Lucent Technologies 555-230-024 Single-Carrier Cabinets, Shows a typical single-carrier cabinet

Carriers and Cabinets

Single-Carrier Cabinets

Figure 1-4 shows a typical single-carrier cabinet.

Figure 1-4. Typical Single-Carrier Cabinet

A maximum of four single-carrier cabinets can be stacked on top of each other to form a single Processor Port Network or Expansion Port Network. There are four types of single-carrier cabinets:

■Control cabinet (located in the Processor Port Network only), which contains ports, a control complex (for call processing), and an optional interface to a duplicated control cabinet.

■Duplicated control cabinet (optional and located only in the Processor Port Network), which contains a duplicated control complex, ports, and an interface to an expansion control cabinet.

■Expansion control cabinet (optional and located only in an Expansion Port Network), which contains ports, a tone-clock, an interface to a Processor Port Network cabinet, and a maintenance interface.

■Port cabinet (located in the Processor Port Network and in Expansion Port Networks), which contains ports and an interface to an expansion control cabinet.

555-230-024 Issue 5 January 1998 1-9