What is xdm 100

Quick Links. Table of Contents. Previous Page. Next Page. Page 2 All trademarks mentioned herein are the property of their respective holders. The information contained in this document is applicable to both versions of the platforms Page 5: Table Of Contents 3.

System Design Page 6 6. Proprietary A Page 7 Contents 7. Physical Description This establishes a clear lead for metro-access applications with escalating bandwidth requirements.

Due to its extended operating temperature range, it is also most suitable for harsh environmental conditions. Page Applications This has brought about exceptional growth in the demand for more bandwidth at reduced costs. One of the XDM's key features is its Layer 2 Ethernet capabilities, which offer carriers a clear migration path from pure TDM-based, legacy services to new value-added data services.

Page Figure Typical Ethernet Application As many customers insist on a fully guaranteed QoS, the XDM enables you to provide a range of QoS levels for different customers, as well as several service levels for the same customer, if required. The XDM also provides a service layer, which terminates WAN links and consolidates Ethernet traffic arriving from the local access network.

Traffic can be carried to local GbE interfaces or routed to the metro-core network. This is performed once cellular operators decide to migrate from leased lines at the RAN to building their own infrastructure. Optimized to meet the demands of today and tomorrow, the XDM is the key building block for achieving highly competitive solutions. It enables operators to cater to unpredictable growth while avoiding the need to restructure their network. Used in many subnetwork topologies, the XDM can handle a mixture of point-to-point, hubbed, and meshed traffic patterns.

This combined functionality means operators can benefit from improved network efficiency and significant savings in terms of cost and footprint. Page Metropolitan Transmission Networks — the need for additional bandwidth to meet constantly increasing telecommunication requirements. Designed to meet the demands of metropolitan access markets, the XDM is a reliable and scalable network platform that helps providers minimize initial investment and adjust their growth to future demands.

To operate it as an ADM, two are used. This configuration is suitable for dual or multiple homing applications. Page Data Services QoS demands. Its modular architecture enables network operators to start small, and then simply and cost-effectively expand their systems to higher capacities as demand grows.

Page Control And Communication 4. It also communicates with the control processors of the various cards using a master-slave control hierarchy. A faulty MXC control function card does not affect traffic even if only a single card is installed. Page Figure Timing Distribution Block Diagram These outputs can be used to synchronize any peripheral equipment or switch.

Figure illustrates the simplified XDM overall block diagram. It provides an overview of both the physical and functional partitioning of the system. ECI Telecom Ltd. By simply plugging in the EIS-M, carriers are ready to roll out a new array of revenue-generating services. Each packet can be delivered through several EIS-Ms before arriving at its final destination.

There are three types of EIS-Ms with different types of ports, as described in the Page Power Feed DC power source lines. The XDM features a fully redundant power feed subsystem with two external power inputs available. The filter can be connected to both power inputs and distributes the to V DC battery plant inputs to all cards and modules via fully redundant power buses.

Connected to the control and power of the XDM shelf, it becomes an integral part of the platform. The XDM also provides protection for internal traffic paths. Maybe you all know that XDM is a multiservice, high-density optical network platform and XDM capabilities including protection, services and management.

Now I will further explain what is XDM? XDM is a new generation optical networking system that integrates all functions of full point-of-presence POP into a single shelf-shaped element. XDM accommodates increased demand for bandwidth, while maintaining compatibility and enhanced flexibility for transport and routing all traffic types, including voice, data, and video.

Now we can say that XDM provides a wide variety of services, including:. XDM NEs can utilize one of the following shelf configurations:. Slot assignment is as follows:. Slot allocation is as follows:. The XDM shelf is comprised of two cages. International mechanical standards and specifications of XDM shelf design and mechanical practice conforms to.

XDM cards come in various widths, with the narrowest card occupying a single slot and the widest occupying four slots. Below describes the XDM card types. The HLXC is an enhanced matrix card. If any additional xMCP card may optionally provide full protection capability. A redundant xMCP card may optionally provide full protection capability at the equipment level.

The name of the card is indicative of the number of PDH tributaries supported, the data bitrate supported and other protocol-related information. The name of the card is indicative of the number of SDH tributaries supported, the data bitrate supported and other protocol-related information. The name of the card is indicative of the type of card it supports.

A P suffix indicates that the module corresponds to a protecting card in the IOP scheme. Transponders : The role of a transponder within an optical network is to provide the adaptation for a client signal into the network. This adaptation requires a number of features, which are:. It is comprised of an OPM measurement module and a optical switch. It can add and drop single or multiple channels, at specific nodes, without interfering with the remainder of the pass-through channels.

It therefore allows sharing network resources among several traffic hubs, nodes or sub-networks. Below principles that apply for XDM power control. A very reliable mechanism is implemented to detect a change in the span loss that may cause a change in the incoming power. Each card has means for measuring the incoming total power a photodiode. The card is configured with a set of parameters with which it can calculate the expected total power.

This is a function of the present updated number of active channels NOC , their Power per Channel PPC and the actual number of previous amplifiers NOA , for determining the total power of noise in the line. As long as the number of channels and number of amplifiers are updated, the comparison reflects the exact changes in span loss when there are any.

OADM cards and VMUX cards operating in OADM mode change the power of the added channels to track the changes of the span loss in order to keep the same power per channel for all channels added and passed-through. Generally, upon detection of a change in the span loss, the amplifiers compensate for it in order to return to the original network design, by changing their overall gain.

If the span loss increases, the OFA is requested to increase its gain; if the span loss decreases, the gain is decreased too.

In both cases, the principle whereby gain equals previous span loss applies. Each card involved in the leveling process can be located at a different distance in terms of loss of spans in dB with a fixed duration between different amplifiers. Since at the output of the amplifiers the PPC is fixed, this is a good point to relate to. In order to prevent frequent reactions to changes, a threshold limit has been defined called Tracking Tolerance. Any changes in span loss below this threshold are not taken into consideration.

Thus, minor changes in incoming power do not cause any reaction. Another threshold is called the Tracking Limit.