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1TEST

Version 1.0.1

Active Optical Components

braun teleCom stands for competence and continuity as a supplier of broadband communication techno-logies for more than 30 years. A long experience and constantly growing know how make us a leading supplier of systems and system components for multi-media cable TV networks.

In addition to the classical CATV product line, con-sisting of active and passive components, we have persistently expanded our range, integrating sophisti-cated optical system technologies as well as services encompassing CATV and FTTx network planning into our portfolio.

While, in many areas, our activities focus on the development and production of own products, they also include operations as a distributor for selected high-performance cooperation partners in order to always reach the highest customer satisfaction.

For the range of products and services, we are set-ting high quality standards for ourselves, while still making sure to offer the best price-performance ratio possible!

SOPHISTICATED PRODUCTS AND SOLUTIONSFOR HFC AND FTTX BROADBAND NETWORKS

Do you have questions concerning our products or want to place an order?

We look forward to your call!

+49 511 757086

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3

Point-to-point technologynetwork service approaches supported by Waystream components

Core

Access

Layer 3 Routed Access

• Access-swiches route the traffic all the way to the access ports that connect the end-users.

• Each user is connected on a port that is separated by routing.• The end-user is connected without any VLANs to the home/office router

or switch – it is a plain layer 2 domain.• Main advantages are load-sharing through routing over multiple links, fast

redundancy and easy network operation (tools such as ping and trace-route can be used).

MPC

802.1QTrunk

Vid 101

Vid 102

Vid 103

Customer VLAN Access (L2)

• Each residential home or business is connected to a port that is assigned to a unique C-VLAN.

• Set of C-VLANs are bridged to through the aggregation layer to a broad-band network gateway (BNG), such as the Waystream MPC480.

• Service control in the network is often done through RADIUS based authorization to the MPC, but other commercial automation solutions are also common to adapt network configuration for individual customers subscription.

Service-VLAN Access

• All end-users using the same service/category of service are part of the same VLAN. Service control is typically done on the port of the access switch connecting the end-user instead of at a central BNG.

• Service-VLANs often span across mulitple switches in the access and aggregation layers.

• The service-VLANs are layer 3 terminated in a layer 3 switch or edge router, but no advanced service features are applied here – standard routing is sufficient if the service control has already been done at the access-layer.

• Several commercial options for automation exist, often using the command line interface of the access switch to set and remove configuration as services are updated.

Access network

A B

D CService VLAN 100Service VLAN 101

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4 MPC480

MPC480Cost-efficient router for Ethernet and IP/MPLS networks

Parameter MPC480

Dimensions (H x W x D) [cm] 17,5 x 44 x 40Airflow [CFM] 120Weight [kg] 18,5Power consumption [W max.] 500

Multicast routing

IPv4 multicast routingRoadmap IPV6 multicast routing

PIM-SM/SSM IPv4IGMPv1-3 Querier

IGMP snooping

Management

Telnet CLISSHv2 CLI

SyslogNetFlow v9 export

SNMPv1-v3ScriBOS Service Templates

Redudancy protocols

Spanning-treeRapid spanning-tree

Multiple spanning-treeVRRP

Table Sizes

Number of IPv4 VRF 200Routing table 1.000.000Number of bridge instances 1MAC address table size 16.000Number of remote-interfaces 5.000Number of ARP entries 35.000OSPF Type 3 LSA 50.000OSPF Type 5 LSA 50.000Max policy-map on one port 30.000Max policy-map in system 50.000Max pseudo-wires 15.000

Order No.on request

Please contact us to find a solution meeting your demands.

The MPC480 is versatile, supporting many different deployment scenarios, and offers world-class features and tools to make network operation easier.It delivers the ultimate user experience. Highly configurable, this edge

router enables operators to take full advantage of converged Ethernet and IP/MPLS networks for business and residential service delivery, and private (VPN) networking.

