参数资料
型号: PEF80902
厂商: INFINEON TECHNOLOGIES AG
英文描述: 4B3T Second Gen. Modular ISDN NT(Ordinary)
中文描述: 4B3T二将军模块化综合业务数字网新台币(普通)
文件页数: 40/83页
文件大小: 1168K
代理商: PEF80902
PEF 80902
Functional Description
Data Sheet
32
2001-11-12
Start Awaking Uk0
On the receipt of AR in the C/I-channel the U-transceiver sends the awake signal U1W
to start an activation.
Synchronizing
After the successful awake procedure the U-transceiver trains its receiver coefficients
until it is able to detect the signals U2.
Reset
In state
Reset
a software-reset is performed.
Test
State
Test
is entered when the unconditional
commands TM2-0=
SSP
is applied. The
test signal SSP is issued as long as pin SSP is active or C/I=SSP is applied.
Transparent
The transmission line is fully activated. User data is transparently exchanged by U4/U5.
Transparent state is entered in the case of a loopback 2. The downstream device is
informed by C/I code AI that the transparent state has been reached
Note that in contrast to the former IEC-T state machine there is no resynchronization
mechanism. Once loss of framing (LOF) has been detected a deactivation is initiated.
Wait for Info U4H
The NT is synchronized and waits now for the permission (U4H) to go to the
Transparent
state.
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