Transcoding
Transcoders (XCDR)
provide the interface for the E1 (or converted T1) links between the
MSC and the BSC.
The XCDR performs the transcoding/rate adaption function which
converts the information on the trunks to 16 kbit/s.
Each trunk requires a quarter (1/4th) of a 64 kbit/s circuit between the RXCDR and
BSC.
Each control link (RSL, OML,XBL,C7) requires one 64 kbit/s circuit.
RSL and XBL have the option of using 16 kbit/s circuits
provide the interface for the E1 (or converted T1) links between the
MSC and the BSC.
The XCDR performs the transcoding/rate adaption function which
converts the information on the trunks to 16 kbit/s.
Each trunk requires a quarter (1/4th) of a 64 kbit/s circuit between the RXCDR and
BSC.
Each control link (RSL, OML,XBL,C7) requires one 64 kbit/s circuit.
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