Product Description

nanoBTS Product Description Introduction
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RACH Random Access Channel
RSL Radio Signalling Link
SABM
Set Asynchronous Block Mode (a message indicating the establishment
of the radio data link)
SACCH Slow Associated Control Channel
SCH Synchronisation Channel
SDP
Software Download Package (proprietary format for software download
to the BTS)
SI System Information
SMS-CB Short-message service – cell-broadcast
SMS-PP Short-message service – point-to-point
SNMP Simple Network Management Protocol
SoLSA Support of Local Service Area
TA
Type Approval (an obsolete term used to signify testing against the
harmonised 3GPP compliance specifications for the purposes of CE
marking)
TCU
Timing and Control Unit (a subsystem of the nanoBTS baseband
processor)
TFTP Trivial File Transfer Protocol
TIB Timing Interface Bus
TRX Transceiver
UL Underwriters Laboratory
ULM Uplink Master (baseband processor responsible for receive processing)
ULS
Uplink Slave (baseband processor – controlled by ULM – also performing
receive processing)
VBS Voice Broadcast Services
VGCS Voice Group Call Services