BACKBONE COMMUNICATION SYSTEMS Physical Networking - Optical Fiber Networks, Structured Cabling, Optical transport backbone -SDH/PDH, XWDM, Radio Systems Microwave, VHF, UHF, TETRA, VSAT systems IP Networks - Legacy L2/L3 Ethernet, MPLS SURVEILLANCE SYSTEM CCTV PA/GA Access Control System Intrusion Detection System, etc IN PLANT COMMUNICATION SYSTEM PABX System Video Conferencing VOIP WI-FI
