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Brother HL-1260E User Manual

Page 206

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USER’S GUIDE

Appendix–12

Signal Description

Signal Name IN/OUT Explanation

FG

Frame Ground

SD

OUT

Send Data.

RD

IN

Receive Data. Receives data transmitted from the
computer.

RS

OUT

Request To Send. “SPACE” level when the printer
is ready to send data to the computer.

DR

IN

Data Set Ready. When DSR is at “SPACE” level,
data can be accepted.

SG

Signal Ground

ER

OUT

Data Terminal Ready. “MARK” level when the
printer is Busy.