IBM 3278 Series

f' Jumper A-B(PN 16506671
N Data Entry Keypunch with Numeric 1,2, 3 A B
en
;::;
"
6!
...
~
Lock"
Data Entry with Numeric Lock
Data Entry Keypunch without
Numeric Lock'
Data Entry without Numeric Lock
Typewriter without Numeric Lock
Typewriter with Numeric Lock
APL
APL with Numeric Lock 0, 1, 2
1,2
2,3
2
3
1, 3
0,2
PS or Typewriter Attribute nS
a a 0
a 1 0
a 2 0
a 3 a
ID Jumper
Block
Keyboard Conn
Logic Card Asm
75- or 76-key
- PN 5188718
87- or 88-key - PN 1752631
Clicker Asm
PN 1742643
~::: with Nu~eric LO_ck 0, ~', ~ n1 ru f?[J DO 61 ==qRg~
Select 0, 2, 3 LJ::I-c::r - - r ® 30-Pin Connector ®1 D
APL Attribute Select 0 1L6i--_-"-"-_....!!!:======;'!L ___ ..l~.:=:: ________ ____.::=:J. _____ . _____ _(
'K"P'",hk'::::~d,~~~~1 gggggggg~~. >
key to the left of the spacebar. I' -- --
Clicker Pins
Figu re 4-10_ Keyboard