5MPC480

Product overview

• High-performance IP router• Provider Edge router in IP/MPLS networks for layer2 and layer3 VPN services• Service Router/BNG• Small form factor• Flexible licensing structure• Designed for Ethernet-based infrastructure• Enhanced troubleshooting capabilities

Lower CAPEX

• Built for cost efficient Ethernet technology• Flexible network processor with software defined features for service delivery• Cost efficient hardware allows generic deployment and makes the network

more scalable• Flexible licensing options enable a pay-as-you-grow model

World class features

• Operating system: iBOS• Use of industry standard CLI allows engineers to quickly adapt to working

with the platform• RPM quality measurement tool for multicast TV and remote mirroring

capabilities (support legal intercept or advanced troubleshooting)• Monitor the quality of multicast TV in the network and provide realtime

information about the customer experience

• ScriBOS™ script language (based on Python)• Platform can be adapted to many operational environments and interacts

with OSS systems in ways no other router on the market can• NetConf: world-class features to integrate, automate, operate and support

network troubleshooting

Diagram using RPM tool to monitor the quality of multicast TV below

Core

OK HERE NOT OK HERE

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Your benefits

• Flexible pay-as-you-grow and service-centric licensing model. Low entry cost to build the network combined with gradual licensing as revenue generating customers are added provides the best cash-flow and OPEX efficiency.

• Versatile layer 2/layer 3 VPN and Routing• BNG with Effective Subscriber Management• Up to 100 Gbit/s throughput• Edge Router platform for IP/MPLS networks• Slim-form factor 4 RU chassis with front-to-back cooling• Redundant hot-swappable power and line-cards

6

Versatile deployment

• Provide business and residential services• Serve as a native IP or IP/MPLS router• Perform Ethernet switching• Provider Edge (PE) role: Enable layer 3 VPNs as well as layer 2 point-to-

point (E-Line) connections across a MPLS backbone

• Enter the business service domain to meet requirements from multi-branch customers, or to backhaul residential and mobile traffic across the network

• Service Router/BNG: perform rate-limiting and control services for thousands of customers connected by a vast variety of technologies, such as point-to-point Ethernet, GPON, xDSL, Cable-TV networks, wireless solutions and more

• Supporting Customer-VLAN topologies and multiple services per customer

MPC

RADIUS

Metro/Access

MPC as Service Router/BNGMPC as Provider Edge

MPC MPC

LDP and BGP signaling

VRF 100VRF 100AttachmentCircuit (AC)

CECE

CE CE

Pseudowire

MPLS Network

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7MS4000

MS4000Layer 2 and above access switches for Enterprises and FTTH

Parameter MS4226-AC MS4226-DC MS4326-AC MS4326-DC

Network technology 10 GE (SFP+)

Ports20 port 100/1000BASE-X (SFP) + 4 GE combo ports, 20 port 100/1000BASE-T (RJ-45) + 4 GE combo ports,

1 RJ-45 management port 1 RJ-45 management portPower supply AC power DC power AC power DC powerStandard iBOS StandardUplink ports 2 10000baseX (SFP+) with diagnostics (DDM) 2 10000baseX (SFP+) with diagnostics (DDM)

GE ports24 100/1000baseX (SFP) with diagnostics (DDM) 24 10/100/1000baseT with MDI/MDIX and polarity

autosense

Combo ports4 10/100/1000baseT with MDI/MDIX and polarity

autosense4 100/1000baseX (SFP) with diagnostics DDM

Dimensions (H x W x D) [cm] 4,3 x 44,1 x 24,0Weight [kg] 4Operating temperature [°C] 0 – 45Operating humidity, non-condensing [%] 10 – 90Storage temperature [°C] -10 – 70Power consumption [W] 50MAC table 16.384 MAC addressesVLAN table 4.094 VLANsMulticast S,G entries 2.048 L2 multicast, 4.000 IP multicast groups

SecurityIP spoofing protection, Up to 10 Gbps bandwidth IP fragment inspection in NPU,

Restricted multicast access with IGMP join-filter, UNI isolated ports, MAC Forced Forwarding,DHCPv4 snooping for anti-spoofing

MirroringInterface mirroring to local interface,

Interface mirroring over GRE to remote Wireshark or other packet capture tool (requires iBOS Advanced)

Management

Command Line Interface Industry standard CLI with debugging, configuration and management, Telnet, SSHSerial interface RS232 console serial port to access CLISNMP SNMPv1, v2c and v3

PFDPPacketFront Device protocol exchange system information with other iBOS devices and selected PFNP

customer premise equipmentSystem boot BOOTP client for address assignmentTime NTP time synchronisationRemote logging Syslog

Order No.on request

Please contact us to find a solution meeting your demands.

