Epson EPL-N1200 User Manual - Page 118

Interfaces, Parallel B Interface

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Interfaces In the tables below, the column heading "Direction" refers to the direction of signal flow as viewed from the printer. Parallel B Interface The parallel B (IEEE 1284-I compliant) interface connector pin assignments are shown in the table below. Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 - 30 31 32 33 34 35 36 Direction IN IN IN IN IN IN IN IN IN OUT OUT OUT OUT IN - - - OUT - IN OUT - - OUT IN Compatibility Nibble nStrobe HostClk DATA1 DATA2 DATA3 DATA4 DATA5 DATA6 DATA7 DATA8 nACK PtrClk Busy PrtBusy PError AckDataReq Select Xflag nAutoFd HostBusy NC GND CG Peripheral Logic High GND nlnit nFault nDataAvail GND NC +5V nSelectln IEEE1284active Specifications A-5

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Interfaces
In the tables below, the column heading “Direction” refers to the direction
of signal flow as viewed from the printer.
Parallel B Interface
The parallel B (IEEE 1284-I compliant) interface connector pin
assignments are shown in the table below.
Pin
Direction
Compatibility
Nibble
1
IN
nStrobe
HostClk
2
IN
DATA1
3
IN
DATA2
4
IN
DATA3
5
IN
DATA4
6
IN
DATA5
7
IN
DATA6
8
IN
DATA7
9
IN
DATA8
10
OUT
nACK
PtrClk
11
OUT
Busy
PrtBusy
12
OUT
PError
AckDataReq
13
OUT
Select
Xflag
14
IN
nAutoFd
HostBusy
15
NC
16
GND
17
CG
18
OUT
Peripheral Logic High
19 - 30
GND
31
IN
nlnit
32
OUT
nFault
nDataAvail
33
GND
34
NC
35
OUT
+5V
36
IN
nSelectln
IEEE1284active
Specifications
A-5