IBM 4851 514 Service Guide - Page 124
Connector-pin, assignments, External, connectors
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System specifications and planning information Updated October, 2008 Connector-pin assignments This following sections list the connector-pin assignments for the external and internal connectors. External connectors The following sections show the connector-pin assignments for external connectors. MSR connector 8 1 Table 17. MSR connector-pin assignments Pin 1 2 3 4 5 6 7 8 Connector +5 V dc Serial data out Serial data in Ground KBD enable Keyboard data Keyboard clock Ground 108 SurePOS 500 Model 514
Connector-pin
assignments
This
following
sections
list
the
connector-pin
assignments
for
the
external
and
internal
connectors.
External
connectors
The
following
sections
show
the
connector-pin
assignments
for
external
connectors.
MSR
connector
8
1
Table
17.
MSR
connector-pin
assignments
Pin
Connector
1
+5
V
dc
2
Serial
data
out
3
Serial
data
in
4
Ground
5
KBD
enable
6
Keyboard
data
7
Keyboard
clock
8
Ground
System
specifications
and
planning
information
Updated
October,
2008
108
SurePOS
500
Model
514