The MS4000 switch is purpose built for FTTH/FTTB access to enable easy operation and deployment of services.Built on a unique network processor (NPU) and switching silicone solution, the MS4000 delivers a user experience that meets today's challenge from the most demanding FTTH networks.

Features like ingress and egress traffic shaping, quality measurement and control for SLA fulfillment verification, remote mirroring for easier trouble-shooting and multi-rate support to facilitate network upgrades make the MS4000 the ultimate access switch for Layer 2 networking.

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Product overview

• Layer 2 access switch designed for network edge service control, network aggregation and traffic classification/prioritization

• Provides maximum throughput and responsiveness for services even when used by many users at the same time

• Features to deliver voice, video and data services and to support the net-work team in daily troubleshooting and network operations

• The MS4000 can be used in a variety of network topologies such as• Customer VLAN topology in combination with a Service Router/BNG

with efficient multicast distribution and optional RADIUS based control of ingress traffic

• Service VLAN topology where the MS4000 performs service enforce-ment and a secure MACFF based network

• TR-101 topologies with VLAN translation• PPPoE topologies with intermediate agent features for customer iden-

tification• Mix these features to support transitions from PPPoE to Service VLAN or

Customer VLAN topologies• Security features such as IP strict clients• Adapt the switches' behavior through the ScriBOS script language• Industry standard CLI and SNMP support• Available in two models: Either with 24 RJ-45 copper (MS4326) or 24 SFP

(MS4226) Gigabit Ethernet ports.

Advanced traffic classification/forwarding

• Extensive traffic classification support• Further classification and forwarding using advanced algorithms such as

Weighted Fair Queuing (WFQ) scheduling and shaping• Traffic in both ingress and egress direction can be handled through the NPU• Fair distribution of traffic between applications and flows (a single user

cannot monopolize the bandwidth of a service)

Multi-rate support

• SFP ports support both 100 Mbit/s and 1 Gbit/s speeds• In an existing Fast Ethernet network the Customer gateway (CPE) can

continue to operate at 100 Mbit/s when the access switches are upgraded to the MS4000, avoiding fork-lift upgrades of the CPEs

• The 10 Gbit/s ports also support 1 Gbit/s operation, being fully compatible with both SFP and SFP+ optical modules

Customer and service VLAN topologies

• The MS4000 can be used in a wide variety of network topologies and supports:• Ethernet wholesale with C-VLAN and S-VLAN, supporting double-tag-

ging for business services or open-access networks• Customer VLAN topologies with a central Service Router/BNG• Service VLAN topologies using DHCP snooping for end-user and net-

work security• IP strict clients for anti-spoofing• MAC Forced Forwarding prevents layer 2 interaction between clients in

the VLAN including ARP inspection for increased security• MS4000 can use RADIUS to automatically obtain configuration instructions

for ingress shaping of traffic, thereby contributing to network protection and improved user experience

• Multicast VLAN support and ability to create channel packages • Simultaneous forwarding of up to 2.048 multicast groups• Full VLAN range, up to 4.096 vlans, including double-tagging, and 16.000

MAC addresses

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Automated deployment

• Deploy the switch into the network, directly out of the box• No need for pre-configuration before installation• The switch will BOOTP for its management IP which allows a central

auto-configuration server to connect to the switch and configure it

Connectors in the front

• Connectors for network, administration and power are located in the front of the unit

• Small form factor, only 26 cm deep, simplifies installation and makes the MS4000 fit into narrow spaces in multi-dwelling unit environments as well as dense deployment in central office or wiring-closet sites

Support for dual stack services

• Support classification on IPv6 including policies for traffic management and QoS

Your benefits

• FTTH Customer and Service VLAN topology ready with advanced QoS• 10 Gbit/s uplink ports• 100 Mbit/s and 1 Gbit/s for copper and fiber downlink ports• Efficient distribution of TV including quality measurement

Quality inspection of TV

• Inspect multicast MPEG streams using Realtime Protocol Monitoring (RPM) • RPM supports MPEG over RTP as well as UDP and collects and analyzes

metrics at RTP level, Transport Stream level and Packetized Elementary Stream level

• The errors detected include:• Sequence-error per RTP multicast group• Jitter per RTP multicast group• Missing-sync-byte per TS multicast group• Misaligned per TS multicast group

• Monitoring of both SD-TV and HD-TV streams, up to 50 TV channels at the same time

• Ensure continuous monitoring of key channels

Environmental touch

The MS4000 contains less bromide, phoshorous and chlorine compounds than comparable products which reduces the health risks associated with electronics.In addition, the MS4000 supports Waystreams super low power SFPs that can reduce carbon emission and the electricity bill by 20 – 25% on average for FTTx equipment.

