HP 450c HP DesignJet 430/450C/488CA Printer - UserÂ’s Guide - Page 162

Interface specifications

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Reference Interface specifications Interface specifications Below are the parallel and serial interface specifications. On the following page are the pin configurations for the most common HP cables referenced on page 10-11. Parallel (Centronics) Interface The connector on the printer is 36-pin female. Most existing parallel cables support IEEE-1284-compatible communication, but, for use with this printer, the cable must meet the specification in this table. Pin Wire/Signal Name 1 Strobe 2 ... 9 D0 ... D7 (data lines) 11 Busy 12 PError 13 Select (SelectOut) 14 AutoFd 16 GND 19 ... 30 GND 31 Init 32 Fault 36 SelectIn Source computer both printer printer printer computer computer printer computer Serial (RS-232-C) Interface The connector on the printer is 25-pin female. The printer is configured as DTE (data terminal equipment). Data is transmitted on Pin 2 and received on Pin 3. 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 Source DTE DCE DTE DCE DTE 10-8

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10–8
Interface specifications
Below are the parallel and serial interface specifications.
On the following page
are the pin configurations for the most common HP cables referenced on page
10–11.
Parallel
(Centronics) Interface
Pin
Wire/Signal Name
Source
The connector on the printer is 36-pin
f
l
1
Strobe
computer
female.
2 ... 9
D0 ... D7 (data lines)
both
Most existing parallel cables support
11
Busy
printer
Most existing
arallel cables su
ort
IEEE-1284-compatible
communication,
btf
ith thi
it
th
bl
12
PError
printer
but, for use with this printer, the cable
must
meet the specification in this table
13
Select (SelectOut)
printer
must
meet the s
ecification in this table.
14
AutoFd
computer
16
GND
19 ... 30
GND
31
Init
computer
32
Fault
printer
36
SelectIn
computer
Serial (RS-232-C) Interface
Pin
Wire/Signal Name
Source
Th
t
th
it
i
25
i
1
Protective Ground
The connector on the printer is 25-pin
female
2
Transmitted Data
DTE
female.
3
Received Data
DCE
The printer is configured as DTE (data
t
i
l
i
t)
4
Request to Send
DTE
terminal equipment).
6
Data Set Ready
DCE
Data is transmitted on Pin 2 and
7
Signal Ground
received on Pin 3.
20
Data Terminal Ready
DTE
Reference
Interface specifications