RTL8208B-LF/RTL8208BF-LF
Datasheet
6.10. Port1 Register30: Cable Status Register
Table 20. Port1 Register30: Cable Status Register
Description
Reg. bit Name
Type
Default
15
RTCT_RDY
1: Cable test status is ready
RO
0
0: Cable test status is not ready
14
13:12
Reserved
Status
RO
RO
0
00
Cable tester status.
00: Normal cable
01: Open in cable
10: Short in cable
11: Reserved
11:9
8:0
Reserved
Distance
RO
RO
0
0
Distance of Reflection.
RTCT_RDY – This bit will return a ‘1’ if the cable test process has been completed and the contents of
Status and Distance are valid.
Status – Cable test status is valid after completion of cable test process.
Distance – These bits (in decimal) divided by 4 equal the approximate distance (meters) to the open/short
fault location.
These bits are valid after completion of the cable test process.
Single-Chip Octal 10/100-TX/FX PHY Transceiver
25
Track ID: JATR-1076-21 Rev. 1.3
REALTEK [ Realtek Semiconductor Corp. ]