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10 LS2300

Lightstar 2300High-performance and cost efficient 10 Gigbit Ethernet switches

Parameter MPC480

CapabilityVLANs 4.096L3 Multicast 4.096

Power consumption [W] < 130Power supply Redundant 1+1 PSU (AC or DC option)Dimensions (W x H x D) [cm] 44 x 4,4 x 36Support 10G/2,5G/1G interface speed

DCHP

DHCP relay with option-82DHCPv6 relay with option 18/37

DHCP serverDHCP option-60 parsing

SecurityPort isolation, DHCP/DHCPv6 snooping, IP/IPv6 source-guard,ARP spoofing protection, CPU rate-limiting, Anti-fragment DoS,

Anti-DHCP DoS, Storm control, Port security

VLANPort-based VLAN, MAC-based VLAN, Protocol-based VLAN,

IP-subnet-based VLAN, SuperVLAN/SubVLAN, GVRP,VLAN translation N:1, 1:1

Management

Telnet/SSH CLI, Web interface (reduced), Local user authentication,RADIUS for user authentication, TACACS+ for user authentication,

Access list for access control, Virtual cable test, SFP diagnostics (DDM),SNMP version 1-3, SNTP client, PPPoE intermediate-agent option,

File transfer FTP/TFTP, Utilization alarm, Syslog logging,sFlow, IEEE802.1ag Connectivity Fault Management (CFM),

IEEE802.3ah Ethernet First Mile (EFM), LLDP, UDLD, Stacking

MirroringPort mirroring

Access-list based mirroringRSPAN

Order No.on request

Please contact us to find a solution meeting your demands.

The LS2300 can be used in FTTH broadband networks as an aggregation switch or in datacenter and enterprise environments, where high-speed switching of servers and infrastructure is required.The switches' architecture supports line-speed operation on all ports and has an extensive feature set that includes advanced QoS, redundancy protocols and even Layer 3 routing.Furthermore, the LS2300 has a compact form-factor – only 36 cm deep – with pluggable power modules and replaceable fans for front-to-back airflow. In addition, an envolving MPLS feature set enables the LS2300 to function as an edge router in new and exciting services that offer simplifiedmanagement.

The switch is ideal for aggregation of Layer 2 networks, both in campus and enterprise environments, as well as residential broadband access networks. The high density of 10 Gbit/s SFP+ ports allows connection of both local and remote access nodes, or clusters of access switches, that support typical architectures such as double-tagging, multicast distribution, and fast conver-gence using ERPS or spanning-tree protocols.With its support for standard link-aggregation/ether-channel features, the LS2300 also fits into multi-chassis LAG deployments.

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11LS2300

Site aggregation in FTTx and broadband deployment

• Cost efficient aggregation layer to many different types of access nodes• High density 10 Gbit/s port• Redundancy protocols enable a connection to the network core in ring-

topologies as well as star-topologies• High performance switching allows the LS2300 to serve as the core switch

in networks with many thousands of subscriber connections

Flexible power options

• Redundant hot-swappable power supplies• Either 220 VAC or -48 VDC power feeds• Deployable in any facility, working with UPS solutions for Telco systems

using AC and DC

MPC MPC

Core network

2 x 10 Gbit/s LAGLS2300

MS4000

10 Gbit/s

Layer 2 aggregation: Dual ring with link-aggregation, redundancy-protocols and point-to-point connections from the LS2300 to the access nodes in a standard star topology provide a high reliability.

