VSC6134
Datasheet
3.3.18
J0 Monitor Control Register
Address:
0xCA0: Add Path
0x4A0: Drop Path
0x4800
Register Reset Value:
Table 127. J0 Monitor Control Register
Reset
Value
Bit
Name
Access
Description
15:13
J0_REPEAT
R/W
The number of repetitions needed before a new J0
message is considered valid.
010
12:11
J0_PATTERN
R/W
00: The start of the J0 message is not detected.
01: The SONET format is used to detect the start of the
J0 message. The first byte in the message comes after a
CR (0x0D) character followed by a LF (0x0A) character.
10: The SDH format is used to detect the start of the
J0 message. The first byte of the message is the byte with
a 1 in the MSB.
01
11: Disable J0 monitoring.
10
9
J0_LENGTH
J0_MODE
R/W
R/W
0: 16-byte message length.
1: 64-byte message length.
0
0
0: The received message is compared against the last valid
message.
1: The received message is compared against a
programmed message.
NOTE: J0_PATTERN = 00 is not supported when
J0_MODE =’1’.
8:0
Reserved
R/W
0x000
239 of 438
VMDS-10185 Revision 4.0
July 2006
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
