Transition Networks RS-232-TO-100BASE-FX Copper DB-9 RS-232serial cable specifications, Pinouts

Transition Networks SDSFE31xx-100 Industrial Device Server

Copper DB-9 (RS-232)serial cable specifications

What is RS-232	RS-232 is a serial device control protocol that provides an interface between Data
(DB-9)?	Terminal Equipment (DTE) and Data Communications Equipment (DCE) that
	employs serial binary data interchanges.
DB-9 cable
	Wire category:	3 to 5
specifications	Maximum data rate:	100Kb/s, 115.2Kb/s asynchronous (distance dependent)
	Gauge:	24 to 22 AWG
	Maximum cable distance:	50 ft (15.24 m)
DB-9 cable	Figure 59 shows the DB-9 (RS-232)serial cable pin assignments and pinout chart.
pinouts

DB-9 Connector Pin Assignments

No Code Description Signal

Direction

1

2

3

4

5

6

7

8

9

DCD	Data Carrier Detect	IN
RX	Receive Data	IN
TX	Transmit Data	OUT
DTR	Data Terminal Ready	OUT
GND	Ground	—
DSR	Data Set Ready	IN
RTS	Request to Send	OUT
CTS	Clear to Send	IN
RI	Ring Indicator	IN

Figure 59: DB-9 Connector and Cable Pin Assignment Chart

Note: The Device Server is configured as a DTE device. Use a straight-through cable for connecting to a DCE device, or a crossover cable for connecting to other DTE devices.

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