Rainbow Electronics DS26519 - Manual (Page 250)

DS26519 16-Port T1/E1/J1 Transceiver
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10.5 LIU Register Definitions
Table 10-18. LIU Register Set
ADDRESS NAME DESCRIPTION R/W
1000h LTRCR LIU Transmit Receive Control Register R/W
1001h LTIPSR LIU Transmit Impedance and Pulse Shape Selection Register R/W
1002h LMCR LIU Maintenance Control Register R/W
1003h LRSR LIU Real Status Register R
1004h LSIMR LIU Status Interrupt Mask Register R/W
1005h LLSR LIU Latched Status Register R/W
1006h LRSL LIU Receive Signal Level Register R
1007h LRISMR LIU Receive Impedance and Sensitivity Monitor Register R/W
1008h LRCR LIU Receive Control Register R/W
1009h–101Fh — Reserved —
Note: Reserved registers should only be written with all zeros.