Preliminary Information
MH89770
125µs
CHANNEL
30
CHANNEL
CHANNEL
CHANNEL
CHANNEL
31
0
0
31
• • • • • • • •
(8/2.048)µs
NB:
Most
Significant
Bit (First)
Least
Significant
Bit (Last)
Numbering
differs from
Fig 31.
BIT 4
BIT 2
BIT 5
BIT 3
BIT 1
BIT 6
BIT 0
BIT 7
Figure 30 - Format of 2048 kbit/s ST/BUS Streams
125µs
CHANNEL
CHANNEL
23
CHANNEL
24
CHANNEL
CHANNEL
24
S Bit
S Bit
1
1
• • • • • •
(1/1.544)µs
(8/1.544)µs
NB:
Numbering
differs from
Fig 30.
Most
Significant
Bit (First)
Least
Significant
Bit (Last)
BIT 4
BIT 6
BIT 3
BIT 2
BIT 5
BIT 7
BIT 8
BIT 1
Figure 31 - DS1 Link Frame Format
125µs
C2i
DSTi
7
7
6
6
5
4
4
3
3
2
2
1
1
0
0
7
7
DSTo
• • • • • • • • • • •
• • • • • • • • • • •
CSTi0/CSTi1
5
CSTo
Figure 32 - Functional ST-BUS Timing
125µs
E1.5i
1
1
0
0
1
1
0
1
INT DATA
RxT/RxR
LINE SIGNAL
RxA
RxB
E8Ko
Figure 33 - Functional DS1 Receive Timing
4-157
MITEL [ MITEL NETWORKS CORPORATION ]
