Frame Configuration Of 24Dti - Philips SOPHO 2000 IPS User Manual

Frame Configuration of 24DTI

According to the AT&T Specifications for 24-Channel transmission, there are two types of frame config-
urations: 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 a S bit (Super Frame Bit). Figure below shows the frame configuration, and Table in next page
shows frame bit assignment.
CH1
S
1 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
FRAME 1
125 µs
DTI Frame Configuration (12-Multi Frame)
CH2 CH3
1 2 3 4 5 6 7 8
FRAME 2 FRAME 3
CHAPTER 1 GENERAL INFORMATION
S: Superframe Bit
– 38 –
DTI SPECIFICATIONS
CH24
1 2 3 4 5 6 7 8
FRAME 12
NWA-008852-001 Rev.5.0
98ch1001.fm