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Control Data Corporation Manuals
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SYSTEMS TERMINAL II
Hardware maintenance manual
Control Data Corporation INFORMATION SYSTEMS TERMINAL II Hardware Maintenance Manual
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Contents
Table of Contents
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Table of Contents
Table of Contents
1 General Description
Table of Contents
Table of Contents
Theory of Operation
Terminal Configuration
Display
Keyboard
Operator's Panel
Touchpanel
Controller
Controller Board
Enclosure
Device Inputs and Outputs
PLATO Communication Interface
Serial Channel Interface
Video Board
Long Line Driver
Electrical Characteristics
Parallel Channel Interface
Physical Characteristics
Terminal Characteristics
Environmental Characteristics
Grounding
I/O Signal Cables
2 Operation
External Controls, Indicators, and Connectors
Alphanumeric Keyboard
Brightness Control
DATA/TALK Switch
External Controls
Parameter/Mode Switches
Power ON/OFF Switch
RESET Switch
Soft/Lood
External Indicators
Kb-Tp/Skip
Loop/Exit
Test/Skip
Dsr
Dtr
Err
Rts
Xmt
External Connectors
PLATO Communication Connector
Parallel Channel Connector
PLATO Communication Connector Pin Assignments
Parallel Channel Connector Pin Assignments
Serial Channel Connector
Serial Channel Connector Pin Assignments
Configuration/Mode Selection Switches
Flood Screen Switch
S2-L0 - Program Memory
S2-6 - Serial Channel Parity Inhibit
S2-7 - Forward/Reverse Channel
S2-8 - Serial Channel Stop Bits Select
S2-9 - Touchpanel
Channel Selection
PLATO Channel Baud Rate Switch Selections
RS-232-C Interface Forward/Reverse
S2-3, S2-4, and S2-5 - Baud Rate Selection
Internal Indicators
Power Supply Controls
S2-2 - RS-232-C/Long Line Selection
S2-L-Clear to Send
Video Controls Adjustments
Video LED
Power Supply Leds
3 Installation and Checkout
Crating
Uncrating
Installation
PLATO Interface Selections
Checkout
Memory Expansion Installation
Installation Instructions for Optional Modem
Connecting Terminal to PLATO System
4 Theory of Operation
Controller
Controller Board
Execution Times
Controller Board Block Diagram
PLATO Communications Interface
PLATO Receiver
Receiver Word Format
Word Format
Word Polarity
Data Assembly/Transfer
Data Rate
PLATO Transmitter
Word Format
Word Polarity
Long Line Receiver
Serial Word Format
Serial Transmit Timing
Serial Channel Status Word
Serial Channel Baud Rate Selection
External Input or Output Timing (no Extra Wait Sta Tes)
External Input or Output Timing
Block Diagram
Memory Assignment
Bulk Write/Erase - Video Enable Function
Miscellaneous Control
Scan Line Timing (50/60 Hz)
Expansion Module/Plato Interface Signal Routing
Touchpanel Connector AJ3 (Internal)
Keyboard Codes and Legends
Operator Panel
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c:\
CONTf\.OL DATA
\::I
r:!I
CO~ORl\TION
CDC®
INFORMATION
SYSTEMS TERMINAL II
HARDWARE MAINTENANCE MANUAL
(SITE AND SUPPORT INFORMATION)
82100083
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