參數(shù)資料
型號(hào): T8100
英文描述: H.100/H.110 Interface and Time-Slot Interchanger
中文描述: H.100/H.110接口和時(shí)隙交換器
文件頁(yè)數(shù): 27/92頁(yè)
文件大?。?/td> 1450K
代理商: T8100
Lucent Technologies Inc.
25
Preliminary Data Sheet
August 1998
H.100/H.110 Interface and Time-Slot Interchanger
Ambassador T8100
2 Architecture and Functional Description
(continued)
2.2 Local Bus Section
(continued)
2.2.3 Data Rates and Time-Slot Allocation
(continued)
Examples of how the memory is filled are found in Figure 7.
Note:
Again, the user needs only to provide stream and time-slot addresses; the T8100 will generate the internal
memory addresses.
Both the connection and data memories are filled using the same algorithm. In the case where group C is running
at 8.192 Mbits/s, group B is at 4.096 Mbits/s (or 2.048 Mbits/s), and group A is at 2.048 Mbits/s, then an additional
virtual memory space of 4 x 64 locations is created by the T8100 from unused locations in other parts of the mem-
ory.
5-6105F
Figure 7. Local Memory, Fill Patterns
TIME SLOT 0
TIME SLOT 2
TIME SLOT
4
TIME SLOT 1
TIME SLOT 3
TIME SLOT 5
TIME SLOT 0
TIME SLOT 1
TIME SLOT 2
TIME SLOT 0
TIME SLOT 2
TIME SLOT 4
TIME SLOT 1
TIME SLOT 3
TIME SLOT 5
S0—3
S4—7
S0—3
S4—7
S0—3
S4—7
S8—11
S8—11
GROUP A,
TIEVEN
GROUP A,
TIM ODD
GROUP A,
ALL
SLOTS
64 TIME SLOTS
64 TIME SLOTS
GROUP A AT 8.192 Mbits/s
GROUPS B AND C OFF
GROUP A AT 4.096 Mbits/s
GRAND GROUP C OFF
GROUP
TIME
SLOTS
GROUP
TIME
SLOTS
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