pef20550 Infineon Technologies Corporation, pef20550 Datasheet - Page 36

• Manufacturer Part Number: pef20550
• Description: Extended Line Card Interface Controller Elic
• Manufacturer: Infineon Technologies Corporation

1.6.2
The ELIC is an optimal solution for key systems like a PBX. When selecting the
multiplexed D-channel architecture, the ELIC covers switching, layer-1 and layer-2
control for the entire system. Together with the IOM-2 compatible Siemens transceiver
circuits, a complete key system can be build with a few devices.
Figure 17
Key System Architecture, Small Size
Figure 18
Key System Architecture, Medium Size
Semiconductor Group
Subscribers
(S adapter
optional)
Subscribers
8 U
2 Analog
0
p0
Key Systems
3 S
4 Analog
Trunk
Subscribers
Subscriber
0
.
.
.
OCTAT -P
SICOFI -2
S
S
S
S
0
0
0
0
R
R
SICOFI -4
QUAT -S
IOM -2
IOM -2
R
R
R
R
Subscriber
Assignable
SACCO_A
SACCO_B
ELIC
36
IOM -2
R
R
IOM -2
IOM -2
R
R
SACCO_A
SACCO_B
S Subscribers
Trunk
0
ELIC
ISAC -S
ISAC -S
R
R
R
ITS05818
S
S
0
0
PEB 20550
PEF 20550
Overview
ITS05819
Trunk,
2 S
0
01.96