IBM 8478 Hardware Maintenance Manual - Page 86

Serial, connectors

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Table 9. Parallel connector pin-number assignments Pin I/O SPP/ECP Signal EPP Signal 1 O -STROBE -WRITE 2 I/O Data 0 Data 0 3 I/O Data 1 Data 1 4 I/O Data 2 Data 2 5 I/O Data 3 Data 3 6 I/O Data 4 Data 4 7 I/O Data 5 Data 5 8 I/O Data 6 Data 6 9 I/O Data 7 Data 7 10 I -ACK -ACK 11 I BUSY -WAIT 12 I PE (paper end) PE (paper end) 13 I SLCT (select) SLCT (select) 14 O -AUTO FD (feed) -AUTO FD 15 I -ERROR -ERROR 16 O -INIT -INIT 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 Serial connectors Your server has two standard serial connectors: Serial connector A and Serial connector B. 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. 76 Hardware Maintenance Manual: xSeries 200

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Table
9.
Parallel
connector
pin-number
assignments
Pin
I/O
SPP/ECP
Signal
EPP
Signal
1
O
-STROBE
-WRITE
2
I/O
Data
0
Data
0
3
I/O
Data
1
Data
1
4
I/O
Data
2
Data
2
5
I/O
Data
3
Data
3
6
I/O
Data
4
Data
4
7
I/O
Data
5
Data
5
8
I/O
Data
6
Data
6
9
I/O
Data
7
Data
7
10
I
-ACK
-ACK
11
I
BUSY
-WAIT
12
I
PE
(paper
end)
PE
(paper
end)
13
I
SLCT
(select)
SLCT
(select)
14
O
-AUTO
FD
(feed)
-AUTO
FD
15
I
-ERROR
-ERROR
16
O
-INIT
-INIT
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
Serial
connectors
Your
server
has
two
standard
serial
connectors:
Serial
connector
A
and
Serial
connector
B.
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.
76
Hardware
Maintenance
Manual:
xSeries
200