Layer 2 aggregation

• Typically deployed in a ring architecture to provide redundant paths for connected access nodes

• Access-nodes can also be connected in redundant topologies• Reduces costs and complexity when access nodes and switch are located

in the same physical location

• Connect the access nodes to the LS2300 with cost efficient 10 Gbit/s copper or short range fiber links within the installation rack

• Supports the full VLAN-range• Using double-tagging, the connected access nodes support thousands of

access ports

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Your benefits

• Lower CAPEX• Up to 50 % cost savings compared to other brands

• Small form-factor, high performance• 480 Gbps switching/360 Mbps throughput• 1 RU, 36 cm depth, 24 x 10 Gbit/s SFP+• 1+1 AC/DC power, front-to-back cooling

• Extensive feature-set• Layer 2 and Layer 3 redundancy options• Security to protect the network• Comprehensive multicast features

Extensive feature set

• Extensive Layer 2 and Layer 3 feature set supports a variety of needs across operator- and enterprise networks

• Comprehensive list of Layer 2/Layer 3 redundancy protocols• Fast convergence on Layer 2 networks using ERPS or standard

spanning-tree with support for OSPF and BGP

MPC MPC

Core network

10 Gbit/s LS2300

L3 accessswitches

Layer 3 distribution: Daisy chains of multiple access nodes make efficient use of the Layer 3 routing solution and simplify troubleshooting, network aggregation and network

• Security features such as DHCP snooping, ARP inspection, and IP source guard• Broad selection of multicast related functions• Operate an onboard DHCP server or work together with a network DHCP

server for IPv4 and IPv6, thereby adding vital DHCP options for maximum user traceability

Layer 3 Distribution

• Ring topologies using routing protocols such as OSFP provide fast conver-gence and enable redundant paths with load sharing to be deployed

• Standard routing protocols with up to 8.000 IPv4 routes in internal tables

• More than enough to support thousands of subscribers• IPv6 support: Access nodes can connect dual stack clients

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13ASR6000

ASR6000 Layer 3 Gigabit Ethernet access switch

Parameter ASR6226-AC ASR6326-AC

Network technology 2 1/10 GE (SFP+)

Ports24 port 100/1000 BASE-X (SFP) 24 port 10/100/1000 BASE-X

with four combo RJ-45 with four combo 1000 BASE-X SFPPower supply AC powerStandard iBOS included10 GE ports Multi-rate 1 Gbps SFP or 10 Gbps SFP+GE ports 24 SFP multi-rate 100/1000 Mbps Gigabit Ethernet ports 24 10/100/1000 Mbps Gigabit Ethernet portsCombo ports 4 RJ-45 10/100/1000 Gigabit Ethernet ports 4 1000BASE-X SFP Gigabit Ethernet multi-rate portsDimensions (H x W x D) [cm] 4,3 x 44,1 x 24,0Weight [kg] 4

Indicators

Interface LED indicator for link and speedPower LED indicatorSystem LED indicator

Managed LED indicatorAcoustic Max 50 dBA noise levelCooling Redundant fan, sufficient cooling capacity when two of the three fans are workingOperating temperature [°C] 0 – 45Operating humidity, non-condensing [%] 10 – 90Power Single power input 100 – 240 V, 50 – 60 HzPower consumption [W] 50MAC table 16.000 entriesVLAN table 4.000 entriesMulticast S,G entries 4.000 entriesShaping 4.095 shapers with packet drop or recolor (64 kpbs – 1.000 Mbit/s)

ManagementIndustry standard CLI with debugging, configuration and management, RS232 serial console to access the CLI,

Telnet, SNMP, PFDP – PacketFront Device Protocol, SNMP v1, v2c and v3, Syslog, NTP, LLDPSystem boot BOOTP client for address assignmentFlow export Netflow version 9

DHCPDHCP relay agent

DHCPv6 relay agent

Security

IP spoofing protection, Wirespeed IP fragment inspection,Per layer 3-interface packet shaper for packets destined to the control plane,

Restricted multicast access with IGMP join-filter, UNI isolated ports, MAC Forced Forwarding,DHCPv4 snooping for anti-spoofing, Lawful Interception X1 and X3 interface

MirroringInterface mirroring to local interface

Interface mirroring over GRE to remote Wireshark or other packet capture toolRADIUS Radius based service control (BNG)PPPoE Server PPPoE server operation for 576 users with PAP/CHAP authentication

Order No.on request

Please contact us to find a solution meeting your demands.

The ASR 6000 is a Layer 3 Gigabit Ethernet Access switch with IPv4/IPv6 routing features designed for data, voice and video service control in broad-band networks.Using an onboard Network Processor, the ASR6000 delivers enhanced ser-vice functionality such as per client bandwidth ingress and egress shaping,

weighted fair queuing scheduling with 2.000 queues per client, quality measurement of MPEG TV and RADIUS controlled service templates.The ASR6000 is used by service providers, network operators and city networks for FTTH broadband service delivery in the access, as a Gigabit Ethernet aggregation switch and mini-BNG.

