Toshiba Strara CTX Series Installation And Maintenance Manual

Strata CTX Configuration1-5Strata CTX I&M September 2002Strata CTX670 OverviewThe Strata CTX670 system provides sophisticatedtelecommunication features in a modular system designedfor growth. Its universal slot architecture enables you toselect the combination of Exchange lines, stations, andperipheral options that best suit your needs.The CTX670 basic processor can be configured for smallersystems as a one or two cabinet system with a capacity of upto 192 Exchange lines and stations combined. It can expandto support up to seven cabinets with a capacity of up to 672Exchange lines and stations combined (see Figure 1-2).System line and station capacity is expanded by addingprocessor expansion Printed Circuit Boards (PCBs), cabinetsand line/station PCBs.The CTX670 easily connects to outside public and privatetelephone lines. All of the telephones (stations) tied to thesystem can have direct access to each other as well as to thepublic and private network.The Base Cabinet and optional Expansion Cabinets are thebuilding blocks of the system. Each system has a Base Cabinet, and can have from one to sixExpansion Cabinets. All lines, stations, and options are tied together through the cabinets.The overall weight and dimensions of the CTX670 cabinets are shown in Table 1-2.CTX670 Processor PCBsThe system operates with one set of processor PCBs (BECU/BBCU) that install in dedicated slots ofthe Base Cabinet. The BECU/BBCU processor incorporates the following on-board hardware features:CPU/MemoryThe CTX670 uses a high-speed, 32-bit, Reduced Instruction Set Computing (RISC) processor,Dynamic Random Access Memory (DRAM) working memory, Static Random Access Memory(SRAM) with lithium battery for back-up memory, and flash program memory.Table 1-2 CTX670 Cabinet SpecificationsCabinet Weight Height Width DepthBase Cabinet (CHSUB672F) 14.1kg (31lbs) 29.5cm (11.625in) 67.3cm (26.5in) 26.2cm (10.3in)Expansion Cabinet (CHSUE672F) 13.2kg (29lbs) 24.8cm (9.75in) 67.3cm (26.5in) 26.2cm (10.3in)5398Figure 1-2 CTX 670 Base/ExpansionCabinets