FUJITSU DL9300 - Manual (Page 208)

Interface
D-5 User's Manual
INTERFACE INFORMATION
Pin Signal Direc- Description
No. Name tion
1 FG – Frame Ground
2 TD Output Transmitted Data. This pin carries informa-
tion from the printer to the computer.
3 RD Input Received Data. This pin carries information
from the computer to the printer.
4 RTS Output Request To Send. Spaces are sent when the
printer is ready to transmit data.
5 CTS Input Clear To Send. Spaces are sent when the
computer is ready to receive data.
6 DSR Input Data Set Ready. Spaces are sent when the
computer has been powered on and is ready
to receive or transmit data.
7 SG – Signal Ground (common return)
8 CD Input Carrier Detect. Spaces are sent when the
computer allows the printer to receive data.
11 RC Output Reverse Channel. This signal is used instead
of the DTR signal in the RC protocol. Spaces
are sent when the printer is ready to receive
or transmit data.
20 DTR Output Data Terminal Ready. Spaces are sent when
the printer has been powered on and is ready
to receive or transmit data.