ABSTRACT
OA: Office Automation. OADM: Optical Add-Drop Multiplexer. OA&M: Operations, Administration and Maintenance. O&M: Operations and Maintenance. OAM: Operations, Administration and Maintenance. OATS: Open Area Test Site. object code: Computer programme which can be executed by a computer,
usually produced as an output from a compiler or an assembler. OC: Optical Carrier. OCC: Other Common Carrier. OCR: Optical Character Recognition. octal: A number system which uses the base of eight. For example, Table
O.1 gives the decimal and octal equivalents for numbers up to decimal 15.
