Module FSM (Overvoltage protection)

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The fine protection modules serve to protect the accesses of the PBX against over-voltage. The over-voltage occurring on the lines will be grounded in the process. Over-voltage protection for accesses

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Telephony Modules

• VoVPN module
• Routermodule
• Module 4 DSP - 8 DSP
• Module 2 a/b
• Module 4 a/b - 8 a/b
• Module 2 S0 - 4 S0
• Module 4 Up0 - 8 Up0
• Module 1 POTS
• Module POTS 2 / 4
• Module PRI
• Module Multicell 2 / 4
• T400 - T400/2
• Module FSM (Overvoltage protection)
• Module TFE
• Module contacts
• Module NSP
• Answeringmodule CS410