PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 258

• Manufacturer Part Number: PEF2091
• Description: ICs for Communications(ISDN Echocancellation Circuit)
• Manufacturer: Siemens Semiconductor Group

Semiconductor Group
7.3.2
Figure 97 shows an example for typical maintenance bit handling in repeater
applications via MON-2. In this example a microprocessor can be used as a control unit
and the microprocessor interface can be used instead of the IOM
Figure 97
CRC
LT
U Ref. Point
Single Bits Handling
FEBE
FEBE
M 43
M
M
M
M
M
M
M
M 46
M 48
M 51
M 52
M 61
PS 1
PS 2
dea
uoa
ntm
cso
act
act
sai
44
45
46
48
51
52
61
Maintenance Bit Handling in Repeaters (Example)
NT-RP
CRC
IOM -2
MON-2
MON-2
MON-2
MON-1
R
&
Repeater Control
Unit
dea
258
&
IOM
MON-2
MON-2
MON-2
MON-1
C/I
R
-2
LT-RP
CRC
®
-2 interface.
Application Hints
U Ref. Point
FEBE
FEBE
M
M 44
M 45
M 46
M 48
M 51
M 52
M 61
M
M
M
M
M
PS
PS
uoa
dea
ntm
cso
act
act
Data Sheet 01.99
sai
43
46
48
51
52
61
1
2
PEB 2091
PEF 2091
CRC
NT
ITD04217