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| 型號(hào)： | T8100A |
| 英文描述： | H.100/H.110 Interface and Time-Slot Interchangers |
| 中文描述： | H.100/H.110接口和時(shí)隙Interchangers |
| 文件頁數(shù)： | 109/112頁 |
| 文件大?。?/td> | 1408K |
| 代理商： | T8100A |
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Lucent Technologies Inc.
105
Advance Data Sheet
November 1999
H.100/H.110 Interfaces and Time-Slot Interchangers
Ambassador T8100A, T8102, and T8105
Appendix B. Minimum Delay and
Constant Delay Connections
(continued)
B.2 Delay Type Definitions
(continued)
B.2.1 Exceptions to Minimum Delay
Up until this point in the discussion, the STRDs have
not been discussed because the
to
and
from
streams
have been irrelevant in the switching process*. Rather
than try to list the exceptions mathematically, a table is
provided. The latencies in these cases may exceed two
frames due to the interaction of the intrinsic pipeline
delays with the double buffering.
Table 83. Table of Special Cases (Exceptions)
Graphically, the minimum delay latency equations are
illustrated below. The exceptions to the minimum delay
have been included in the diagram, connected to the
main function by dashed lines.
FME Value
TS
Latency for
STR
< 0
257
258
258
257
Latency for
STR
≥
0
257
2
2
257
0
0
1
1
+1
+2
–126
–127
B.2.2 Lower Stream Rates
The discussion has centered on 128 time-slot frames
which correspond to 8.192 Mbits/s data rates. How
does one make similar predictions for lower stream
rates
For 4.096 Mbits/s, multiply the
to
and
from
time-slot
values by two (i.e., time slot 0 at 4.096 Mbits/s corre-
sponds to time slot 0 at 8.192 Mbits/s, and time slot
63 at 4.096 Mbits/s corresponds to time slot 126 at
8.192 Mbits/s). Similarly, multiply values by four to con-
vert 2.048 Mbits/s values. The latency equations can
then be applied directly.
* The one universally disallowed connection on the devices is a TS
of 0 and a STR
of 0. This is a stream and time-slot switching to
itself. Loopback on the local bus (e.g., LDO_0 to LDI_0) is permissi-
ble.
5-6224(F)
Figure 40. Minimum Delay Connections, CON[1:0] = 0X
A
(
RESULTING LATENCY
(TIME SLOTS)
–127
0
127
127
128......256
FME=1
FME=0
0
–126
258
257
2
2
2
SPECIAL LONG LATENCY
CONNECTIONS
(SEE TEXT)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| T8102A | H.100/H.110 Interface and Time-Slot Interchangers |
| T8105A | H.100/H.110 Interface and Time-Slot Interchangers |
| T8100 | H.100/H.110 Interface and Time-Slot Interchanger |
| T8110 | Version History |
| T8301 | T8301 Internet Protocol Telephone Phone-On-A-Chip⑩ IP Solution DSP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| T8100A-BAL | 制造商:Alcatel-Lucent 功能描述:ELECTRONIC COMPONENT |
| T8100A-BAL4DB | 制造商:AGERE 功能描述: |
| T8100-D | 制造商:GE Sensing & Inspection Technologies 功能描述:CO2/TEMP SENS WALL MNT DUAL OUT |
| T8100-E | 制造商:GE Sensing & Inspection Technologies 功能描述:TRANSMITTER, CO2, HUMIDITY, TEMP 制造商:GE MEASUREMENT & CONTROL 功能描述:TRANSMITTER, CO2, HUMIDITY, TEMP; Plug Type:- ;RoHS Compliant: Yes 制造商:GE MEASUREMENT & CONTROL/GE SENSING 功能描述:TRANSMITTER, CO2, HUMIDITY, TEMP; Plug Type:- ;RoHS Compliant: Yes |
| T8100-E-D | 制造商:GE Sensing & Inspection Technologies 功能描述:TRANSMITTER, CO2, HUMIDITY, TEMP 制造商:GE MEASUREMENT & CONTROL 功能描述:TRANSMITTER, CO2, HUMIDITY, TEMP; Plug Type:- ;RoHS Compliant: Yes 制造商:GE MEASUREMENT & CONTROL/GE SENSING 功能描述:TRANSMITTER, CO2, HUMIDITY, TEMP; Plug Type:- ;RoHS Compliant: Yes |
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