IBM 2740-2 Manuals

Manuals and User Guides for IBM 2740-2. We have 1 IBM 2740-2 manual available for free PDF download: System Reference Manual

IBM 2740-2 System Reference Manual (64 pages)

Communication Terminal

Brand: IBM | Category: Computer Hardware | Size: 6.81 MB

Table of Contents
3
Ibm 2740 Communication Terminal, Model 1
5
Special Features, Model
5
Types of Operation
6
Applications
7
Communication F a C I L I T I E S
7
Data Sets
8
Line-Control Signals
8
Transmission Controls and Indicators, Model 1
11
Local/Communicate Key
11
Standby (S) Light
11
Transmit (T) Light
11
Receive (R) Light
11
Bid Key and Light
11
R Estart (RST) Key and Light (Checking Special Feature)
12
Dial-Disconnect (Disc) Key and Dial-Connect Light (Dial-Up Adapter Special Feature)
12
EOB (End-Of-Block) Key (Checking Special Feature)
13
Automatic EOB (Prerequisite, Checking Feature)
13
EOT (End-Of-Transmission) Key
14
Transmit-Control Switch (MTC, Off) Transmit Control Special Feature
14
Test Switch
14
Principles of Operation, 2740 Model 1
15
P Oin T-To -P O in T Operation (Term Inai-To-T Erm in Al)
15
Broadcast Operation
16
Dial-Up Operation
17
Dial-Up Operation (with Checking)
17
Point-To-Point Operation-Multiplexer and Terminal
18
Point-To-Point Operation-Multiplexer and Terminal with Dial-Up Feature Installed
19
Transmit Control-Multiplexer
20
Station Control-Multiplexer Addressing and Polling
20
Dial-Up Adapter
21
Transmit Control (Prerequisite, Dial-Up Adapter Feature)
21
A U to M Atic Disconnect Feature (World Trade Only)
22
Checking- Parity (VRC) and Block (LRC)
23
Station Control (Multiplexer Addressing and Polling)
23
Automatic EOB (Prerequisite, Checking Feature)
25
IBM 2760 Attachment
26
IBM Line Adapter (Limited-Distance Type 1)
26
IBM Line Adapter (Limited-Distance Type 2)
26
IBM Line Adapter (Leased Line)
26
IBM Line Adapter (Shared Line)
26
Pin-Feed Platens
26
Paper Guide, Tear Bar, and Roll Paper Holder
27
Timing Considerations, 2740 Model 1
27
Time-Out Conditions
27
Delay Conditions
27
Typewriter Delay Conditions
27
Data-Handling Capability, Model 1
28
Terminal Transmission and Control Speed
28
Addressing Time
28
Polling Time (Negative Answer Back)
28
Polling Time (Positive Answer Back)
28
Checking Time (Receive Terminal, Positive Answer Back)
28
Checking Time (Receive Term Inal, N Egative Answer Back)
28
Checking Time (Transmit Terminal, Negative Answer Back)
28
Ibm 2740 Communication Terminal, Model 2
31
Introduction
31
Communication F a C I L I T I E S
32
Data Sets
32
Modes of Operation
32
Local Mode
32
Communicate
33
Codes, Keyboard Arrangements, and Print Elements
33
Transmission Controls and Indicators, Model 2
33
On/Off Power Switch
33
Keys
33
Switches
34
Indicator Lights
35
Without Buffered Receive and Without Record Checking Special Features Installed
37
With Buffered Receive and Without Record Checking Special Features Installed
37
With Record Checking and Without Buffered Receive Special Features Installed
37
With Record Checking and with Buffered Receive Special Features Installed
38
Principles of Operation, Model 2
39
Local Mode
39
Communicate Mode
39
Station Control (Multiplexer Addressing and Polling)
40
Polling
40
Addressing
40
Special Features, Model 2
43
Buffer Expansion
43
Record Checking
43
Operation
43
Transmitting Terminal
43
Receiving Terminal
43
Buffered Receive
44
Telegraph Line Adapter
44
Speed Base- 600 Bps
44
Header Control
44
Edit
44
Split Friction-Feed Platen
45
Document Insertion
45
Ledger-Card Stock
47
Operation
47
Document Design
47
Paper Guide, Tear Bar, and Roll Paper Holder
48
Pin-Feed Platens
48
IBM Line Adapter (Limited-Distance Type 1)
48
IBM Line Adapter (Limited-Distance Type 2)
49
IBM Line Adapter (Leased Line)
49
IBM Line Adapter (Shared Line)
49
Timing Considerations, Model 2
50
Typewriter Delay Conditions
50
IBM 2740 Model 2 Data-Handling Capability
50
Glossary
51
Appendix
53
Index
57

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