XRT83L38 Datasheet, PDF (74/91 Pages) Exar Corporation – OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR

XRT83L38
OCTAL T1/E1/J1 LH/SH TRANSCEIVER WITH CLOCK RECOVERY AND JITTER ATTENUATOR
REV. 1.0.0
TABLE 37: MICROPROCESSOR REGISTER #130, BIT DESCRIPTION
D3
MONITOR_3 Protected Monitoring: With protected monitoring enabled,
R/W
0
the receiver 7 inputs at RTIP_7 and RRING_7 are internally
connected to one of the other seven transmit and receive
channels.Receiver 7 recovers the input data and clock and
output them to RPOS_7/RNEG_7 and RCLK_7 respectively. In
addition, the data to be monitored can be routed to TTIP_7 and
TRING_7 by means of activating Remote Loop-Back for chan-
nel 7.
With MONITOR_[3:0] bits set to “0”, the Protected Monitoring
feature is disabled and the XRT83L38 is configured as an octal
line transceiver.
Protected Monitoring Channel Select
Monitor_3 Monitor_2 _{Monitor_1 Monitor_0}
0
0
0
0
0
0
0
1
0
0
1
0
0
0
1
1
0
1
0
0
0
1
0
1
0
1
1
0
0
1
1
1
1
0
0
0
1
0
0
1
1
0
1
0
1
0
1
1
1
1
0
0
1
1
0
1
1
1
1
0
1
1
1
1
Selection
No Monitoring
Receiver 0
Receiver 1
Receiver 2
Receiver 3
Receiver 4
Receiver 5
Receiver 6
No Monitoring
Transmitter 0
Transmitter 1
Transmitter 2
Transmitter 3
Transmitter 4
Transmitter 5
Transmitter 6
D2
MONITOR_2 Protected Monitoring:
See description for MONITOR_3
D1
MONITOR_1 Protected Monitoring:
See description for MONITOR_3
D0
MONITOR_0 Protected Monitoring:
See description for MONITOR_3
R/W
0
R/W
0
R/W
0
70