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(fù)用器/解復(fù)用器
文件頁數(shù): 42/120頁
文件大小: 1542K
代理商: TMUX03155
42
Agere Systems Inc.
Data Sheet
April 2001
TMUX03155 STS-3/STM-1 (AU-4) Multiplexer/Demultiplexer
Maintenance Functions
(continued)
Receive Functions
(continued)
Test Pattern Drop (AU-4 Mode Only)
The device will monitor a pseudorandom pattern (
RPAT23or15, 0x60
) on a per TUG-3 basis
(
RTSTDRP_PSEL[1:0], 0x60
). The drop logic will provide an out-of-sync indication (
RTSTDRP_OOS, 0x60
) and
an error count (
RTSTDRP_ECNT[7:0], 0x61
). This counter will hold at its maximum value and is not affected by
the
LATCH_CNT, 0x04
signal. The detector will transition to the in-sync-state after 32 consecutive matches occur.
The detector will transition from the in-sync-state to the out-of-sync state if 32 consecutive errors are detected.
STS-1/AU-3 Byte Error Insert or Overwrite Control
This section summarizes the output error and overwrite capabilities on a per STS1/AU-3 basis. All path overhead
bytes pass through from the input signal.
Table 18. STS-1/AU-3 Overhead Control
Control Signal per STS-1/
AU-3 Signal
Bytes
Affected/
Action
Action
RA1A2ERREN,
RA1A2ERRPEN[3—1],
RA1A2ERRINS[4:0]
(0x05, 0x62)
RC1DINS[3—1][7:0]
(0x68, 0x69, 0x6A)
RB1ERRINS[3—1]
(0x63)
R_E1_PASS[3—1]
(0x74)
RF1INS[3—1]
RF1DINS[3—1][7:0],
R_F1_PASS[3—1]
(0x64, 0x6B—0x6D, 0x74)
R_D1TOD3_PASS[3—1]
(0x75)
RH1H2CRUPEN[3—1],
RH1H2CRUPPorNDF
(0x64)
A1, A2
Error Insert
If (
RA1A2ERREN
= 0
1)
then insert
RA1A2ERRINS[4:0]
consecutive frame errors on the selected ports
(
RA1A2ERRPEN[3—1]
) else insert correct framing pattern.
C1
Always insert values.
B1
Error Insert
E1
1 = insert error, 0 = insert normal value.
1 = pass input data, 0 = insert default value.
F1
Software or
Pass
If (
RF1INS
= 1) then insert software value (
RF1DINS
) else if
(
R_F1_PASS
= 1) then pass input data
else set byte to the default value.
D1 to D3
1 = pass input data, 0 = insert default value.
H1, H2
Error Insert
If (
RH1H2CRUPPorNDF
= 0 AND
RH1H2CRUPEN
= 1) then
continuously corrupt the pointer value
else if (
RH1H2CRUPPorNDF
= 1 AND
RH1H2CRUPEN
= 1) then
continuously send NDF (1001) pattern
else pass input data.
1 = insert error, 0 = insert normal value.
RB2ERRINS[3—1]
(0x63)
RAPSBABLEINS[3—1],
RAPSINS[3—1][12:0]
(0x66, 0x6E—0x73)
B2
Error Insert
K1, K2[7:3]
Error or
Software
If (
RAPSBABLEINS
= 1) then
continuously insert a nonconsistent K1K2 value
else insert software value
RAPSINS
.
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