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To add trunk interfaces to the core
Modular ICS, Fiber Trunk Modules may be connected to the Modular ICS by a
fiber cable.
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Each Fiber Trunk Module (TM) holds
up to three Trunk Cartridges. The number of additional lines depends on
the cartridge being installed There is one emergency transfer port per
Trunk Module.
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All analog trunk cartridges are
supported in the Fiber Trunk Module. Digital Trunk Interface (DTI)
Cartridges and the Services Cartridges are not supported in the Fiber
Trunk Module.
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ISDN-BRI Cards are supported only on
Trunk Modules 3 and 4 (2-port expansion), or Trunk Modules 7 or 8 (6 or
12-port expansion).It has One Male a 50-pin amphenol connection is used as
the interface for co-trunks.
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