Supported ports of the H837ASPB board

The H837ASPB, H838ASPB, and H839ASPB boards provide the following 32-channel ports for POTS service access.


  • PSTN0 port: provides 32 channels of POTS signal access and is connected to the 32-channel subscriber cable.

  • PSTN1 port: provides 32 channels of POTS signal access and is connected to the 32-channel subscriber cable.

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