參數(shù)資料
型號(hào): LXT363QE
英文描述: PCM TRANSCEIVER|SINGLE|T-1(DS1)|CMOS|QFP|44PIN|PLASTIC
中文描述: 的PCM收發(fā)器|單|的T 1(DS1的)|的CMOS | QFP封裝| 44PIN |塑料
文件頁數(shù): 19/52頁
文件大?。?/td> 1187K
代理商: LXT363QE
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
LXT361
Datasheet
19
3.5.1.3
Remote Loopback
See
Figure 7
. In Remote loopback (RLOOP) mode, the device ignores the transmit data and clock
inputs (TCLK and TPOS/TNEG or TDATA), and bypasses the in-line encoders/decoders. The
RPOS/RNEG or RDATA outputs loop back through the transmit circuits to TTIP and TRING at the
RCLK frequency. The RLOOP command does not affect the receiver circuits which continue to
output the RCLK and RPOS/RNEG or RDATA signals received from the twisted-pair line.
RLOOP is selected by writing a 1 to bit CR2.ERLOOP.
3.5.1.4
Network Loopback
Network loopback (NLOOP) can be initiated only when the Network loopback detect function is
enabled. Writing a 1 to CR2.ENLOOP enables NLOOP detection.
Figure 6. Analog Loopback
Figure 7. Remote Loopback
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