Advertisement
INTERFACE
CONTROL
V.24
X.21
µP
LAMPS
MEMORY
V.24
X.21
INTERFACE
CONTROL
Figure 2-3 Data port configuration within LAM 308 and LAM 309.
INTERFACE
CONTROL
V.24
KEYPAD
LAMPS &
µP
DISPLAY
MEMORY
Keyboard dialling
AT command dialling
V.25bis dialling
Data port programming
Figure 2-4 Data port configuration within SOPHO-LAM P375.
DATA RATE
ADAPTION
64 kbps
B-channel
16 kbps
D-channel
64 kbps
B-channel
DATA RATE
ADAPTION
DATA RATE
ADAPTION
64 kbps
B-channel
16 kbps
D-channel
ECHO
MULTIPLEXER
CANCELLER
Keyboard dialling
Data port programming
2B+D
152 kbps
MULTIPLEXER
2B+D
152 kbps
15
Advertisement
