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This Norstar cartridge supports 4 telephones lines, and can be used in either a Copper or Fiber 12X0 Trunk Module for the ICS or Modular 8x24 system. This Norstar cartridge also supports Disconnect Supervision if provided from the Local exchange carrier.
- Mnfr. Part #: NT5B40
- Provides 4 Lines to the 8x24 KSU
- DS Cartridge. Disconnect Supervision is supported
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