pef82902 Infineon Technologies Corporation, pef82902 Datasheet - Page 131

• Manufacturer Part Number: pef82902
• Description: 4b3t Second Generation Modular Isdn Nt Intelligent Extended
• Manufacturer: Infineon Technologies Corporation

Table 30
U5
U0
SP
Table 31
Signals from NT to TE
INFO 0
INFO 2
INFO 4
Data Sheet
No signal.
Frame with all bits of B, D, and
D-echo channels set to binary
ZERO. Bit A set to binary ZERO.
N and L bits set according to the
normal coding rules.
Frames with operational data on
B, D, and D-echo channels. Bit
A set to binary ONE.
U4H
U4
U0
SP
Generation of the 4B3T Signal Elements (cont’d)
S/T-Interface Signals
Duration: 1 ms
(warranted by state
machine)
Binary data from the
digital interface
Ternary continuous "0"
single pulses
117
Signals from TE to NT
INFO 0
INFO 1
INFO 3
0
119 times
"0"
(repeatedl
y)
once "+",
A continuous signal with the
No signal.
following pattern:
Positive ZERO, negative ZERO,
six ONEs.
Synchronized frames with
operational data on B and
D-channels.
Operational Description
yes
yes
0
n/a
yes
yes
0
n/a
PEF 81902
2001-11-12
1
BBD
n/a
n/a