- GSM = Global System Mobile
- CDMA = Code Division Multiplex Access
- WCDMA = Wireless Code Division Multiplex Access
- BTS = Base Transceiver Station
- ATS = Auto Transfer Switch
- ODF = Optical Distribution Frame
- DDF = Digital Distribution Frame
- MDF = Main Distribution Frame
- FOM = Fiber Optic Modem
- RIC = Reduce Interface Converter
- UPS = Un-interruptible Power System
- DWDM = Dense Wavelength Division Multiplexer
- FDF = Fiber Distribution Frame
- XDM = Cross Connect Digital Multiplexer
- SDM = Synchronous Digital Multiplexer
- SDH = Synchronous Digital Hierachy
- PDH = Plexiochronous Digital Hierachy
- ISDN = Integrated Service Digital Network
- DSNI = Digital Switching Network Interface
- BRI/A = Basic Rate Interface/Access
- PRI/A = Primary Rate Interface/Access
- MCP = Multiplexer Control Processor
- COM = Communication Card
- AMU = Alarm and Maintainance Unit
- TR = Tributary Card
- AIR = Aggregates (TX:RX)
- CPI = Common Power Unit
- NVM = Non-volatime Memory
- SPU = SDH Processor Unit
- RSOH = Regenerator Section Over Head
- MSOH = Multiplexer Section Over Head
- ASF = Aggre SDH Formatting
- BIM = Bus Interface Matrix
- FCU = Fan Control Unit
- TMU = Timing Module Unit
- TEX = Tributary Extension Card
- UTP = Unshield Twisted Pair
- NIC = Network Interface Card
- LAN = Local Area Netwrok
- WAN = Wide Area Network
- MAN = Metropoliton Area Network
- NMS = Network Management System
- WWW = World Wide Web
- RAM = Random Access Memory
- HLXC = High/Low Cross Connect
- XCMP = XSM Main Control Processor
- CCM = Cross Connect Matrix
- MECP = Main Equipment Control Processor
- ASLC = Analog Subscriber Line Card
- FASL = Far Analog Subscriber Line Card
- DSLC = Digital Subscriber Line Card
- MTT = Multi Task Test
- SP = Subscriber Processor
- SPI = Subscriber Processor Interface
- TDSL = Test Digital Subscriber Line
- SYCK = Synchronization Clock
- SPI = Subscriber Processor Interface
- TDSL = Test Digital Subscriber Line
- SYCK = Synchronization Clock
- CKI = Clock Interface
- CDB = Co
- CDB = Control Daughter Board
- PMSP = Peripheral Multifunction Subscriber Processor
- DSN = Digital Switching Network
- FBI = Fiber Bus Interface
- MP = Main Processor
- STB = Signalling Transfer Band
- PEPD = Peripheral Enviroment Parameter Detection
- MON = Monitaring
- PEPD+MON = PMON
- DTI = Digital Trunk Interface
- DTI+SP = PMSP
- ASIG = Analog Signalling Unit
- SMEM = Shared Memory
- OTD = Optical Digital Trunk
- RSU = Remote Subscriber Unit
- CSCB = Centeral Supervision Control Box
- EPABX = Electronic Private Auto Branch Exchange
- IntOF = Inter Connection on Optical Fiber
- CPU 5 = Stop 5 Control Processing Unit
- MMSFD = Mass Memory Support Floppy Drive
- RMAB = Remote Maintainance Access Board
- VG = Voice Guide
- R2CAS = Channel Associated Signalling
- CCS.7 = No-7 Common Channel Signalling
- PCM = Pass Code Modulation
- SNM = Switching Network Module
- MSM = Message Switching Module
- OMM = Operation Maintainance Module
- NRZ = Non-Return Zero
- HDB3 = High Density Bipolar -3
- PSMX = Peripheral Switching Module
- DTMF = Dual Tone Multi Frequency
- MFC = Multi Frequency Compelled
- CID = Caller Identification Display
- CONF = Confrence
- ADM = Add and Drop Multiplexer
- OTDR = Optical Time Domain Reflectometer
မွတ္စုအျဖစ္မွတ္သားထား ျခင္းျဖစ္ပါသည္။
