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Alcatel's 275x MainStreet Family of Data Termination Units

 

The 275X MainStreet is a series of high performance DTUs that will replace the 2600 MainStreet and 2700 MainStreet DTUs.

The new 275x MainStreet DTUs have additional features not supported by the 2600 and 2700 DTUs including

  • Line Interface &  port redundancy

  • Many new line monitoring & diagnostic features

As a bonus, the value- added 275x DTU are priced the same as the 2700 DTUs.

275x MainStreet DTU at a Glance

Three DTUs for 3 different aggregate interfaces

DTUs

Maximum Loop (Km/mi)

Maximum Speed (kb/s)

Aggregate Interfaces

2751

7/5

64

two V.24

2752

7/5

128

two V.21

2753

7/5

128

two V.35

 

 

 

 

275X MainStreet Value Proposition/ Features

  • Improved Maintainability & lower Operating Costs

    • Remote Software download capability for future upgrades

    • Power failure detection & reporting over the 2B1Q line

    • Open/short detection & reporting over 2B1Q line

  • More features, same price

    • Equivalent price to corresponding DTU in 2700 family

    • Remote monitoring/diagnostics

    • Exceeds 2600 MainStreet DTUs in distance, line protection, line monitoring & offers redundancy.

  • Fully Managed by the Alcatel 5620 Network Manager

    • (NM) - Release 3.3 for 2751/2753 DTUs and Release 4.1 for the 2751 DTU.

    • User friendly full end -to- end path management.

  • Customers can generate new revenues from premium service offerings

    • Low - risk service level guarantees through line, interface and port redundancy

  • Protection of Installed base

    • Mix & match 2700 and 275x DTUs on the same line card.

    • Backwards compatible with 2B1Q line card (the 3600 MainStreet Multiservice Bandwidth Manager must be at release 7.1 or 8.0)

    • Designed to work with 2B1Q,27LC2 and 27LC3 line cards

    • 27LC3 is a 12-port card that provides density equal to the DNIC line card

 

275X MainStreet Considerations

  • The complete 275X MainStreet series of DTUs are available in

    • Release X118-HO-00 or above and in the Alcatel 5620 NM Release 4.1

  • The 2751/2753 MainStreet DTU are fully managed with release 7.1 and the Alcatel 7.15620 NM Release 3.3

  • The 2752 MainStreet is fully managed release 8.0 ad the Alcatel 5620 NM Release 4.1

  • Advanced line monitoring is available on the 27LC2/27LC3, but the 2B1Q line card does not support this feature.

  • 2700 MainStreet power supplies are not compatible with the 275x, the 275x MainStreet DTUs use the same power supply as the 2801 MainStreet HDSL DTU.

  • 90-0531-03/04 DTU shelf & integral power are not compatible with the 275x MainStreet DTU.

  • 90-0531-01/02 DTU Shelf is compatible with the 275x MainStreet DTUs.

  • Support for 275x DTUs on the 3612 MainStreet Narrowband Multiplexer (NBM), 3626 MainStreet Intelligent T1 Channel bank (ICB) & 3630 MainStreet Primary Rate Multiplexer (PRM) products is  available.

  • The redundancy feature is not available on 3612 NBM, 2624 ICB and 3630 PRM products.

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