
DS26518 8-Port T1/E1/J1 Transceiver 
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10.1.2 Framer Register List 
Table 10-3. Framer Register List 
Note that only Framer 1 address is presented here. The same set of registers definitions applies for transceivers 2 to 8 in accordance with the 
DS26518 map offsets. Transceiver offset is [(n - 1) x 200 hex], where n designates the transceiver in question. 
FRAMER REGISTER LIST 
ADDRESS 
000h 
001h 
002h 
003h 
004h–00Fh 
010h 
011h 
012h 
013h 
NAME 
E1RDMWE1
E1RDMWE2
E1RDMWE3
E1RDMWE4
— 
RHC
RHBSE
RDS0SEL
RSIGC
T1RCR2
E1RSAIMR
T1RBOCC
— 
RIDR1
RIDR2 
RIDR3 
RIDR4 
RIDR5 
RIDR6 
RIDR7 
RIDR8 
RIDR9 
RIDR10 
RIDR11 
RIDR12 
RIDR13 
RIDR14 
RIDR15 
RIDR16 
RIDR17 
RIDR18 
RIDR19 
RIDR20 
RIDR21 
RIDR22 
RIDR23 
RIDR24 
T1RSAOI1
RIDR25
T1RSAOI2
RIDR26
T1RSAOI3
RIDR27
RIDR28 
T1RDMWE1
RIDR29
T1RDMWE2
DESCRIPTION 
R/W 
R/W 
R/W 
R/W 
R/W 
— 
R/W 
R/W 
R/W 
R/W 
E1 Receive Digital Milliwatt Enable Register 1 
E1 Receive Digital Milliwatt Enable Register 2 
E1 Receive Digital Milliwatt Enable Register 3 
E1 Receive Digital Milliwatt Enable Register 4 
Reserved 
Receive HDLC Control Register 
Receive HDLC Bit Suppress Register  
Receive Channel Monitor Select Register 
Receive-Signaling Control Register 
Receive Control Register 2 (T1 Mode) 
Receive Sa-Bit Interrupt Mask Register (E1 Mode) 
Receive BOC Control Register (T1 Mode Only) 
Reserved 
Receive Idle Code Definition Register 1 
Receive Idle Code Definition Register 2 
Receive Idle Code Definition Register 3 
Receive Idle Code Definition Register 4 
Receive Idle Code Definition Register 5 
Receive Idle Code Definition Register 6 
Receive Idle Code Definition Register 7 
Receive Idle Code Definition Register 8 
Receive Idle Code Definition Register 9 
Receive Idle Code Definition Register 10 
Receive Idle Code Definition Register 11 
Receive Idle Code Definition Register 12 
Receive Idle Code Definition Register 13 
Receive Idle Code Definition Register 14 
Receive Idle Code Definition Register 15 
Receive Idle Code Definition Register 16 
Receive Idle Code Definition Register 17 
Receive Idle Code Definition Register 18 
Receive Idle Code Definition Register 19 
Receive Idle Code Definition Register 20 
Receive Idle Code Definition Register 21 
Receive Idle Code Definition Register 22 
Receive Idle Code Definition Register 23 
Receive Idle Code Definition Register 24 
Receive-Signaling All-Ones Insertion Register 1 (T1 Mode Only) 
Receive Idle Code Definition Register 25 (E1 Mode) 
Receive-Signaling All-Ones Insertion Register 2 (T1 Mode Only) 
Receive Idle Code Definition Register 26 (E1 Mode) 
Receive-Signaling All-Ones Insertion Register 3 (T1 Mode Only) 
Receive Idle Code Definition Register 27 (E1 Mode) 
Receive Idle Code Definition Register 28 (E1 Mode) 
T1 Receive Digital Milliwatt Enable Register 1 (T1 Mode Only) 
Receive Idle Code Definition Register 29 (E1 Mode) 
T1 Receive Digital Milliwatt Enable Register 2 (T1 Mode Only) 
014h 
R/W 
015h 
R/W 
— 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
R/W 
016h–01Fh 
020h 
021h 
022h 
023h 
024h 
025h 
026h 
027h 
028h 
029h 
02Ah 
02Bh 
02Ch 
02Dh 
02Eh 
02Fh 
030h 
031h 
032h 
033h 
034h 
035h 
036h 
037h 
038h 
R/W 
039h 
R/W 
03Ah 
R/W 
03B 
— 
03C 
R/W 
03Dh 
R/W