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2 rs-232 device cabling – Avocent ESP Multi-Interface Serial Hub SuperSerial User Manual

Page 5

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5

Equinox ESP Multi-Interface Serial Hub Product Installation Guide

1.2 RS-232 Device Cabling

Figures 3 through 5 show the pin assignments required for an RS-232 cable

connection between the ESP RJ-45 ports and your devices.

Figure 3. Cable Pin Assignments for ESP RJ-45 to Terminal/Printer

Figure 4. Cable Pin Assignments for ESP RJ-45 to PC DB-9

Figure 5. Cable Pin Assignments for ESP RJ-45 to Modem DB-25

9

7
6
5
4
3
2
1

N/C

Signal Ground

Transmit Data

Receive Data

Data Carrier Detect

N/C

DataTerminal Ready

Request to Send

4

Request to Send

6

Data Set Ready

7

Signal Ground

3

Receive Data

2

Transmit Data

20

Data Terminal Ready

8

Data Carrier Detect

5

Clear to Send

Pin #

To ESP RJ-45 Port

Pin # To Terminal / Printer

.

DB-25 (FEMALE)

1

.....

.

..... ..

..

..

o

o o o o o o o

Cable End View

DB-25 (MALE)

1

.

.....

...... .....

........

1

Cable End View

RJ-45 (Plug)

..........

10

8

Clear to Send

N/C

9

7
6
5
4
3
2
1

7

6

5

2
3
4

1
8

N/C

Signal Ground

Transmit Data

Receive Data

Data Carrier Detect

N/C

Data Terminal Ready

Request to Send

Request to Send

Data Set Ready

Signal Ground

Receive Data

Transmit Data

Data Terminal Ready

Data Carrier Detect

Clear to Send

Pin #

Pin #

To ESP RJ-45 Port

To PC (DB-9)

.

1

Cable End View

RJ-45 (Plug)

..........

Cable End View

DB-9 (FEMALE)

1

o o o o o

o o o o

10

88

Clear to Send

N/C

9

7
6
5
4
3
2
1

4

N/C

Signal Ground

Transmit Data

Receive Data

Data Carrier Detect

N/C

Data Terminal Ready

Request to Send

5

Clear to Send

20

Data Terminal Ready

7

Signal Ground

2

Transmit Data

3

Receive Data

8

Data Carrier Detect

Request to Send

Pin #

Pin #

To ESP RJ-45 Port

To Modem

1

Cable End View

RJ-45 (Plug)

..........

Cable End View

DB-25 (MALE)

1

.

.....

...... .....

........ .

10

8

Clear To Send

N/C