Dataproducts M/50 Parallel

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Image:connector_m50m.png 50 pin M/50 male connector at the computer.

Image:connector_m50f.png 50 pin M/50 female connector at the cable.

Pin Return Dir Description Active State
CC EE IN Ready High
Y AA IN On Line High
E C IN Demand High
j m OUT Data Strobe High
B D OUT Data 1 n/a
F J OUT Data 2 n/a
L N OUT Data 3 n/a
R T OUT Data 4 n/a
V X OUT Data 5 n/a
Z b OUT Data 6 n/a
n k OUT Data 7 n/a
u w OUT Data 8 n/a
z BB OUT Parity n/a
d f IN Ident 0 n/a
a c IN Ident 1 n/a
v x OUT Interface Verify Low
HH K OUT +5 VDC (Test) High
r t IN Parity Error High
M P IN Bottom of Form High
S U IN Top of Form High
p s OUT Paper Instruction High
A H OUT Buffer Clear High
W Y IN Paper Moving High
FF DD IN Paper Moving High
e h IN Not VFU High


  • Direction is Host (Computer) relative Peripheral (Printer).
  • Return is Ground signal for Unbalanced and the Negative Signal for Balanced.


Category:Parallel Connectors


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