Keyboard, Environmental requirements, Physical characteristics – Epson 486DX2 EN User Manual
Page 3: Connector pin assignments, Parallel port connector (cn5), Serial port connector (cn4), Keyboard and mouse connector (cnz and cnl), Vga connector (cn3), Cn4), Port connector
EQUITY 486DX2/50 PLUS
EQUITY 486SX/25 PLUS
Keyboard
Serial Port Connector
(CN4)
Layout
Function
Detachable, two position,
dependent) sculpted keys
58-key QWERTY main keyboard;
numeric/cursor
pad;
10
keys;
additional
cursor pad; 16 function
keys
(user-definable)
Four levels (normal, shift, control,
alternate); user-definable
Environmental Requirements
Serial Port Connector Pin Assignments
Altitude
Maximum
wet bulb
-330 to
It
-330 to 39600
(-100 to 3000 m)
(-100 to 3600 m)
(-100 to 12000 m)
F
F
134°F
Physical Characteristics
Width
17 inches (432 mm)
Depth
16 inches
mm)
Height
6 inches (153 mm)
Weight
Single diskette drive model:
(without
26 lb (11.8 kg)
keyboard)
Connector Pin Assignments
Parallel
Port Connector
Pin 13
Pin 1
Pin 25
Pin 14
Parallel Port
Connector
Pin
Assignments
7
16
25
SIGNAL GND
6
DATA6
17
DATA7
16
SIGNAL GND
Keyboard and Mouse Connector
and
Pin 6.
,Pin 5
Pin
Pin 3
Although the keyboard and mouse connectors are physically
identical, they cannot be used interchangeably.
Pin
Pin
signal
1
Data
3
Ground
4
VDC
5
Keyboard Clock
6
Reserved
Mouse Connector Pin Assignments
Pin
signal
1
Mouse Data
12
Reserved
3
Ground
4
(fused)
5
Mouse Clock
16
I
VGA Connector (CN3)
Low Logic
486DX2/50 & 486SX/25 PLUS-2
5/12/92
Equity Series Computers