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Printronix MVP Series User Manual

Page 175

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Interfaces

8–7

Table 8–4. Dataproducts Interface Signals and Pin Assignments (Continued)

Output Signals

Amphenol

Winchester

Output Signals

Description

Pin

Return

Pin

Return

READY/PE

A high active level from the printer to indicate:
1. AC power and DC voltages present.
2. Printer paper loaded properly.
3. Printer is not in a CHK condition.

22

6

CC

EE

ONLINE

High active level from the printer to indicate:
1. The READY line is true.
2. RDY switch on the operator control panel
has been activated.

21

5

y

AA

DATA REQUEST
(demand line)

High active level from the printer to
synchronize host computer data transmission
with printer timing. High level indicates printer
data request. The signal remains high for as
much as 250 ns after DATA STROBE signal is
received then the DATA REQUEST drops to
low (false) and remains low until the data is
stored in the printer’s buffer.

23

7

E

C

GROUND

Connections for cable shield.

39

M,f,

FF

VERIFICATION

Jumper between two pins on the interface
connector enables verification that the
interface connector is seated correctly

46
45

x
y

TEST

Supplies +5V (at one Ampere) output for the
Printronix test exerciser. (Exerciser not needed
for L150.)

12

HH