Serial Interface - Genicom LA36 User Manual

Interface Information
Pin Direction
31 To printer
32 From printer
33
34
35
36 To printer

Serial Interface

Use the cable that comes with the printer or the Digital BC16E cable or equivalent. If you
prepare a cable separately, the cable connector at the printer side should be a male Modified
Modular Jack (MMJ) or the equivalent that conforms to EIA standards.
The following table shows the pin assignments. In the table:
• "Input" denotes a signal from the computer to the printer.
• "Output" denotes a signal from the printer to the computer.
• The signal level for mark state (logical 1) is -5 V to -6 V; for space state (logical 0), it is
+5 V to +6 V.
Pin Signal
No. Name
1 Ready Out
2 Transmit Data +
3 Transmit Data -
4 Receive Data -
5 Receive Data +
6 Ready In
D-4
Signal Description
Init L Set to high for Reverse Channel operation
DataAvail L Reverse channel: Data 0 and 4
Not used
Not used
Not used
SelectIn L Set to high for Reverse Channel
Direction Description
Output Data Terminal Ready
Output This pin carries information from the printer to
the computer.
Output Common signal level. This pin carries
information from the printer to the computer.
Input Common signal level at the computer side.
This pin carries information from the computer
to the printer.
Input This pin carries information from the computer
to the printer.
Input Optional (available as Data Set Ready)