pef22504 Infineon Technologies Corporation, pef22504 Datasheet - Page 249

• Manufacturer Part Number: pef22504
• Description: Quad E1/t1/j1 Line Interface Component For Long- And Short-haul Applications Pef 22504 E, Pef 22504 Ht, Version 2.1
• Manufacturer: Infineon Technologies Corporation

8
8.1
The design in
been successfully checked against ITU-T K.20 and K.21 lightning surge tests (basic level). For values of R1 see
Table
Figure 68
8.2
Several application notes and technical documentation provide additional information. Online access to supporting
information is available on the internet page:
http://www.infineon.com/octalliu
On the same page you find as well the
•
8.3
The following software package is provided together with the QuadLIU
•
•
•
•
The both calculators run under a Win9x/NT environment. Calculation results are traced an can be stored in a file
or printed out for documentation.
Screen shots of both programs are shown in
Data Sheet
Boundary Scan File for QuadLIU
E1 and T1 driver functions supporting different ETSI, AT&T and Telcordia (former: Bellcore) requirements
IBIS model for QuadLIU
“Flexible Master Clock Calculator”, which calculates the required settings for the registers GCM(1:8)
depending on the external master clock frequency (MCLK)
“External Line Front End Calculator”, which provides an easy method to optimize the external components
depending on the selected application type.r
28.
Appendix
Protection Circuitry
Protection Circuitry Examples (shown for one channel)
Application Notes
Software Support
QuadLIU
Figure 68
RL1
RL2
XL1
XL2
shows an example of how to build up a generic E1/T1/J1 platform. The circuit shown has
TM
A SMP 100LC-35 (~65 pF)
B SMP P3500SC (~60 pF)
R1
R1
Version 2.1 (according to ANSI/EIA-656)
TM
Version 2.1 (BSDL File)
V
V
DD
DD
Figure 69
V
V
SS
SS
249
1:2.4
and
1:1
Figure 70
PTC
B
PTC
PTC
B
PTC
TM
below.
Reference System EASY 2256:
A
A
A
A
1.25 A
1.25 A
1.25 A
1.25 A
Fuse
Fuse
Fuse
Fuse
Rev. 1.3, 2006-01-25
QLIU_F0262_2
RJ45
QuadLIU
PEF 22504
Appendix
TM