I need the Chegg platform to proofread the content below for clarity, ambiguity, and precision, check for spelling and grammar errors, verify facts, and refine the language to be exact and specific. Field Engineering: Experience in maintaining the following Telecommunications related infrastructure: ETSI rack, AC/DC power supply, UPS (Battery backup), Krone Frames, Patch Panels, CW1308, STP, UTP, Single and Multi-mode optical cables. This includes the use of cabling, crimping and termination tools with experience in LOA, quotation for Data Centre colocation, patching and meet-me-room cross connect. SCADA and Telemetry systems including RTU and Westinghouse Scanners and the NOC. I have experience in maintenance of PSTN switches including 64Kbs voice channels, ISDN 30 (voice + data), and associated signalling such as SS7, CAS, DASS including good knowledge of traditional and IP PBX platforms. Experience in maintaining point-to-point microwave links with hands-on use of RF test equipment to ensure fine tunning and stability of the Outdoor Radio Unit (ODU) which connects to the Indoor Unit (IDU) using RF cables. Microwave manufacturers and systems included, Siae, Teletra, DMC, MPR and others. Basic knowledge of microwave link planning, frequency bands based on factors like link distance and required capacity, and then carefully planning the assignment of frequencies to avoid interference. Successfully conducted the first phase of EE's Radio Access Network upgrade using ZTE optical backhaul solution, overcoming multivendor compatibility concerns to enable an extended rollout whilst maintaining EE's multivendor approach. I have coordinated the key stakeholders of EE’s network operations team in Hatfield and ZTE subject matter experts including R&D in China.