telecommunication apparatus and system fault finding and repair, safe working practices and relevant standards, codes and regulations, including: telephone system fundamentals: the transmission of sound in a telephone system encompassing: function of telephone transmitters and receivers components and functions of the telephone purpose of earthing and protection in a telephone system customer switching systems encompassing: basic function difference between a key system and a private automatic branch exchange (PABX) advanced features basic operations of system distribution frames (SDF)/test point frames (TPF), power fail and line interface requirements (e.g. indial, rotary groups, ISDN, extension and tie-line circuits) types, purpose, use, and requirements of metering devices metering and installation arrangements of public/pay phones installation methods and requirements encompassing: customer switching systems (CSS) interfacing equipment termination of CSS equipment requirements for programming of CSS hazard associated the electronic components of CSS encompassing: static discharge chemical damage mechanical damage electromagnetic Interference telephone network facilities: network subsystems (i.e. functional blocks) components and operating parameters switches within the network customer accesses infrastructure system security telecommunication earthing and protection: telecommunication overvoltage protection system: operating principles overvoltage and surge/spike suppression protection techniques overvoltage protection devices installation of overvoltage protection systems earthing protection system encompassing: components and arrangement of the multiple earth network (MEN) system TELEX functional earth system telecommunication system earthing single and multi-storey communication earth system protective earth barriers for segregation, cable tray, duct and metal equipment enclosures electrical interference encompassing: types – radio frequency interference (RFI) and electro-magnetic interference (EMI) sources of interference techniques in reducing interference earthing cable shields earth testing instruments and procedures safety issues to be considered with earthing and bonding PABX fundamentals: programming methods configuration options programming options switches, hubs and routers: purpose and function circuit configurations connection arrangements system protocols decoders: purpose and function circuit configurations connection arrangements system protocols fault finding and repair: typical faults, their symptoms and cause fault diagnosis procedures and testing component replacement system adjustments relevant manufacturer specifications relevant safe work method statements (SWMS)/job safety assessments or risk mitigation processes relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures. |