2. Copy the /usr/share/modems/modem_f.cfg file to a new file with a different name
(for example modem_fx.cfg).
3. In the new file (modem_fx.cfg), change the line
Send "ATE0T\r"
to
Send
"ATcccE0T\r"
where ccc is the added command as specified your modem manual,
as follows:
Change the third line of each of the following stanzas:
v
condout
v
condin
v
ripo
4. Save the changes.
IBM 7852-400 DIP Switch Settings
If you are using a 7852-400 modem to enable service processor communications, the
DIP (dual inline package) switches must be set according to the following table.
Switch
Position
Function
1
Up
Force DTR
2
Up
Flow Control &E4
3
Down
Result Codes Enabled
4
Down
Modem Emulation Disabled
5
Up
Auto Answer Enabled
6
Up
Maximum Throughput Enabled
7
Up
RTS Normal Functions
8
Down
Enable Command Mode
9
Down
Remote Digital Loopback Test Enabled
10
Up
Dial-Up Line Enabled
11
*Up
AT Responses Enabled (Extended Responses Disabled)
12
*Down
Asynchronous Operation
13
Up
28.8KB Line Speed
14
Up
15
Up
CD and DSR Normal Functions
16
Up
2-Wire Leased Line Enabled
* Only switches 11 and 12 are changed from the factory default settings.
Xon/Xoff Modems
Some early modems assume software flow control (Xon/Xoff) between the computer
and the modem. Modems with this design send extra characters during and after the
transmitted data. The service processor cannot accept these extra characters. If your
configuration includes such a modem, your functional results may be unpredictable.
The sample modem configuration files included in this package do not support these
modems, so custom configuration files are necessary. Anchor Automation 2400E is an
example of such a modem.
Iif you experience unexplainable performance problems that may be due to Xon/Xoff
characters, it is recommended that you upgrade your modem..
174
44P Series Model 170 User’s Guide
Summary of Contents for RS/6000 44P Series 270
Page 2: ......
Page 3: ...RS 6000 44P Series Model 170 User s Guide User s Guide SA38 0559 01 IBM...
Page 12: ...x 44P Series Model 170 User s Guide...
Page 16: ...xiv 44P Series Model 170 User s Guide...
Page 90: ...72 44P Series Model 170 User s Guide...
Page 124: ...106 44P Series Model 170 User s Guide...
Page 162: ...144 44P Series Model 170 User s Guide...
Page 166: ...148 44P Series Model 170 User s Guide...
Page 180: ...162 44P Series Model 170 User s Guide...
Page 182: ...164 44P Series Model 170 User s Guide...
Page 184: ...166 44P Series Model 170 User s Guide...
Page 208: ...190 44P Series Model 170 User s Guide...
Page 215: ......