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Operating Information
TLA721 Benchtop & TLA7XM Expansion Mainframe Service Manual
2- 21
The external signal output is a TTL compatible output signal that is user
definable in software. This connector is a sub-miniature bayonet (SMB)
connector.
The LPT port is a parallel printer port. This parallel printer port supports
standard Centronics mode, Enhanced Parallel Port (EPP), or Microsoft high-
speed mode (ECP) and has a 36-pin high density Centronics-compliant
connector. See Table 2--12 for pin assignments.
Table 2- 12: LPT port pin assignments
Pin number
Pin function
Pin number
Pin function
1
BUSY
19
GND
2
SLCT
20
GND
3
ACK*
21
GND
4
ERR*
22
GND
5
PE
23
GND
6
D0
24
GND
7
D1
25
GND
8
D2
26
GND
9
D3
27
GND
10
D4
28
GND
11
D5
29
GND
12
D6
30
GND
13
D7
31
GND
14
INIT*
32
GND
15
STB*
33
GND
16
SLIN*
34
GND
17
AFD*
35
GND
18
HI
36
GND
See IEEE specification P1284-C for pin connection definitions for other modes
Ext Sig Out Connector
LPT 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 ...