參數(shù)資料
型號(hào)： MT90812
廠商： Mitel Networks Corporation
英文描述： Integrated Digital Switch (IDX)(集成數(shù)字開(kāi)關(guān))
中文描述： 綜合數(shù)字交換機(jī)（IDX的）（集成數(shù)字開(kāi)關(guān)）
文件頁(yè)數(shù)： 55/105頁(yè)
文件大?。?/td> 334K
代理商： MT90812
Advance Information
MT90812
51
At locations 60 to 6E, Connect Memory High is used to specify the Conference incoming channel attenuation
and Noise Suppression. For these locations bits 7-3 are used as incoming channel attenuation, bits 1-0 are
used for Noise Suppression bits and bit 2 is not used.
21.2
Connection Memory Low
The CML is defined as follows:
Connection Memory Low is used to specify the source for the outgoing channels and connect the Conference,
Energy Detect and DBRT blocks to incoming channels. Table 19 lists the Data Memory Block and Channel
Address Bits used in Data Memory Addresses.
At locations 60 to 6E, Connect Memory Low is used to identify channels in a conference. At location 6F,
Connect Memory Low is used to identify which channel is to be routed to the D-Channel RX FIFO. Locations 70
and 71h are used to identify the channel routed to the Energy Detect A and B blocks, respectively.
Table 19 - Data Memory Addressing
Bit
Name
Description
7-5
Data Memory
Block Address
Bits
The number expressed in binary notation on these 3 bits is the number of the Data
Memory block for the source of the connection. Bit 7 is the most significant bit.
4-0
Channel Address
Bits
The number expressed in binary notation on these 5 bits is the number of the
channel which is the source of the connection. Bit 4 is the most significant bit. e.g., if
bit 4 is 1, bit 3 is 0, bit 2 is 0, bit 1 is 1 and bit 0 is 1, then the source of the connection
is channel 19.
Hex Address
A7-A5
Hex Address
A4-A0
Local/Expansion
Data Memory
Description
000
00-1F
Sti0 32 Channels
Sti0 32 Channels
001
00-1F
STi1 32 Channels
STi1 32 Channels
010
00-1F
Tones(32)
Tone Generator output
011
00-0E
CONFout(15),
Conference Output
011
0F
unused
unused(1)
011
10
DCHout(1)
Output from the D-channel TX FIFO buffer. Allows
D-channel TX buffer to be directed to any outgoing
channel.
011
11-1F
unused(14)
unused(14)
100
00-1F
Ei1 32 Channels
Expansion Bus Block 1
101
00-1F
Ei2 32 Channels
Expansion Bus Block 2
110
00-1F
Ei3 32 Channels
Expansion Bus Block 3
111
00-1F
Ei4 32 Channels
Expansion Bus Block 4
7
6
5
4
3
2
1
0
A5
A2
A1
A0
A4
A6
A3
A7
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