Lucent Technologies Release 7 Figure 1-9. Data Transmission States

DEFINITY Enterprise Communications Server Release 7
Maintenance for R7r
555-230-126 Issue 4 June 1999
Maintenance Architecture
1-30Protocols
1
Figure 1-9. Data Transmission States
DCE
ORIGINATING DCE DESTINATION SYSTEM
RS232C RS232CRAW BITSDCP DCP 1
DTE
2 DMIASCII ASCII
3-7 USER DEFINED
D
I
G
I
T
A
L
P
O
R
T
D
I
G
I
T
A
L
P
O
R
T
D
I
G
I
T
A
L
P
O
R
T
D
I
G
I
T
A
L
P
O
R
T
DATA
MODULE
DATA
MODULE
DATA
MODULE
DATA
MODULE
DTE
DTE
DATA
MODULE DS1 PORT
1
D
I
G
I
T
A
L
P
O
R
T
RAW BITS
RS232C DS1 FORMATDCP
DMIASCII 2
P
O
R
T
D
S
1
DTE
T
R
U
N
K
P
O
R
T
A
N
A
L
O
G
ADU ADUDTE E
I
A
P
O
R
T
E
I
A
P
O
R
T
DTE
DMIASYNCH ASCII ASYNCH ASCII 2
3-7 USER DEFINED
RS232C RS232CADU PROT ADU PROT1 RAW BITS
3-7 USER DEFINED
VOICE GRADE DATAASCII ASCII 2
ANALOG ANALOG1 PCMRS232C RS232C
P
O
R
T
A
N
A
L
O
G
L
I
N
E
A
N
A
L
O
G
P
O
R
T
DTE
DTE
MODEM
POOLING
CABLE
MODEM
MODEM
MODEM
PCM
3-7 USER DEFINED