Xerox 4215 MICR MRP Guida All'Installazione
INTERFACE SUPPORT
Parallel interface connector pin assignments
The parallel interface signals and functions are listed in table B-1.
Table B-1.
Parallel interface connector pin assignments
* Signal is active low
Pin
Signal name
Source
Function
1
STROBE*
Host
Causes PD 0—7 to be loaded into the printer
2
PD 0
Host
Parallel Data Bit 0
3
PD 1
Host
Parallel Data Bit 1
4
PD 2
Host
Parallel Data Bit 2
5
PD 3
Host
Parallel Data Bit 3
6
PD 4
Host
Parallel Data Bit 4
7
PD 5
Host
Parallel Data Bit 5
8
PD 6
Host
Parallel Data Bit 6
9
PD 7
Host
Parallel Data Bit 7
10
ACK*
Printer
Acknowledgement of data received by printer
11
BUSY
Printer
Indicates printer not ready to receive data
12
PE
Printer
Indicates paper error
13
SLCT
Printer
Indicates printer is selected and online
14
AUTOFD*
Host
Instructs printer to auto feed 1 line of paper
after a Carriage Return
after a Carriage Return
15
No connection
16
GND
Signal Ground
17
Frame
Frame Ground
18
No connection
19—30 GND
Signal Grounds
31
INIT*
Host
Initializes printer and clears print buffer
32
ERROR*
Printer
Indicates a printer error condition
33
No connection
34
No connection
35
No connection
36
SLCTIN*
Host
Selects printer or host and enables to accept
data
data
B-4
XEROX 4219/MRP AND 4215/MRP INSTALLATION PLANNING GUIDE