Appendix C: Serial Interface; C-1. Connectors And Signal Names (Serial Interface) - Star Micronics TSP400Z Series User Manual

Appendix C: Serial interface

C-1. Connectors and Signal Names (Serial Interface)

Pin No. Signal name
1 F-GND
2 TXD
3 RXD
4 RTS
5 CTS
6 N/C
7 S-GND
8 ~ 10 N/C
11 RCH
12 N/C
13 S-GND
14 FAULT
15 ~ 19 N/C
20 DTR
21 ~ 25 N/C
13
Direction Function
–
OUT
IN
OUT
IN
–
OUT
–
OUT
OUT
25
Frame ground
Outgoing data
Incoming data
Request To Send: The printer sets this signal
on "SPACE" when it is ready to send.
The host sets this signal on "SPACE" when it
is ready to send. NOTE: The printer does not
monitor this signal.
Not used
Signal ground
Not used
The printer sets this signal on "SPACE" when
it is ready to receive. This pin outputs the same
signal as pin 20, to which it is connected.
Not used
Signal ground.
The printer sets this signal on "MARK" to
indicate an error condition (machine error, no
paper, etc.).
Not used
Data Terminal Ready: The printer sets this
signal on "SPACE" when it is ready to receive.
(1) DTR/DSR mode
Space when receiveis enable.
(2) X-On/X-Off mode
Always space except during following
states
• Period between reset and communica-
tion enable
• During self printing
Not used
– 70 –
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