參數(shù)資料
型號: XRT73L03AIV
廠商: EXAR CORP
元件分類: 數(shù)字傳輸電路
英文描述: 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
中文描述: DATACOM, PCM TRANSCEIVER, PQFP120
封裝: 14 X 20 MM, TQFP-120
文件頁數(shù): 2/62頁
文件大小: 494K
代理商: XRT73L03AIV
XRT73L03A
3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
REV. 2.0.4
2
TYPICAL APPLICATIONS
TRANSMIT INTERFACE CHARACTERISTICS:
Accepts either Single-Rail or Dual-Rail data from
Terminal Equipment and generates a bipolar signal
from the line
Integrated Pulse Shaping Circuit
Built-in B3ZS/HDB3 Encoder (which can be dis-
abled)
Contains Transmit Clock Duty Cycle Correction Cir-
cuit on-chip
Generates pulses that comply with the ITU-T G.703
pulse template (E3 applications)
Generates pulses that comply with the DSX-3 pulse
template as specified in Bellcore GR-499
-CORE
and ANSI T1.102_1993
Generates pulses that comply with the STSX-1
pulse template as specified in Bellcore GR-253-
CORE
Transmitter can be turned off in order to support
redundancy designs
RECEIVE INTERFACE CHARACTERISTICS:
Integrated Adaptive Receive Equalization (optional)
and Timing Recovery
Declares and Clears the LOS defect per ITU-T
G.775 requirements (E3 and DS3 applications)
Meets Jitter Tolerance Requirements as specified in
ITU-T G.823_1993 (E3 Applications)
Meets Jitter Tolerance Requirements as specified in
Bellcore GR-499-CORE (DS3 Applications)
Declares Loss of Signal (LOS) and Loss of Lock
(LOL) Alarms
Built-in B3ZS/HDB3 Decoder (which can be dis-
abled)
Recovered Data can be muted while the LOS Con-
dition is declared
Outputs either Single-Rail or Dual-Rail data to the
Terminal Equipment
Receiver can be powered down in order to con-
serve power in redundancy designs
F
IGURE
2. M
ULTI
C
HANNEL
ATM A
PPLICATION
ATM
Switch/
SAR
XRT72L73
RPOS
RNEG
RxLineClk
XRT71D03
XRT73L03
RRPOS
RRNEG
RRClk
RPOS
RNEG
RxClk
RPOS
RNEG
RxClk
RTIP
RRing
TTIP
TRing
TPOS
TNEG
TxLineClk
MClk
TPOS
TNEG
TxClk
3 Channel DS3 ATM UNI
3 Channel E3/DS3 J/A
3 Channel E3/DS3 LIU
F
IGURE
3. M
ULTI
S
ERVICE
- F
RAME
R
ELAY
A
PPLICATION
Frame
Relay
XRT72L56
RPOS
RNEG
RxLineClk
XRT71D03
XRT73L03
RRPOS
RRNEG
RRClk
RPOS
RNEG
RxClk
RPOS
RNEG
RxClk
RTIP
RRing
TTIP
TRing
TPOS
TNEG
TxLineClk
MClk
TPOS
TNEG
TxClk
6 Channel E3/DS3 Framer
2 x 3 Channel E3/DS3 J/A
2 x 3 Channel E3/DS3 LIU
相關PDF資料
PDF描述
XRT73L03B 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L03BIV 3 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04A 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04AIV 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
XRT73L04B 4 CHANNEL DS3/E3/STS-1 LINE INTERFACE UNIT
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