Interface Specifications
Below are the parallel and serial interface specifications.
Parallel (Bi-Tronics/Centronics)
Interface
Interface
The connector on the plotter is
The connector on the plotter is
36-pin female.
p
Most existing parallel cables support
Most existing parallel cables s pport
Bi-Tronics communication, but for
use with this plotter, the cable must
meet the specification in this table.
meet the specification in this table
Serial (RS-232-C) Interface
The connector on the plotter is 25-pin
The connector on the plotter is 25 pin
female.
The plotter is configured as DTE (data
The lotter is configured as DTE (data
terminal equipment).
q
)
Data is transmitted on Pin 2 and
Data is transmitted on Pin 2 and
received on Pin 3.
Pin Wire/Signal Name
1 Strobe
2 ... 9 D0 ... D7 (data lines)
10 Ack
11 Busy
12 PError
13 Select (SelectOut)
14 AutoFd
16 GND
19 ... 30 GND
31 Init
32 Fault
36 SelectIn
Pin Wire/Signal Name
1 Protective Ground
2 Transmitted Data
3 Received Data
4 Request to Send
6 Data Set Ready
7 Signal Ground
20 Data Terminal Ready
Reference
Interface Specifications
Source
computer
both
plotter
plotter
plotter
plotter
computer
computer
plotter
computer
Source
DTE
DCE
DTE
DCE
DTE
11-7