1： VEIP ： Virtual Ethernet Interface Point， 可以认为是GPON系统中， 对于LAN侧业务流得抽象上行端口。
2： OMCI: ONU management and control interface.
(1) specifies the managed entities of a protocal-independent management information base(MIB).
(2) covers the ONU management and control channel, protocol and detailed messages.
3: MIB: management information base.
4: OLT: Optical Line Termination.
5: ONU: Optical Network Unit.
6: MoCA: multimedia over coax alliance
7: Circuit emulation service: 电路仿真业务.
8: ANI: access node interface.
9: T-CONT： transmission container.
10: GEM: Gigabit-capable passive optical network encapsulation method, G.984. Unless explicitly stated otherwise, this term also refers generically to XGEM
encapsulation in G.987 XG-PON.
11: GPON: Gigabit-capable passive optical network.
12: CTP: Connetction Termination Point.
13: GAL: GEM adaptation layer.
14: FEC: Forward error correction.
15: MD: Maintenance domain.
16: MEP: Maintenance association end point.
17: CCM: Continuity check message.
18: CFM: Configuration fault management.
19: PM: Performance Monitoring.
20： UNI: User Network Interface.
21: VCI: Virtual circuit interface.
22: VDSL: Very high speed Digital subscriber line. (subscriber, user.)
23: VID: Virtual local area network Identifier.
24: VLAN: Viertual Local Area Network.
25: VP: Virtual Path.
26: VPI: Virtual path identifier.
27: VPN: Virtual Private Network.
28: VRP: Video Return Path.
29: VTU-O: Very high speed digital subscriber line transceiver unit, operator end.
VTU-R: Remote end.
30: WFQ: Weighted Fair Queuing : 加权管理算法， 是一种拥塞管理算法。
31： WRR: Weighted Round Robin: 加权循环调度算法，
32： xTU-C: x digital subscriber line Transceiver unit at the central office end.
XTU-R： remote end.
33: TC: Transmission Convergence. 传输汇聚。
34： impulse nose: 脉冲噪声。
35： TDM: time division multiplex.
36: pseudowire termination point: 伪终端。
37： RTP: Real Time Protocal.
38: MPLS: Multi-Protocal Label Switching.
39: POTS: Plain Old Telephone Servcice.
40: PPTP: Physical Path termination point.
41: RE: Reach Extender.
42: