參數(shù)資料
型號(hào): PSB7110
廠商: SIEMENS AG
英文描述: Enhanced ISDN Data Access Controller ISAR
中文描述: 增強(qiáng)綜合業(yè)務(wù)數(shù)字網(wǎng)的數(shù)據(jù)接入控制器專家組
文件頁數(shù): 121/164頁
文件大?。?/td> 1173K
代理商: PSB7110
_________________________________________________PSB 7110
Siemens Aktiengesellschaft
Page 121
3.8.4
IOM-2 Control Commands (Host
ISAR)
7
6
5
4
3
2
1
0
DPS
MSC
MDS
HIS
1
0
1
0
1
1
15
14
13
12
11
10
9
8
CTRL MSB
ICMD
7
6
5
4
3
2
1
0
CTRL LSB
0
DPS ... Datapath selection
01:
10:
path 1
path 2
ICMD ... IOM-2 Control Command
00h:
Stop IOM-2 channel
All activities on the IOM-2 interface are frozen. In transmit direction all bits are written
to "1" on the IOM-2 timeslot and in receive direction all bits received from the IOM-2
timeslot are "1".
Restart IOM-2 channel
After IOM-2 activities were stopped (ICMD=00), data transfer with from/to the IOM-2
timeslots is restarted again with the current configuration settings.
This command must not be used before the IOM-2 interface is configured.
Loop ON
Transmit data is looped back to the receiver input. In this case the configuration for
the timeslot position of the receiver is without any effect.
Additionally, the transmit data itself is written to the programmed transmit timeslot if
IOM-2 data access is enabled (IOM=1). If IOM-2 data access is disabled (IOM=0),
transmit data will not be written to the IOM-2 timeslot but only looped back to the
receiver input.
Loop OFF
The loop of transmit data to the receiver input (activated by ICMD=11h) is switched
off. Regular read/write access to the IOM-2 is performed according to the
configuration setting.
01h:
11h:
10h:
Important note:
The control commands "Stop / Restart IOM-2 channel" have a different effect than "IOM-2 data
access enable / disable" (IOM-bit) in configuration setup.
The current configuration setting is not affected by "Stop IOM-2 channel", only transfer of user data
between the pump and the IOM-2 timeslots is stopped, which is resumed by the command "Restart
IOM-2 channel".
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