Operating Information
TLA721 Benchtop & TLA7XM Expansion Mainframe Service Manual
2- 17
SLEEP Indicator.
Indicates that the benchtop controller is in sleep mode.
RUN Indicator.
Indicates that the memory is accessing data.
SYSTEM FAIL Indicator.
Indicates a SYSFAIL condition exists on the communica-
tions bus.
TEST Indicator.
Indicates that the benchtop controller is executing a power-on self
test (POST) diagnostic test sequence.
The mouse connector is a standard six-pin, PS/2-compliant DIN connector. The
mouse port can be connected to an external, standard PS/2-compliant three-but-
ton wheel mouse. Table 2--6 lists the pin assignments.
Table 2- 6: Mouse port pin assignments
Pin number
Pin Assignment
1
Data
2
No connection
3
GND
4
+5 V
5
Clock
6
GND
The keyboard connector is a standard six-pin PS/2-compliant DIN connector.
The keyboard port can be connected to an external, standard PS/2-compliant
keyboard. Table 2--7 lists the pin assignments.
Table 2- 7: Keyboard port pin assignments
Pin number
Pin Assignment
1
Data
2
No connection
3
GND
4
+5 V
5
Clock
6
GND
Mouse Port
Keyboard Port
Summary of Contents for TLA7XM
Page 5: ......
Page 13: ...Table of Contents viii TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 17: ...Service Safety Summary xii TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 21: ...Preface xvi TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 25: ...Introduction xx TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 43: ...Specifications 1 18 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 85: ......
Page 87: ...Adjustment Procedures 5 2 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 161: ...Repackaging Instructions 6 74 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 165: ...Electrical Parts List 8 2 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 169: ...Diagrams 9 4 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...
Page 189: ...Mechanical Parts List 10 20 TLA721 Benchtop TLA7XM Expansion Mainframe Service Manual ...