Check The Microswitch Setting On The Modem - IBM pSeries 630 6C4 Service Manual

Check the Microswitch Setting on the Modem

Check the microswitch settings on the modem. The settings should be set as follows:
Switch
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Note: * Only switches 5 and 12 are changed from the factory default settings.
Position
Up
Up
Down
Up
*Down
Up
Up
Down
Down
Up
Down
*Down
UP
Up
Up
Up
Function
Force DTR
Flow Control &E4
Result Codes Enabled
Modem Emulation Disabled
Auto Answer Enabled
Maximum Throughput Enabled
RTS Normal Functions
Enable Command Mode
Remote Digital Loopback Test Enabled
Dial-Up Line Enabled
AT Responses Enabled (Extended
Responses Disabled)
Asynchronous Operation
28.8KB Line Speed
CD and DSR Normal Functions
2-Wire Leased Line Enabled
Appendix E. Install a HMC
591