參數(shù)資料
型號: PEF3065NV3.2
廠商: SIEMENS AG
元件分類: Codec
英文描述: Signal Processing Subscriber Line Interface Codec Filter SLICOF
中文描述: 信號處理用戶線路接口編解碼器SLICOF
文件頁數(shù): 77/102頁
文件大?。?/td> 563K
代理商: PEF3065NV3.2
PEB 3065
PEF 3065
Appendix
Semiconductor Group
77
01.98
10
Appendix
10.1
IOM
-2 Interface Monitor Transfer Protocol
Monitor Channel Operation
The monitor channel is used for the transfer of maintenance information between two
functional blocks. Using two monitor control bits (MR and MX) per direction, the data are
transferred in a complete handshake procedure. The MR and MX bits in the fourth octet
(C/I channel) of the IOM2 frame are used for the handshake procedure of the monitor
channel
The monitor channel transmission operates on a pseudo-asynchronous basis:
– Data transfer (bits) on the bus is synchronized to Frame Sync FSC
– Data flow (bytes) are asynchronously controlled by the handshake procedure.
For example: Data is placed onto the DD-Monitor-Channel by the Monitor-transmitter of
the master device (DD-MX-Bit is activated i.e. set to ‘0’). This data transfer will be
repeated within each frame (125
μ
s rate) until it is acknowledged by the SLICOFI
Monitor-receiver by setting the DU-MR-bit to ‘0’, which is checked by the
Monitor-transmitter of the master device. Thus, the data rate is not 8-Kbytes/s.
Figure 25
ITS10156
Monitor-
Transmitter
MR
MX
MR
MX
Master Device
MX
MR
MX
MR
DD
DU
SLICOFI
R
Receiver
Monitor-
Transmitter
Monitor-
Receiver
Monitor-
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