1-36
J
ULY
2013
Glossary
General Information
Specific
Hardware
Hardware not included within the Family or Core Hardware (hardware
unique to a specific version of the platform)
SPI
Serial Peripheral Interface Bus
SRAM
Static Random Access Memory
SSC
System Support Center
Standby Site
Controller
A Site Controller which does not have control of the external interfaces
shared by redundant Site Controllers. Also referred to as being in the
“Standby” state or “Offline”.
STP
Spanning Tree Protocol
SVF
Serial Vector Format: a vendor-specific format for exchanging descriptions
of high-level IEEE 1149.1 bus operations.
T4DR
Time 4 Divisor Register
TAP
Test Access Port
TDM
Time Division Multiplexed
TETRA
Terrestrial Trunked Radio
Transceiver
Option Card
An optional board that attaches to the control board for conventional base
radio operation.
TSEC
Three-Speed Ethernet Controller (10/100/1000)
UART
Universal Asynchronous Receiver/Transmitter
UPM
User Programmable Machine
VLAN
Virtual Local Area Network
WAN
Wide Area Network
WB-HSD
Wide-Band High Speed Data
XHub
Expansion Hub
WEEE
Waste of Electrical and Electronic Equipment: A European Union standard
governing materials not acceptable for disposal in household waste
XCVR
Transceiver: refers to the complete transceiver FRU or the Transceiver
Board within the Transceiver FRU
XMC
Switched Card - An evolution of the PMC card that is capable of supporting
Serial RapidIO, Parallel RapidIO and PCI Express.
Table 1-20
Acronyms and Abbreviations (continued)
Acronym/
Abbreviation
Definition