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r/
SIERRA SF}TICOI{DUSIOR
sc11210/SC11211 CalleIrdentificatioCnircuit
FEATURES
D 8 pin PDIP Version for Small Size
D Power Down Ciro:itry ! SelectableEnergy Detection
L] Energy Detectioncanbe usedas Call ProgressFilter
D FSKDemodulator
GENERALDESCRIPTION
T h eS C 1 1 2 1a0n d S C l 1 2 1 1a r ea n a log front ends which canbe used to support the Caller Number Delivery (CND) feature in a General Switched Telephone Network (GSTN).Thisserviceis provided by the telephone company and is intendedfor residentialand business telephone customers.It allows called customersto receivea calling party's number during theringing cycle.The data corresponding
to the caller number is transmitted to the customer premises when the telephone is on-hook and a voice path hasbeenestablished.
SC11211 Datasheet
