Xerox 4215 Installation Planning Manual page 51

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