IBM 3101 Maintenance Information page 10

1.2.2 KEYBOARD ELEMENT
The 3101 Keyboard Element consists of:
• 87 keys including a numeric key pad
(12
keys}
• A Keyboard Logic card
• A clicker
• Setup switches
• A cable
• A documentation storage space in the cover.
The Keyboard Element can generate all 128 ASCII character codes and
has a four-character buffer for storing data until the Logic Element
is ready to receive it.
The 3101 has many integrated functions. Setup switches in the
customer access area at the top of the Keyboard allow the customer to
select the functions required at setup time, or when his requirements
change. The functions t~at can be selected are:
• Block {Model 2X only)/Character Transmission modes
• Half/Full Duplex
• EIA RS-232C/Current Loop or EIA RS-232C/EIA RS-422
~ Pe~manent-Bequest-to-Send/Controlled-Request-to-Send
•' Reverse Channel
• ETX/CR/ECT/XOFF
• Dual/Mono case
• 1 or 2 Stop Bits
• Parity, (Space/Mark/Odd/Evenl -- , ,
• Send Line Option (Model 2X only)
• Null Suppress (Model 2X only)
• Number of time-fill characters (Model 2X only)
• Auto New Line
• Auto Line Feed
• Carrier Return/Carrier Return Line Feed
• Scroll
• Referse Video
• Blinking Cursor
• Main I/O Baud Rate {110, 150, 200, 300, 600, 1200, 1800, 2400,
4800, 9600 BPS)
• Aux I/O Baud Rate (same as above)
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