PXB4219 Datasheet, PDF (96/290 Pages) Infineon Technologies AG – IWE8 Interworking Element for 8 E1/T1 Lines

PXB4219 / PXB4220 / PXB4221
Interface Description
QuadFALC in translation mode 0 (See QuadFALC datasheet) these channels are
mapped into the 32 frame slots as shown in Table 25
.
Table 25
Time slot Mapping in T1 Translation Mode 0
Frame slot T1 channel
Frame slot T1 channel
0
F channel (FS/DL)
16
1
channel 1
17
channel 13
2
channel 2
18
channel 14
3
channel 3
19
channel 15
4
20
5
channel 4
21
channel 16
6
channel 5
22
channel 17
7
channel 6
23
channel 18
8
24
9
channel 7
25
channel 19
10
channel 8
26
channel 20
11
channel 9
27
channel 21
12
28
13
channel 10
29
channel 22
14
channel 11
30
channel 23
15
channel 12
31
channel 24
The F-channel only contains the F-bit. Its location in the F channel is shown in Table 26.
Table 26 F-Channel Format in T1 Mode
MSB
F channel
LSB
bit 1
bit 2
bit 3
bit 4
bit 5
bit 6
bit 7
bit 8
F-bit
5.1.1.2 E1 Mode
In E1 mode (Pin E1/T1 = 1) there are 32 channels numbered from 0 to 31. The channels
are directly mapped into the corresponding 32 frame slots.
Data Sheet
96
2002-05-06