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68P64115A21–B
Acronym
SC4812TX
An expansion frame version of the SC4812T–series BTS equipped with trunked RF
power amplifiers and no receiver antenna ports.
SCAP
Super Cell Application Protocol
SPLC
Switch Parallel Linear Amplifier Combiner
split backhaul
Backhaul serving a network in which IS–95A/B traffic and 1X data traffic are mixed on
circuit backhaul from CDMA2000 1X BTSs. 1X data traffic is "split" from IS–95A/B on
a single span by being transported on DS0 time slots dedicated to a "packet pipe."
IS–95A/B traffic is transported on the remaining DS0 time slots. Split backhaul on a
single span must be connected to a Digital Access and Cross–connect System (DACS)
which directs IS–95A/B traffic to the CBSC XC and 1X data traffic to the Access Node
(AN), as required. If a DACS is not used, a CDMA2000 1X BTS must be equipped with
separate spans for 1X data packet and IS–95A/B voice/data traffic, respectively. The 1X
data packet–dedicated span would connect directly to the AN. The IS–95A/B–only span
would connect directly to the CBSC XC.
SNI
Serial Network Interface
STRAU
SC 9600 Transcoder/Rate Adaption Unit
TCH
Traffic Channel
TSI
Time Slot Interchanger
TX Filter
Transmit filter
UTC
Universal Time Coordinates
VWIC
Voice Wide Area Network Interface Card
WIC
WAN Interface Card (also VWIC)
Sept 2003
Table 1-2: Abbreviations and Acronyms
1X SC 4812T-MC Multicarrier BTS Optimization/ATP
Terms and Abbreviations
Definition
1
1-17
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