psf21911 ETC-unknow, psf21911 Datasheet - Page 32

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Semiconductor Group
Figure 13 Definition of the IOM
– C/I0 in IOM
DU / DD
– C/I1 in IOM
DU / DD
FSC
DD
DU
D:
C/I:
MR, MX:
C/I1 to C/I6 are used for control of a transceiver or an other device in IOM-2
MR, MX:
B1
B1
C/I6
IOM
®
®
D
-2 Channel 0:
-2 Channel 1:
B2
B2
R
Channel 0
two bits for the 16 kbit/s D-channel
The four command/indication (C/I) bits are used for control of the U-
transceiver
functions).
two bits MR and MX for the handshake in the Monitor channel 0
channel 1 (activation/deactivation and additional control functions).
two bits MR and MX for handshake in the Monitor channel 1
MON0
MON0
C/I5
D
C/I0
C/I0
C/I4
C/I4
IC1
IC1
®
(activation/deactivation
-2 Frame in TE Mode
IOM
IC2
IC2
R
125 s
C/I3
C/I3
32
Channel
MON1
MON1
1
C/I1
C/I1
C/I2
C/I2
and
C/I1
C/I1
IOM
R
Channel
additional
IOM®-2 Interface
MR
MR
2
PSB 21911
PSF 21911
C/I2
C/I2
control
MX
MX
ITD09787
B1
B1
11.97