NEC NEAX 2000 Programming Manual page 224

FRAME
No.
FRAME
SYNCHRONIZATION
1
2
3
4 0
5
6
7
8 0
9
10
11
12 1
13
14
15
16 0
17
18
19
20 1
21
22
23
24 1
* The S-bit is the first bit in each frame.
* Frames are repeated in the order shown above.
* Frames 6, 12, 18 and 24 become signal frames.
* "m" in the "4 Kbps Data Link" column means that the frame is usually assigned to 1.
24-Multi Frame Bit Assignment
S BIT
4 Kbps
CRC
DATA LINK
m
CB1
m
m
CB2
m
m
CB3
m
m
CB4
m
m
CB5
m
m
CB6
m
– 204 –
DIRECT DIGITAL INTERFACE (DDI)
BIT No. OF EACH CHANNEL
(CH1-CH24)
INFORMATION CONTROL
SIGNAL BIT SIGNAL BIT
1-8
1-8
1-8
1-8
1-8
1-7
1-8
1-8
1-8
1-8
1-8
1-7
1-8
1-8
1-8
1-8
1-8
1-7
1-8
1-8
1-8
1-8
1-8
1-7
DTI SPECIFICATIONS
SIGNAL
CHANNEL
8 A
8 B
8 C
8 D
A2195-10