Relationships Between Frames And Windows; Viewing Current Frame And Window Size Settings; Best Possible Connection - 3Com 3C421600A Management Manual

Relationships
Between Frames and
Windows
Viewing Current
Frame and Window
Size Settings
Best Possible
Connection
Table 43 AT Commands
Setting Command
Frame size AT*X0=n
Window size AT*X1=n
Although you can set the frame size on the RAS 1500 up to 2048, use
Table 44 to determine the actual values allowed by the RAS 1500.
Table 44 Frame and Windows Sizes
Setting
2048
1024
512
Use the following command to view current frame (*X0) and window
(*X1) size settings:
ATI4
Every time a call comes in the RAS 1500 goes through a link negotiation
process (called "handshaking") with the remote device.
The way the RAS 1500 handles outgoing and incoming calls depends on
the call type setting you chose. You can set the RAS 1500 to handle
incoming calls seven different ways:
Best possible connection (Universal Connect)
Clear channel synchronous
V.120 only
V.110 only
X.75 only
Analog modem emulation
Synchronous PPP
n Value
Between 1 and 2048
Between 2 and 7
Modem Window Size
2
4
7
Configuring ISDN 153
Default size
2048 bytes
7