pef80913 Infineon Technologies Corporation, pef80913 Datasheet - Page 104
![no-image](/images/no-image-200.jpg)
pef80913
Manufacturer Part Number
pef80913
Description
2b1q Second Gen. Modular Isdn Nt
Manufacturer
Infineon Technologies Corporation
Datasheet
1.PEF80913.pdf
(240 pages)
- Current page: 104 of 240
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C/I-Indications
AI
AIL
AR
ARL
DC
DR
EI1
Signals on U-Interface
The signals SNx, TN and SP transmitted on the U-interface are defined in
•
Table 24
Signal
TN
SN0
SN1
SN2
SN3
SN3T
Test Mode
SP
Data Sheet
1)
2)
Activation Indication
The U-transceiver has established transparency of transmission. The downstream
device is requested to establish layer-1 functionality.
Activation Indication Loopback
The U-transceiver has established transparency of transmission. The downstream
device is requested to establish a loopback #2.
Activation Request
The downstream device is requested to start the activation procedure.
Activation Request Loop-back
The U-transceiver has detected a loop-back 2 command in the EOC-channel and has
established transparency of transmission in the direction IOM
downstream device is requested to start the activation procedure and to establish a
loopback #2.
Deactivation Confirmation
Idle code on the IOM
Deactivation Request
The U-transceiver has detected a deactivation request command from the LT-side for
a complete deactivation or a S/T only deactivation. The downstream device is
requested to start the deactivation procedure.
Error Indication 1
The U-transceiver has entered a failure condition caused by loss of framing on the
U-interface or expiry of timer T1.
U-Interface Signals
Synch. Word
(SW)
no signal
present
present
present
present
test signal
3
®
-2-interface.
Superframe
(ISW)
no signal
absent
absent
present
present
test signal
3
90
2B + D
no signal
1
1
1
normal
test signal
3
Functional Description
PEF 82912/82913
®
-2 to U-interface. The
M-Bits
no signal
1
1
normal
normal
test signal
3
Table
2001-03-30
24.
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