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Mobile backhaul connections: Link the cell site BTS/NodeBs and the controller site BSC/RNCs

(cellular or WiMAX), including links throughhub points

• PDH: Standard copper and fiber PDH connection, at a speed of 1.5M-2.0M (or multiplexed

together into T3/E3/J3 at 34M-45M), not using IP/Ethernet equipment

• ATM over PDH: ATM over 1 or more PDH circuits, including use of IMA; includes T1/E1/J1 and

T3/E3/J3

• SONET/SDH and WDM: Standard SONET, SDH, or WDM connection

• Ethernet copper: Copper connections using Ethernet as the transmission medium via IP/Ethernet

equipment, includes Ethernet used to transportIP/MPLS/pseudowire protocols

• Ethernet fiber: Fiber connections using Ethernet as the transmission medium via IP/Ethernet

equipment, includes Ethernet used to transport IP/MPLS/pseudowire protocols

• DSL: Copper connection using any standard version of DSL

• PON: Fiber connection using any standard version of PON

• Coax cable: Connection using standard Hybrid Fiber Cable (HFC) plant

• Microwave radio: Wireless radio connection using microwave of any frequency, licensed or

unlicensed, including millimeter wave

• Ethernet: Transmission uses Ethernet protocol; includes Ethernet microwave and the Ethernet part

of Dual TDM/ Ethernet microwave

• TDM: Transmission uses PDH or SDH protocol; includes TDM microwave and the TDM part of Dual

TDM/Ethernet microwave

• WiMAX: Wireless radio connection using fixed and mobile WiMAX

• Satellite: Wireless connection using satellite technology

• IP mobile backhaul connections: The portion of the installed base of backhaul connections that

use IP protocol; includes Ethernet copper and fiber, DSL, PON, coax cable, Ethernet microwave, and

WiMAX

• Pseudowire enabled connections: IP connections using IETF PWE3 pseudowire technology

• Not pseudowire enabled connections: IP connections not using IETF PWE3 pseudowire technology

• Copper: PDH, Ethernet copper, DSL, coaxial cable

• Fiber: PDH, SDH, Ethernet fiber, PON

• Air: Any of microwave, WiMAX, satellite

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c at e g o ry d e f i n i t i o n s

Mobile backhaul equipment: Used for transporting mobile traffic (cellular and WiMAX) between the

cell site BTS/NodeB and the controller site BSC/RNCs, including equipment used in hub points

• PDH NIU: Standard copper and fiber PDH NIU (network interface unit) at a speed of T1/E1/J1 (or 

1.5M-2.0M), or multiplexed together into T3/E3/J3 at 34M-45M; does not use IP/Ethernet equipment

• ATM terminals, cell site, gateways, and switches: Includes ATM terminals and ATM cell site

gateways with PDH ports and IMA capabilities; includes ATM over T1/E1/J1 and T3/E3/J3; does not

include Ethernet cell site gateways or IP routers with ATM capability (these are counted in

Ethernet cell site gateways and routers)

• SONET/SDH and WDM: Includes standard SONET or SDH terminals, ADMs, and switches; includes

MSPPs; metro WDM transport equipment

• Ethernet cell site gateways and MBH routers: Designed for cell site use or for mobile backhaul traffic

aggregation, with Ethernet interfaces for copper and/or fiber; may include ATM capability

• Cell site gateways: Have Ethernet interfaces for copper and/or fiber; includes Ethernet switches and

EADs (Ethernet access devices)

• Copper only: Have Ethernet interfaces for copper NxT1/E1/J, NxT3/E3/J3, or EFM bonded copper;

includes EFM bonded copper EADs and PDH bonded circuits EADs

• Fiber: Have Ethernet fiber interfaces and may have copper interfaces ; includes CES and fiber EADs  

• MBH routers: IP edge routers with Ethernet interfaces for copper and/or fiber  

• DSL modems and DSLAMs: Includes DSL modems and DSLAMs using any DSL type  

• EPON/GPON: Includes ONTs and OLTs using EPON or GPON 

• Coax cable modems and CMTS: Includes data-only cable interfaces that support standard,

unbonded ports or wideband, bonded ports, and CMTS, which aggregate and terminate cable lines

deployed at cable operator headends

• Microwave radio: Wireless radio equipment using microwave of any frequency, licensed or 

unlicensed; includes millimeter wave

• TDM: Radio transmitters/receivers that send/receive microwave signals using TDM (PDH or SDH)

as the transmission protocol; cannot operateusing Ethernet

• Dual Ethernet/TDM equipment: Radio transmitters/receivers that send/receive packet microwave

signals using packet Ethernet as the transmission protocol; may also operate using PDH/SDH (dual

mode radios)

• Ethernet equipment: Radio transmitters/receivers that send/receive packet microwave signals using

packet Ethernet as the transmission protocol (not Ethernet over PDH or SDH)

• WiMAX base stations: Includes WiMAX 802.16 standard and pre-standard base stations

• Satellite modems and routers: Modems and routers that connect a base station to a VSAT or a

VSAT to a BSC; includes VSATs

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• IP mobile backhaul equipment: Equipment that uses the IP protocol; includes Ethernet copper and

fiber, DSL, PON, coax cable, Ethernet microwave, and WiMAX

• Pseudowire enabled: The portion of IP equipment supporting IETF PWE3 pseudowire technology  

• Not pseudowire enabled: The portion of IP equipment not support ing IETF PWE3 pseudowire

technology