IBM 8479 User Reference - Page 69

Serial connectors, Viewing or changing the serial-connector assignments

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Pin 17 18 19 20 21 22 23 24 25 Table 4. Parallel connector pin-number assignments. I/O O - SPP/ECP Signal -SLCT IN Ground Ground Ground Ground Ground Ground Ground Ground EPP Signal -SLCT IN Ground Ground Ground Ground Ground Ground Ground Ground Serial connectors Your server has two standard serial connectors located on the rear of the server. Some application programs require specific connectors, and some modems function properly only at certain communication connector addresses. You might need to use the Configuration/Setup Utility program to change communication connector address assignments to prevent or resolve address conflicts. Viewing or changing the serial-connector assignments Complete the following steps to view or change the serial-connector assignments. 1. Restart the server and watch the monitor screen. 2. When the message Press F1 for Configuration/Setup appears, press the F1 key. 3. When the Configuration/Setup Utility menu appears, select Devices & I/O Ports; then, press Enter. 4. Select the serial connector; then, use the arrow keys to advance through the available settings. 5. Press Esc twice to return to the Configuration/Setup Utility main menu; then, select Save & Exit Setup to exit from the Configuration/Setup Utility main menu. Serial connectors There are two 9-pin, male D-shell serial connectors on the rear of your server. See "I/O connector locations" on page 51 for the location of these connectors. The following table shows the pin-number assignments for the serial connectors. 1 5 6 9 Pin 1 2 3 Table 5. Serial connector pin-number assignments. Signal Data carrier detect Receive data Transmit data Pin 6 7 8 Signal Data set ready Request to send Clear to send Chapter 5. Installing options 55

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Chapter 5.
Installing options
55
Serial connectors
Your server has two standard serial connectors located on the rear of the server.
Some application programs require specific connectors, and some modems function
properly only at certain communication connector addresses. You might need to use
the Configuration/Setup Utility program to change communication connector address
assignments to prevent or resolve address conflicts.
Viewing or changing the serial-connector assignments
Complete the following steps to view or change the serial-connector assignments.
1.
Restart the server and watch the monitor screen.
2.
When the message
Press F1 for Configuration/Setup
appears, press the F1
key.
3.
When the Configuration/Setup Utility menu appears, select
Devices & I/O Ports
;
then, press Enter.
4.
Select the serial connector; then, use the arrow keys to advance through the
available settings.
5.
Press Esc twice to return to the Configuration/Setup Utility main menu; then,
select
Save & Exit Setup
to exit from the Configuration/Setup Utility main menu.
Serial connectors
There are two 9-pin, male D-shell serial connectors on the rear of your server. See
“I/O connector locations” on page 51 for the location of these connectors. The
following table shows the pin-number assignments for the serial connectors.
17
O
-SLCT IN
-SLCT IN
18
-
Ground
Ground
19
-
Ground
Ground
20
-
Ground
Ground
21
-
Ground
Ground
22
-
Ground
Ground
23
-
Ground
Ground
24
-
Ground
Ground
25
-
Ground
Ground
Table 4. Parallel connector pin-number assignments.
Pin
I/O
SPP/ECP Signal
EPP Signal
Table 5. Serial connector pin-number assignments.
Pin
Signal
Pin
Signal
1
Data carrier detect
6
Data set ready
2
Receive data
7
Request to send
3
Transmit data
8
Clear to send
1
5
6
9