Appendix D: Serial Interface; D-1. Rs-232C Connector - Star Micronics TSP2000 Series User Manual

D-1. RS-232C Connector

Signal
Pin No.
name
1 FG Frame ground
2 TXD Send data
3 RXD Receive data
4 RTS Request to send
5 –
6 DSR Data set ready
7 SG Signal GND
8 –
9 –
10 –
11 –
12 –
13 –

Appendix D: Serial Interface

I/O
Function
direction
OUT
IN
OUT
IN
13 12 11 10 9 8
25 24 23 22 21
<Viewed from Connector Surface>
Signal
Pin No.
name
14 –
15 –
16 –
17 –
18 –
19 –
20 DTR Data terminal ready
21 –
22 –
23 –
24 –
25 INIT
7 6 5 4 3
20 19 18 17 16 15
– 96 –
I/O
Function
direction
OUT
Reset IN
2 1
14