參數(shù)資料
型號： TMUX03155
英文描述： TMUX03155 STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer
中文描述： TMUX03155 STS-3/STM-1（非盟- 4）復用器/解復用器
文件頁數(shù)： 41/120頁
文件大小： 1542K
代理商： TMUX03155
Agere Systems Inc.
41
Data Sheet
April 2001
TMUX03155 STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer
Maintenance Functions
(continued)
Receive Functions
(continued)
STM-1(AU-4) H4 Multibyte Monitor
The device will monitor the path H4 byte for correct multibyte sequence. Each time the expected value mismatches
with the received value, an event indication is set. When a mismatch occurs, the device accepts the new value plus
1 as the expected value for the next frame. The event and mask bits are
RHSH4MISE
,
RHSH4MISM, 0x0D, 0x16
.
Path Trace Byte (J1) Monitoring
The device will monitor the path trace byte (
RJ1MON[64—1][7:0], 0xC0—0xFF
) on the receive input. Only one J1
byte can be monitored (
J1PSELMON[1:0], 0x56
) out of the three possible J1 bytes. The device will store a 64-byte
sequence and declare a mismatch each time the incoming value does not agree with the stored value (
RJ1MISE,
RJ1MISM, 0x0C, 0x15
).
Path Signal Label (C2) Monitoring
The device will monitor the C2 bytes on the receive input (
RC2MON[3—1][7:0], 0x28, 0x27, 0x26
). After
CNTDC2[3:0], 0x5D
consecutive consistent occurrences of a new C2 byte, the device will notify the control system
(
RC2MOND[3—1], RC2MONM[3—1], 0x0D, 0x16
).
Path FEBE (G1) Byte Error Count
The device will monitor for a path FEBE condition (G1[7:4]) on the input signal. The device will allow access to the
path FEBE errored bit/block (one block is equal to one frame) count (
FEBEBITBLOCKCNT
,
RPFEBECNT[3—1][15:0], 0x34, 0xA7—0xAC
). These counters will update when
LATCH_CNT, 0x04
transitions
from a logic 0 to a logic 1.
Path RDI (Path Yellow (G1[3] or Enhanced Failure Code (G1[3:1])))
The device will monitor the G1 bytes for path yellow condition or for an enhanced failure code (
RRDI_MPYorEFC,
0x55
) on the receive input (
RRDIP[3—1][2:0], 0x32, 0x33
). After
CNTDG1[3:0], 0x5D
consecutive consistent
occurrences of a new G1 value, the device will notify the control system (
RRDIPE[3—1], RRDIPM[3—1], 0x16
).
Path User Channel (F2) Monitoring
The device will monitor the F2 byte (
RF2MON[3—1][7:0], 0x29, 0x2A, 0x2B
) on the receive input. A new value
will be detected after
CNTDF2[3:0], 0x5E
consecutive consistent occurrences of a new pattern in the overhead
bytes. Any change to this byte will be reported to the control system (
RF2MOND[3—1], RF2MONM[3—1], 0x0E,
0x17
).
Path Growth Byte (Z3) Monitoring
The device will monitor the Z3 bytes (
RZ3MON[3—1][7:0], 0x2C, 0x2D, 0x2E
) on the receive input. A new value
will be detected after
CNTDZ3[3:0], 0x5E
consecutive consistent occurrences of a new pattern in the overhead
bytes. Any change to this byte will be reported to the control system (
RZ3MOND[3—1], RZ3MONM[3—1], 0x0E,
0x17
).
Path Tandem Connection Byte (Z5) Monitoring
The device will monitor the Z5 bytes (
RZ5MON[3—1][7:0], 0x31, 0x30, 0x2F
) on the receive input. A new value
will be detected after
CNTDZ5[3:0], 0x5F
consecutive consistent occurrences of a new pattern in the overhead
bytes. Any change to this byte will be reported to the control system (
RZ5MOND[3—1], RZ5MONM[3—1], 0x0F,
0x18
).
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