参数资料
型号: WJLXT361LEA2
厂商: INTEL CORP
元件分类: 数字传输电路
英文描述: DATACOM, PCM TRANSCEIVER, PQFP44
封装: 10 X 10MM, LQFP-44
文件页数: 11/55页
文件大小: 1045K
代理商: WJLXT361LEA2
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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