參數(shù)資料
型號: PEB2265
廠商: SIEMENS AG
元件分類: Codec
英文描述: Two Channel Codec Filter with IOM㈢-2 Interface (IOM㈢-2 - SICOFI㈢-2)
中文描述: 雙信道編解碼器與國際移民組織㈢-2接口(移徙㈢-2 - SICOFI㈢-2)
文件頁數(shù): 68/77頁
文件大?。?/td> 851K
代理商: PEB2265
PEB 2265
Appendix
Semiconductor Group
68
1997-07-01
7.2
The monitor channel is used for the transfer of maintenance information between two
functional blocks. By use of two monitor control bits (MR and MX) per direction, the data
are transferred in a complete handshake procedure.
Monitor Channel Data Structure
7.2.1
Messages to and from the IOM-2 – SICOFI-2 are started with the following Monitor byte:
Address Byte
Thus providing information for two voice channels, the IOM-2 – SICOFI-2 is one device
on one IOM-2 time slot. Monitor data for a specific voice channel is selected by the
IOM-2 – SICOFI-2 specific command (SOP or COP).
7.2.2
Identification Command
In order to be able to unambiguously identify different devices by software, a two byte
identification command is defined for analog lines IOM-2 devices.
Each device will then respond with its specific identification code. For the
IOM-2 – SICOFI-2 this two byte identification code is:
Each byte is transferred at least twice (in two consecutive frames).
Bit
7
1
6
0
5
0
4
0
3
0
2
0
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
0
0
0
0
0
1
0
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