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WIRING DATA
Connector CN2 - MX-80/100
Use: This connector is used to supply the required AC voltages to the
control circuit board. Spins.
TABLE 2-22. PIN ASSIGNMENT OF CN2
Pin No
Signal Name
Color ot Lead
Purpose
1
+ t2V AC
Giay
For optional interfaces
2
+ 12V AC
Gray
3
+ 25V AC
Orange
For itepper motor
4
+ 25V AC
Orange
s
•••9V AC
Red
For logic circuitry
6
•h9V AC
Red
7
+ 10V AC
Blue
For ttepper motor
8
+ tOV AC
Blue
2-14
EPSON PRINTERS
Connector CN3 - MX-80/100
Use: This connector is used when connecting an optional P.C. board to
the MX printer.
TABLE 2-23. PIN ASSIGNMENT OF CN3
Connecioi
Pin No
Signal Name
Oescripiibn ot Signal
Direction
1
Erroi
Out
2
Paper End
Out
3
!
07
1
Oaia Bit 7
in
4
!
ffCv (BUSY)
Ready
Out
5
06
1 Oaia Bii 6
in
6
aCk
AcKnowiedge
Out
7
05/PAfl OlS
Oaid Bii 5/Patity Oisaoie
In
8
iNlT
inilial
In
9
D4/0/E
Oaia Bii 4/0(10 Panty Seiect/Even Parity
Select
In
10
5TB
Sirooe
1
in
11
08/31
Oata Bit 8/Seriai Signal input
in
12
+•12
+ 12V AC
Out
13
7T
Reset
Out
14
-1-12
12V AC
Out
15
03'B2
Oata Bit 3/Bit Rate Select
In
16
-t-5
-^5V
OC
Out
17
02<BI
Oata Bit 2/Bit Rate Select
In
18
-t-24
+ 24V OC
Out
19
01/8/7
Oata Bit 1/8 Bii Seiect/7aii Select
in
20
-1-12
+ I2V OC
Out
21
P/S
Parallel Seiect/Senai Select
In
22
-
-
-
23
SfUN
Select In
In
24
GL
Ground
-
25
PET TRS
PETiTRS Select
In
26
GL
Ground
-
NOTE
Diieciion leiers lo me auection oi signal iiow as viewed irom me control citcuii Doata
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