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Product overview

• Layer 3 access switch for FTTx access service control, network aggregation and high-performance IPv4 and IPv6 routing

• Versatile tool for routing and switching needs• Filled with features to deliver voice, video and data services

ASR6000 hybrid architecture

• Hybrid switch-ASIC and NPU architecture• Deliver unique per-client services as well as quality and troubleshooting

functions such as Realtime Protocol Monitoring of TV multicast traffic• Can be controlled by the RADIUS protocol• CLI contains many functions and detailed information about the traffic• Available in two models; either with 24 RJ-45 copper (ASR6326) or 24 SFP

(ASR6226) Gigabit Ethernet ports• SFP ports support both 100 Mbps and 1 Gbps speeds, upgrading access

to a fibre network is easy• Customer gateways at the edge can continue to operate at 100 Mbps• When customer equipment is upgraded, a simple configuration change in

the ASR instantly upgrades the downlink to 1 Gbps• SFP+ ports also provide multi-rate speeds, both 1 Gbps and 10 Gbps

RADIUS control

• Customized and automated service control can be implemented• Existing RADIUS based mechanisms, used for xDSL, can be reused• PPPoE or DHCP messages from the client triggers the RADIUS

authentication process• RADIUS server response controls service parameters such as rate-limiting,

access-lists or other functions to apply to the traffic related to the specific client

• Change of Authorization is supported to allow portal login or dynamic adjustment of service parameters in active sessions.

• Flexible, script-based, integration allows customization to fit the specific RADIUS-server or needs of the network

Per-client bandwidth control with advanced scheduling

• Extensive classification rules to perform traffic management of individual clients

• For local clients, the NPU can provide further granularity and functionality• Large memory pool for packet buffers and other purposes (for proper

queuing and traffic shaping with no packet loss)• Better link- and network utilization of bandwidth for a smooth end-user

experience• Flow-based forwarding with thousands of virtual queues for proper

weighted fair queuing and scheduling of traffic for connected clients• Create advanced, highly granular traffic management and QoS rules

VPN Services

• Several features to allow Layer 2 VPN networks to overlay the layer 3 net-work, or to work in parallell

• This allows the single infrastructure to service both residential and busi-ness customer needs

L3Switch- ASIC

NPU

2 x 10GE Ports

24 x Gigabit Ethernet Ports

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Your benefits

• Network processor enabled access switch and mini-BNG for IPoE/PPPoE• Easy network operation – extensive troubleshooting functions• Superior rate-limiting and QoS features• All connectors via the front panel• Simplified Gigabit transition with multi-rate SFP support and combo-ports

Quality improvements and inspection of TV

• Improve the overall quality if the TV playout generates a bursty media stream in networks using multicast

• Shape bursty multicast traffic, which will prevent packet drops due to buffer exhaustion

• Inspect multicast MPEG transport streams (MPEG over RTP and UDP)• Collect and analyze metrics at RTP level, Transport Stream level and

Packetized Elementary Stream level• The errors detected include:

• Sequence-errors• Jitter• Missing-sync-byte• Misaligned

• Errors can be logged, read using SNMP or shown by the ASR CLI• Monitoring of both SD-TV and HD-TV streams, up to 50 TV channels at

the same time

Environmental touch

The ASR6000 contains less bromide, phosforus and chlorine compounds than comparable products which reduces the health risks associated with electronics.In addition, the ASR6000 supports Waystreams super low power SFPs that can reduce carbon emission and the electricity bill by 20 – 25 % on average for FTTx equipment.

Efficient use of IPv4 address space

• Layer 3: each port or virtual-port can connect to a different end-user• Set of features that allows an IPv4 subnet to be shared among end-user

clients connected on different Layer 3 ports – even across multiple ASRs• Clients share a larger subnet, any traffic between clients within the subnet

is routed through, and between, the ASRs• Result: Secure Layer 3 separation between end-users, a routed topology

for easy network management, and maximum use of available IPv4 address space

Support for dual stack services

• IPv6 unicast forwarding• Policies for traffic management and QoS also support IPv6• IP client can use either IPv4 and IPv6, or both.

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braun teleCom GmbH

Merkurstr. 3 c 30419 HanoverGermany

Phone +49 511 757086 Fax +40 511 753169

[email protected] www.brauntelecom.com