MagTek MT-211232 RS-232 3-TRACK - Manual (Page 10)

RS-232 Swipe Reader, 3-Track
4
Pin numbers and signal descriptions for the 9-pin cable shown in the illustration are listed in
Table 1-1.
Table 1-1. 9-Pin Connector Pin Numbers
Pin
Number Signal Description
1
2 TXD Transmitted Data, RS-232 Signal. Transmits data from the
Reader to the Host.
3 RXD Received Data, RS-232 Signal. Receives data from the Host
to the Reader.
4* DTR Data Terminal Ready, RS-232 Signal. Transmits a signal to
the Host to indicate that the Reader is active, i.e., power is on.
5 GND Ground
6* DSR Data Set Ready, RS-232 Signal. Receives a signal from the
Host to indicate that the Host is active, i.e., power is on.
7* RTS Request to Send, RS-232 Signal. Sends a signal to the Host
to indicate that the Reader is ready to transmit data.
8* CTS Clear to Sent, RS-232 Signal. Receives a signal from the
Host that allows data to be transmitted.
9
*The control signals on pins 4 and 6 and 7 and 8 are not supported in this unit and are wired
as indicated, on the PCB Connector JP1.
OPTIONS
The optional cables and adaptor for the Reader are as follows:
Title Description Part Number
RS232 Y Cable 4-Pin RJ11 to 9-Pin DB Female 6 ft. 21083581
RS232 Y Cable 4-Pin RJ11 to 25-Pin DB Female 6 ft. 21083582
RS232 Y Cable 4-Pin RJ11 to 25-Pin DB Male 6 ft. 21083583
Adaptor 9-pin DE Male to 25-pin DB Female, 1.8 in. 78200018
The cables are shown in Figure 1-3. The 9-pin connector is shown on top and the 25-pin
connectors are shown below. The installation is shown in Section 2.