psf21911 ETC-unknow, psf21911 Datasheet - Page 92

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

Semiconductor Group
Figure 31 D-Channel Request by the Terminal
ELIC
C/I =
HDLC occupied by other Terminal:
C/I
HDLC assigned:
C/I = 1000
HDLC ready:
C/I
=
=
R
xxxx
1100
1100
IOM -2
R
HDLC-Frame on D-Channel
Delay TD2
Delay TD2
Delay TD2
IEC-Q
AFE/DFE
"00" on D-Channel
EOC 25 H
EOC
EOC 25 H
27
H
92
U
k0
S/G Bit and BAC Bit in TE Mode
D-Channel fied to "0"
S/G
HDLC-Controller available
D-Channel
Transparent
S/G
D-Channel Transparent
S/G = 1
D-Channel Transparent
IEC-Q TE
=
=
Transparent;
1;
Delay TD1
"stop"
IOM -2
R
BAC
BAC = 0
HDLC
Frame
BAC = 1
ITD10200
TE Mode
PSB 21911
PSF 21911
=
1
11.97