ICS TRIPLEX TC-311-03 Local Expansion Cable Assembly

Communications Cable Type TC-301-0X

This type of Trusted Communications Cable is designed to connect a Trusted TMR Expander

Processor T8310 to the appropriate position on the Trusted Expander Interface Adapter Unit

T8312.

The Expander Processor end of the cable (SKT2) is fitted with a 96-way type ‘C’ connector

housed in a double-width hood. The hood is fitted with an earth braid. The Expander

Interface Adapter end is fitted with a 12-way LEMO plug.

The cable assembly consists of either:

• Cat 6 Plus, screened with LSZH sheath (TC-301-02), or

• Cat 5e, screened with UL Certified sheath (TC-301-03).

The ends of the sheathing are covered in heatshrink sleeving at one end (LEMO plug) and

heated to help prevent fraying.

Maximum length: 30 m.

The Trusted CI provides the Trusted System with an intelligent Communications Interface,

acting as a relay between the Processor, other Trusted Systems, the Engineering Workstation

and third-party equipment.

Hardware

The module has a Power PC Processor. Bootstrap software is stored on Erasable

Programmable Read Only Memory (EPROM). Operational firmware is stored in flash memory

and may be upgraded via the Front Panel Port.

The Trusted Operating System is used on both the TMR Processor and CI. The real time

kernel is a high speed, high functionality kernel made for fault tolerant distributed systems.

The kernel provides basic services (such as memory management) and interference free

software environments.

A module watchdog monitors processor operation and the power supply unit (PSU) output

voltages.