STANDARD PRODUCT
PM4351 COMET
DATA SHEET
PMC-1970624
ISSUE 10
COMBINED E1/T1 TRANSCEIVER
Register 020H: TX-ELST Configuration
Bit
Type
Function
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
R/W
Reserved
Unused
Unused
Unused
Unused
Unused
IR
0
X
X
X
X
X
1
R/W
R/W
OR
1
Reserved:
This bit must be programmed to logic 0 for correct operation.
IR:
The IR bit selects the input frame format. The IR bit must be set to logic 1 for
E1 mode; it must be logic 0 for T1 mode.
OR:
The OR bit selects the output frame format. The OR bit must be set to logic 1
for E1 mode; it must be logic 0 for T1 mode.
PROPRIETARY AND CONFIDENTIAL
128