CHAPTER 1 GENERAL INFORMATION
DTI Specifications
NEAX2000 IVS
2
ISDN System Manual
ND-70919 (E), Issue 1.0
Page 29
Frame Configuration of 24DTI
According to the AT&T Specifications for 24-Channel transmission, there are two types of frame
configurations: 12-Multi Frame and 24-Multi Frame.
(1)
12-Multi Frame
The frame has 12-Multi Frames, and each Multi frame has a 24-Channel PCM signal (8 bits/
channel) and an S bit (Superframe Bit).
shows the frame configuration, and
shows frame bit assignment.
Figure 1-13 DTI Frame Configuration (12-Multi Frame)
S
CH1
1
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
CH2
1 2 3 4 5 6 7 8
CH3
1 2 3 4 5 6 7 8
CH24
125 ms
S: Superframe Bit
FRAME 1
FRAME 2
FRAME 3
FRAME 12
Summary of Contents for NEAX 2000IVS2
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