100-240V AC
options available}
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Complies to electrostatic discharge immunity (ESD) IEC 61000-4-2
level 2
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RoHS and EMI/EMC compliant.
Highlights
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Gigabit (Wire Speed) data transmission
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Gigabit multi-service fiber optic transport solution - Transmits
both E1s and Gigabit Ethernet data over an optical fiber link /
or over 1+1 redundant optical fiber links for added protection
against link failures
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Compact, high performance, high throughput and cost effective
broadband network access solution
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SFP based design for customer convenience, flexibility to change
services distance and serviceability
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Optical distance support for 550m, 10Kms, 20Kms, 40Kms, 80Kms
and 120Kms without Optical Repeaters
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Supports remote power down detect function
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Ethernet data port complies to IEEE 802.3, IEEE 802.3u, IEEE
802.ab, IEEE 802.3x recommendations
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Ethernet data port supports auto-negotiation function and can
work in 10M full/half duplex, 100M full/half duplex, 1000M full
duplex mode (1000M half duplex is not supported)
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Ethernet Transmission media is Category 6 UTP, RJ-45 connector
(electrical) for Gigabit Ethernet channel with upto 1000Mb/s
data rates
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Ethernet Transmission media is optical fiber pair, LC connector
(optical), for Optical Gigabit Ethernet with up to 1000Mb/s
bandwidth
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Engineering Order Wire (EOW)
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Supports Command Line Interface (CLI) for configuration and
management
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Supports TELNET for remote configuration and management
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Supports SNMP V2
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GUI for easy configuration
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Network Management System for monitoring multiple units from a
single, central location
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Supports multiple type of alarm notifications
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Supports E1 and optical loop back configuration, etc.
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1U (44mm) high 19 Inch Rack Mount standard rack design
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Low power consumption (Less than 15W)
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Provides E1's with 120 Ohms (RJ-45) or E1's with 75 Ohms (BNC)
connections - optional
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E1 G.703, G.703 channels support all protocols sent over it,
e.g. SS7 signaling, PRI for PABX interconnection
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Support for Base Station backbone development for CDMA, GSM, 3G
and other applications where E1 G.703 channels and Gigabit
Ethernet data are required to send over the same fiber link.
Power Supply options
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Available with Single 100V-240V AC and / or -48V DC (18V to 72V)
power supply
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Available with Dual 1+1 (redundant) power supply
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100V-240V AC
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-48V DC (18V to 72V)
Alarm and Indicator Monitoring
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Power Indicator
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Current Status (integrity and activity) Indicator
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Optical Signal Loss Alarm Indicator
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Remote Device Power-Down (RPD) Indicator
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Ethernet Link Indicator
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Ethernet Speed Indicator
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E1 Signal Loss Alarm Indicator
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Frame Loss Indicator
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Optical Errors (E-3 / E-6) Indicator
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Optical Code Violation Indicator
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Code Violation History Indicator
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SNMP V2 Diagnostic and Monitoring.
Configuration, Maintenance and Management Interfaces
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Serial Management Port – RS232 interface (COM Port)
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TCP/IP – 10/100BaseT for remote management over a LAN / TCP/IP
network
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SNMP V2 (MIB File provided with the equipment)
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Telnet – CLI (Command Line Interface)
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Windows XP and Windows 7 compatible Graphical User Interface
(GUI)
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Network Management System (to monitor multiple units from a
single central location).
Application
Application: Data Rate limiting feature
VCL-Gigabit Optical Add-Drop Multiplexer supports
Rate Limiting feature. A user can divide 1000Mbps (total)
bandwidth into four Gigabit Ethernet ports according to their
requirement. A user can configure Gigabit Ethernet Rate Limit
from 2Mbps to 1000Mbps for any of the Gigabit Ethernet ports
through user configurable commands.
Related Links
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