pef82902 Infineon Technologies Corporation, pef82902 Datasheet - Page 85
pef82902
Manufacturer Part Number
pef82902
Description
4b3t Second Generation Modular Isdn Nt Intelligent Extended
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF82902.pdf
(243 pages)
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Table 19
No. State/ Signal
2.4.7.4
C/I-Commands
AI
AR
DI
DT
Data Sheet
1.
2.
3.
4.
5.
6.
State ’Deact.
Request Rec.’
State ’Loss of
Framing’
C/I-code LTD
State
’Power Down’
State
’Data
Transmission’
Timer
variables
introduced
Activation Indication
The downstream device issues this indication to announce that layer 1 is
available. The U-transceiver in turn informs the LT side by transmitting U3.
Activation Request
The U-transceiver is requested to start the activation process (if not already
done) by sending the wake-up signal U1W.
Deactivation Indication
This indication is used during a deactivation procedure to inform the U-
transceiver that it may enter the ’Deactivated’ (power-down) state.
Data Through Test Mode
This unconditional command is used for test purposes only and forces the U-
transceiver into state ’Transparent’.
Inputs to the U-Transceiver
Differences to the former NT-SM of the IEC-T/NTC-T
Change
split into 3 states
- ’Pend. Deactivation 1’
- ’Reset’ State
- ’Test’ State
new inserted,
results in different behavior
in state ’Transparent’,
no return to normal
transmission possible after
detection of LOF
new inserted
renamed to state
’Deactivated’
renamed to state
’Transparent’
Name Duration
71
Comment
simplifies SM implementation
compliance to ETSI TS 102 080,
corresponds to state NT1.10
for consistency reasons to 2B1Q
see
Table 20
Functional Description
PEF 81902
2001-11-12
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