Maintenance strategy
Protocols
Maintenance Procedures
33
December 2003
Figure 3: Intra-port and Inter-port data transmission states
Usage
The following is a list of the protocols used when data is transmitted to and through the system. The list is
organized by protocol layers. See
Figure 3, Intra-port and Inter-port data transmission states,
DCE
ORIGINATING
DCE
DESTINATION
SYSTEM
RS232C
RS232C
RAW BITS
DCP
DCP
1
DTE
2
DMI
ASCII
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 FORMAT
DCP
DMI
ASCII
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
ADU
DTE
E
I
A
P
O
R
T
E
I
A
P
O
R
T
DTE
DMI
ASYNCH ASCII
ASYNCH ASCII
2
3-7 USER
DEFINED
RS232C
RS232C
ADU PROT
ADU PROT
1 RAW
BITS
3-7 USER
DEFINED
VOICE GRADE DATA
ASCII
ASCII
2
ANALOG
ANALOG
1
PCM
RS232C
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
Summary of Contents for CMC1
Page 1: ...Maintenance Procedures 555 245 103 Issue 1 1 December 2003 ...
Page 14: ...Contents 14 Maintenance Procedures December 2003 ...
Page 416: ...Additional maintenance procedures IP Telephones 416 Maintenance Procedures December 2003 ...
Page 426: ...Index X 426 Maintenance Procedures December 2003 ...