O
O1GAB 1-Port Gigabit Ethernet Interface Unit ( Single-mode, medium distance) 單模10km-SC接口-1路1000M以太網(wǎng)光接口板
ODB Operator Determined Barring 運營者決定的閉鎖
OCCCH ODMA Common Control Channel ODMA公共控制信道
ODCCH ODMA Dedicated Control Channel ODMA專用控制信道
ODCH ODMA Dedicated Channel ODMA專用信道
ODCH ODMA Dedicated Transport Channel ODMA專用傳輸信道
ODMA Opportunity Driven Multiple Access 機會驅(qū)動多址接入
ODTCH ODMA Dedicated Traffic Channel ODMA專用業(yè)務信道
OEM Original Equipment Manufacturer 原設(shè)備制造商
O&M, OM Operations & Maintenance 操作與維護
OMC Operations & Maintenance Center 操作與維護中心
OPC Originating Point Code 源信令點編碼
ORACH ODMA Random Access Channel ODMA隨機接入信道
OSI Open System Interconnection 開放系統(tǒng)互連
OSPF Open Shortest Path First 開放最短路徑優(yōu)先路由協(xié)議
OVSF Orthogonal Variable Spreading Factor (codes) 正交可變擴頻因子(碼)
O1GAB 1-Port Gigabit Ethernet Interface Unit ( Single-mode, medium distance) 單模10km-SC接口-1路1000M以太網(wǎng)光接口板
ODB Operator Determined Barring 運營者決定的閉鎖
OCCCH ODMA Common Control Channel ODMA公共控制信道
ODCCH ODMA Dedicated Control Channel ODMA專用控制信道
ODCH ODMA Dedicated Channel ODMA專用信道
ODCH ODMA Dedicated Transport Channel ODMA專用傳輸信道
ODMA Opportunity Driven Multiple Access 機會驅(qū)動多址接入
ODTCH ODMA Dedicated Traffic Channel ODMA專用業(yè)務信道
OEM Original Equipment Manufacturer 原設(shè)備制造商
O&M, OM Operations & Maintenance 操作與維護
OMC Operations & Maintenance Center 操作與維護中心
OPC Originating Point Code 源信令點編碼
ORACH ODMA Random Access Channel ODMA隨機接入信道
OSI Open System Interconnection 開放系統(tǒng)互連
OSPF Open Shortest Path First 開放最短路徑優(yōu)先路由協(xié)議
OVSF Orthogonal Variable Spreading Factor (codes) 正交可變擴頻因子(碼)