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Feature Overview

This feature extends the number of T1/E1 spans supported by SBC 1000 from 2 to 4 spans with the addition of a second T1/E1 line card. Previously the SBC 1000 supported one 2-port T1/E1 line card with the first T1/E1 port being licensed by default and the second port controlled by a software license. In this release, the first port is licensed by default, and the next three ports are configurable through software licensing.

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The additional 2-port T1/E1 line card (slot 8) is accessed through two ports (labeled 1 and 2) on the left side of the SBC 1000 Front Panel.

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The original 2-port T1/E1 line card (slot 7) is accessed through two ports on the right side of the SBC 1000 Rear Panel.

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1SBC 1000 Front Panel
3SBC 1000 Front Panel

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The following diagram shows a typical network layout of the SBC 1000 to PSTN or PBX, or both in upstream or downstream layout using T1 or E1 cables.

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1Typical Connection of SBC 1000
3Typical Connection of SBC 1000

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Software Changes

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Configuration and WebUI Changes

The Inventory Report tab shows the new Telco Module 8 in the location column.
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1Inventory Report
3Inventory Report
Image RemovedAccess the Inventory Report (System > Inventory Report) to view the modules.

System Overview

The SBC 1000 Overview tab (System > Overview) shows the status of the 2-port DS1 line card in the front slot (Module 8). 

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1SBC 1000 Overview Module Status
3SBC 1000 Overview Module Status

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Port View

 SBC 1000 Ports view (Settings > Node Interfaces > Ports) shows the new DS1 port 8:1 and 8:2 along with configured port type, port status and port counters. Caption0Figure1SBC 1000 System Port View3SBC 1000 System Port View

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Configuration

Although there are no new configurable items added to SBC 1000 as a result of this feature, the existing applicable configuration elements are extended to include Port Configuration for module 8.

The SBC 1000 Set DS1 Port Type window of the Web UI (Settings > Node Interfaces > Ports>) window is modified to include module 8 as shown below. This window is used to set the port type of module 8 to T1 or E1 for both ports.     Caption

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1DS1 Port Type
3DS1 Port Type
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Relay Configuration

 

The DS1 Relay Configuration object (Settings> Node Interfaces > Ports > Relay Config) allows the user to choose a relay configuration state on modules 7 and 8 of Online, Passthrough or Poweredown Passthrough. The SBC 1000 does not support choosing different settings between the two modules. Caption0Figure1Relay Configuration3Relay Configuration

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Limitations

  • Support for four DS1 ports will be available only on the SBC 1000 chassis running firmware release 6.1.0 or higher.
  • SBC 1000 does not do companding law conversion if the ports on one line card is configure as E1 and on the other as T1.
    • The companding law set in the system branch of the Web UI is applied to all the TDM ports in the system.
  • A software license is required for each port of the DS1 line card in the front slot (slot 8) of the SBC 1000 chassis.
  • Certain SKUs like SBC-1K-R-4P-FXSFXO-E may not able to support full call capacity listed in table SBC 1000 Call Capacity if if CAS is used on T1/E1 interfaces or silence based disconnect is enabled on the FXO ports.

Dependencies

To use the additional two DS1 ports on the new SBC 1000 chassis requires installation of the following::

  • The second 2-port DS1 line card in the front slot of the chassis.
  • SBC 1000 software release version 6.1.0 or higher.
  • The 3-DS1 port software license.

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