PA Preamble PACS Personal Access Communications System PAD Packet Assembler-Disassembler PAL Phase Alternating by Line PAN Personal Area Network PAP Password Authentication Protocol PB Petabyte (l,000,000,000,000,000 bytes) PBX Private Branch Exchange PC Personal Computer PCB Printed Circuit Board PCH Paging Channel PCI Peripheral Component Interface PCM Pulse Code Modulation PCN Personal Communications Networks PCS Personal […]
OAM Operations, Administration, Management OAM&P Operations, Administration,Maintenance and Provisioning OC Optical Carrier OC-1 Optical Carrier Signal-Level 1 (51.84 Mbps) OC-3 Optical Carrier Signal-Level 3 (155.52 Mbps) OC-9 Optical Carrier Signal-Level 9 (466.56 Mbps) OC-12 Optical Carrier Signal-Level 12 (622.08 Mbps) OC-18 Optical Carrier Signal-Level 18 (933.12 Mbps) OC-24 Optical Carrier Signal-Level 24 (1.244 Gbps) OC-36 […]