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Cisco uBR10012 Universal Broadband Router Software Configuration Guide
OL-1520-06
Preface Terms and Acronyms
DSRdata set ready
DSUdata service unit
DTEdata terminal equipment
DTRdata terminal ready
EMCelectromagnetic compliance
EMIelectromagnetic interference
ESDelectrostatic discharge
FRUfield-replaceable unit (router components that do not require replacement by a Cisco
certified service provider)
FTPfoil twisted-pair
HCCPHot Standby Connection-to-Connection Protocol
HDLCHigh-Level Data Link Control
HFChybrid fiber coaxial
HWIDBhardware interface data block
IPSecIP Security Protocol
KbpsKilo-bits Per Second
LCline card
LCNlogical channel number
LCPline card processor
LLCLogical Link Control
Logical InterfaceA group of one or more upstream and one or more downstream cable ports
MACMedia Access Control
MAPupstream bandwidth allocation map
MBmegabyte
Mbps—Mega-bits per second
MMmultimode
Modemmodulator/demodulator
MPLSMultiprotocol label switching
nrt-VBRnon-real-time variable bit rate
NTSCNational Television Standards Committee
NVRAMnonvolatile random-access memory
OAM AISOperation, Administration, and Maintenance alarm indication signal
OIRonline insertion and removal
PBRpolicy-based routing
PCIperipheral component interconnect bus
PCMCIAPersonal Computer Memory Card International Association
PHSpayload header suppression
PHYPhysical Interface Chip
PPPPoint-to-Point Protocol
PREPerformance Routing Engine
QAMQuadrature Amplitude Modulation
QoSquality of service
QPSKQuadrature Phase Shift Keying
rcpremote copy protocol
RFradio frequency
RFIradio frequency interference
RIPRouting Information Protocol
RISCReduced Instruction Set Computer
ROMread only memory