MagTek MT-211232 RS-232 3-TRACK - Manual (Page 13)

Section 1. Features and Specifications
7
Figure 1-4 shows the Reader, cable and optional adaptor. Pin numbers and signals are listed in
Table 1-5.
9 Pin Connector
LED Indicator
9 Pin Connector 9 To 25 Pin
Adaptor
1
1
14
25
13
6
9
5
Figure 1-4. Reader, Cable, and Optional Adapter
Table 1-5. 9-Pin Connector and 25-Pin Adaptor
DE 9-Pin Connector 25-Pin Adaptor Signal
1 8 NC
2 3 RXD
3 2 TXD
4 20 DTR*
5 7 GND
6 6 DSR*
7 4 RTS*
8 5 CTS*
9 22 NC
*The control signals on pins 4, 5, 6, and 20 are not supported in this
unit and are wired as indicated.