xrt94l33 Exar Corporation, xrt94l33 Datasheet - Page 374

• Manufacturer Part Number: xrt94l33
• Description: Multi-channel, Multi-function Device Aggregates 3 Ds3/e3/sts-1 Into Oc3/stm-1
• Manufacturer: Exar Corporation

XRT94L33
Rev.1.2.0.
Receive STS-3 Transport – Receive SF Set Monitor Interval – Byte 2 (Address = 0x1131)
Receive STS-3 Transport – Receive SF Set Monitor Interval – Byte 1 (Address = 0x1132)
Receive STS-3 Transport – Receive SF Set Monitor Interval – Byte 0 (Address = 0x1133)
Notes:
The “Receive STS-3 Transport – Receive SF Set Monitor Interval – Byte 2, Byte 1 and Byte 0” registers permit the user to
The actual length of time that the Receive STS-3 TOH Processor block will use (to accumulate B2 errors) to declare the
E
Suppose that the user writes in the value “0x000F” into the “Receive STS-3 Transport – Receive SF Set
Threshold” Registers; as depicted below.
Receive STS-3 Transport – Receive SF SET Threshold – Byte 1 (Address = 0x1136)
Receive STS-3 Transport – Receive SF SET Threshold – Byte 0 (Address = 0x1137)
Additionally, now suppose that the user writes in the value “0x000010” into the “Receive STS-3 Transport –
Receive SF Set Monitor Interval” Registers; as depicted below.
Receive STS-3 Transport – Receive SF Set Monitor Interval – Byte 2 (Address = 0x1131)
XAMPLE OF
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
write in a 24-bit expression for the “SF Set Interval”. The number that is written into these registers represents the
duration of the “SF Set Interval” period, in terms of SONET frame periods.
SF condition is eight times the value written into these registers.
IT
IT
IT
IT
IT
0
0
0
0
0
7
7
7
7
7
D
EFINING THE
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
0
6
6
6
6
6
SF D
ECLARATION
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
0
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
5
5
5
5
5
SF_SET_MONITOR_WINDOW[23:16]
SF_SET_MONITOR_WINDOW[15:8]
SF_SET_MONITOR_WINDOW[7:0]
SF_SET_THRESHOLD[15:8]
SF_SET_THRESHOLD[7:0]
C
RITERIA
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
0
4
4
4
4
4
– SF I
374
NTERVAL
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
1
3
3
3
3
3
D
ETECTOR
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
1
2
2
2
2
2
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
1
1
1
1
1
1
xr
B
B
B
B
B
R/W
R/W
R/W
R/W
R/W
IT
IT
IT
IT
IT
0
0
0
0
1
0
0
0
0
0