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  • 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 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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