Lab
PCM / TDM
Timeslot map
T1 PRI: 24 DS0s — 23 B-channels + D on TS24 (framing bit outside the map).
1 B
2 B
3 B
4 B
5 B
6 B
7 B
8 B
9 B
10 B
11 B
12 B
13 B
14 B
15 B
16 B
17 B
18 B
19 B
20 B
21 B
22 B
23 B
24 D
B-channel (23)
D-channel (1)
PCM / TDM structure
Hover a field for description.