# Tasks & work activities — telecommunications engineering technician Source: O*NET 30.3, occupation 49-2022.00 (Telecommunications Equipment Installers and Repairers, Except Line Installers). ## Task statements - **[Core]** Note differences in wire and cable colors so that work can be performed correctly. - **[Core]** Test circuits and components of malfunctioning telecommunications equipment to isolate sources of malfunctions, using test meters, circuit diagrams, polarity probes, and other hand tools. - **[Core]** Test repaired, newly installed, or updated equipment to ensure that it functions properly and conforms to specifications, using test equipment and observation. - **[Core]** Inspect equipment on a regular basis to ensure proper functioning. - **[Core]** Repair or replace faulty equipment, such as defective and damaged telephones, wires, switching system components, and associated equipment. - **[Core]** Remove and remake connections to change circuit layouts, following work orders or diagrams. - **[Core]** Demonstrate equipment to customers and explain its use, responding to any inquiries or complaints. - **[Core]** Analyze test readings, computer printouts, and trouble reports to determine equipment repair needs and required repair methods. - **[Core]** Adjust or modify equipment to enhance equipment performance or to respond to customer requests. - **[Core]** Request support from technical service centers when on-site procedures fail to solve installation or maintenance problems. - **[Core]** Remove loose wires and other debris after work is completed. - **[Core]** Assemble and install communication equipment such as data and telephone communication lines, wiring, switching equipment, wiring frames, power apparatus, computer systems, and networks. - **[Core]** Communicate with bases, using telephones or two-way radios to receive instructions or technical advice, or to report equipment status. - **[Core]** Collaborate with other workers to locate and correct malfunctions. - **[Core]** Review manufacturer's instructions, manuals, technical specifications, building permits, and ordinances to determine communication equipment requirements and procedures. - **[Core]** Test connections to ensure that power supplies are adequate and that communications links function. - **[Core]** Climb poles and ladders, use truck-mounted booms, and enter areas such as manholes and cable vaults to install, maintain, or inspect equipment. - **[Core]** Refer to manufacturers' manuals to obtain maintenance instructions pertaining to specific malfunctions. - **[Core]** Run wires between components and to outside cable systems, connecting them to wires from telephone poles or underground cable accesses. - **[Core]** Remove and replace plug-in circuit equipment. - **[Core]** Clean and maintain tools, test equipment, and motor vehicles. - **[Core]** Maintain computer and manual records pertaining to facilities and equipment. - **[Core]** Perform database verifications, using computers. - **[Core]** Dig holes or trenches as necessary for equipment installation and access. - **[Supplemental]** Drive crew trucks to and from work areas. - **[Supplemental]** Designate cables available for use. - **[Supplemental]** Route and connect cables and lines to switches, switchboard equipment, and distributing frames, using wire-wrap guns or soldering irons to connect wires to terminals. - **[Supplemental]** Program computerized switches and switchboards to provide requested features. - **[Supplemental]** Diagnose and correct problems from remote locations, using special switchboards to find the sources of problems. - **[Supplemental]** Install updated software and programs that maintain existing software or provide requested features, such as time-correlated call routing. - **[Supplemental]** Enter codes needed to correct electronic switching system programming. - **[Supplemental]** Address special issues or situations, such as illegal or unauthorized use of equipment, or cases of electrical or acoustic shock. - **[Supplemental]** Examine telephone transmission facilities to determine requirements for new or additional telephone services. - **[Supplemental]** Determine viability of sites through observation, and discuss site locations and construction requirements with customers. - **[Supplemental]** Perform routine maintenance on equipment, including adjusting and lubricating components and painting worn or exposed areas. - **[Supplemental]** Measure distances from landmarks to identify exact installation sites for equipment. - **[Supplemental]** Clean switches and replace contact points, using vacuum hoses, solvents, and hand tools. - **[Supplemental]** Install telephone station equipment, such as intercommunication systems, transmitters, receivers, relays, and ringers, and related apparatus, such as coin collectors, telephone booths, and switching-key equipment. - **[Supplemental]** Provide input into the design and manufacturing of new equipment. ## Detailed work activities - Adjust equipment to ensure optimal performance. - Advise others on issues related to repairs, installation, or equipment design. - Analyze test or performance data to assess equipment operation. - Assemble electrical components, subsystems, or systems. - Clean equipment, parts, or tools to repair or maintain them in good working order. - Clean work areas. - Climb equipment or structures to access work areas. - Confer with coworkers to resolve equipment problems. - Connect electrical components or equipment. - Determine types of equipment, tools, or materials needed for jobs. - Dig holes or trenches. - Document operational activities. - Drive trucks or other vehicles to or at work sites. - Enter codes or other information into computers. - Explain use of products or services. - Gather information about work conditions or locations. - Inspect telecommunications equipment to identify problems. - Install electrical components, equipment, or systems. - Install programs onto computer or computer-controlled equipment. - Interpret blueprints, specifications, or diagrams to inform installation, development or operation activities. - Investigate legal issues. - Lubricate equipment to allow proper functioning. - Maintain work equipment or machinery. - Measure distances or dimensions. - Paint surfaces or equipment. - Read technical information needed to perform maintenance or repairs. - Repair electrical components. - Repair electronic equipment. - Rewire electrical or electronic systems. - Run wiring to connect equipment. - Service vehicles to maintain functionality. - Test communications equipment to ensure proper functioning. - Test electrical circuits or components for proper functioning. - Troubleshoot equipment or systems operation problems. - Verify information or specifications.