XRT82L24A Datasheet, PDF (15/39 Pages) Exar Corporation – QUAD E1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

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XRT82L24A
QUAD E1 LINE TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. 1.1.2
“
FIGURE 6. DIGITAL LOCAL LOOP-BACK WITH OPTION TO TRANSMIT ALL “ONES” TO THE LINE (JA SELECTED & IN
RECEIVE PATH)
TxPOS
TxNEG
TxClk
RxClk
RxPOS
RxNEG
Encoder
Decoder
TAOS
Timing
Control
Tx
TTIP
TRing
JA
Clock &
Data
RTIP
Rx
Recovery
RRing
FIGURE 7. DIGITAL LOCAL LOOP-BACK WITH OPTION TO TRANSMIT ALL “ONES” TO THE LINE (JA SELECTED & IN
TRANSMIT PATH)
TxPOS
TxNEG
TxClk
RxClk
RxPOS
RxNEG
Encoder
Decoder
JA
Timing
Control
TAOS
Clock &
Data
Recovery
Tx
Rx
TTIP
TRing
RTIP
RRing
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