PEF2054 SIEMENS [Siemens Semiconductor Group], PEF2054 Datasheet - Page 239

• Manufacturer Part Number: PEF2054
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 83
Small PBX with SICOFI
Semiconductor Group
Analog
Lines
Analog
Lines
Quadruple Codec
Filter Device
Quadruple Codec
Filter Device
SICOFI -4
SICOFI -4
R
R
DOUT
DOUT
DCL
DCL
FSC
FSC
DIN
DIN
®
-4 and IEC-Q
+5 V
k 1
+5 V
1 k
4096 kHz
4 x
2048 kbit/s
2048 kbit/s
239
8 kHz
IOM -2 Ports
P
R
DCL
FSC
DD0
DU0
DD1
DU1
DD2
DU2
DD3
DU3
DCL
FSC
DCL
FSC
D
D
IDP1
IDP0
IN
OUT
EPIC
NT-PABX
CLS
PLL
ICC
IEC-Q
Mode
R
Layer-2
Controller
RxD1
RxD0
RxD2
RxD3
TxD0
TxD1
TxD2
TxD3
PDC
PFS
Application Hints
PEB 2055
PCM
Interface:
Not Used
PEF 2055
Trunk Line
to Central
Office
ISDN
U
4096 kHz
k
Interface
ITS09555