參數(shù)資料
型號: 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): 102/164頁
文件大小: 1173K
代理商: PSB7110
_________________________________________________PSB 7110
Siemens Aktiengesellschaft
Page 102
ROF0, ROF1, RON1, ROFX, RONX ... Remote DTE status
Contains information about the status of the remote DTE. The received D- and SA-bits are
sampled and compared against different possibilities. A status change is detected by a match
of the comparison and indicated by setting the bits as shown below. Several bits in the
parameter can be set simultaneously depending on the sampled data, e.g. if ROF0 is set,
ROFX will be set, too.
It should be noted, that the status response is not data related, i.e. it contains the remote
status that is currently received.
Status
ROF0
Status Name
Remote (0, OFF)
Sampled Data
D
SA
D
SA
D
SA
D
SA
D
SA
00000000 00000000
11111111 11111111
11111111 11111111
11111111 11111111
11111111 11111111
00000000 00000000
XXXXXXXX XXXXXXXX
11111111 11111111
XXXXXXXX XXXXXXXX
00000000 00000000
ROF1
Remote (1, OFF)
RON1
Remote (1, ON)
ROFX
Remote (X, OFF)
RONX
Remote (X, ON)
Note:
X
=don't care
The following parameters contain the value for each X-, S- and E-bit, which is currently received:
X ... X-bit
SB ... S4-, S9-bit
SA1 ... S3-, S8-bit
SA0 ... S1-, S6-bit
E1-E7 ... E1-bit - E7-bit
For the 600 bps data rate bit E7 is always set to 1.
FRC ... Frame Counter for delay of synchronisation
Denotes the number of additional frames, which was set by the host, that must be received
correctly in order to achieve synchronism. As default (FRC=0), one V.110 frame must be
received correctly to get synchronised and e.g. if FRC=3, four frames are to be received
correctly, before data is transfered to the receive buffer.
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