I am attempting to control a device with RS232 commands.
The device has a control box that accepts RJ45 cable.
I am sending my commands via a Global Cache iTach WF2SL device which has a DB9 serial port.
I am attempting to connect the two devices using a Cat-6 T-568B cable, and a RJ45 to DB9 adapter.
The WF2SL pinout uses 2 - RX, 3 - TX, and 5 - Ground.
The control box expects what is in the image below:
Screen-Pinout462×336 35.3 KB
The adapter has the following pinout definitions:
Adapter Diagram831×771 47.9 KB
I’ve been trying to research this to determine the correct pinout but have become pretty much completely confused at this point.
I have ensured that the WF2SL is configured with the correct baud rate and additional settings.
I have tried quite a few different combinations of pinouts with no success.
Would anyone be able to dumb this down for me, and help me get the right pinout on the adapter, using the Cat-6 cable I have, to work with what the device is expecting?
Thanks in advance.
Answer from kevinicus on community.spiceworks.comCable Tester
cable-tester.com › home › pin out › rj45 rs232 console cable pin out
RJ45 RS232 Console Cable Pin Out
July 1, 2023 - Serial Console Cable Pin Out Diagram (RJ45 to RS232 female cable)
Stack Exchange
electronics.stackexchange.com › questions › 139184 › pin-assignment-on-rj45-when-using-rs232
cables - Pin assignment on rj45 when using rs232 - Electrical Engineering Stack Exchange
November 19, 2014 - \$\begingroup\$ You'll really need ... of different schemes for RS232 to RJ45. \$\endgroup\$ ... You can remap the DB9 to the RJ45 of your Lantronix EDS-MD. i have found a adapter 'pin out' in the user manual. there are Adapters and Serial Port Pinouts listet - in the overview there ...
How to: USB RS232 to RJ45 interface pinout | Hardware Canucks
If you DO get that wire, you can cut the end off the RS232 side and put on a RJ45 and have it work by wiring a DB9 pinout to RJ45 I imagine, or any sort of old school pinout cabling to match your RX/TX/RTS/CTS and power lines. ... If this is to use a console port on routers/switches, then you need a USB COM adapter ... More on hardwarecanucks.com
Confused about proper pinout with an RJ45 to DB9 adapter
I am attempting to control a device with RS232 commands. The device has a control box that accepts RJ45 cable. I am sending my commands via a Global Cache iTach WF2SL device which has a DB9 serial port. I am attempting to connect the two devices using a Cat-6 T-568B cable, and a RJ45 to DB9 adapter. The WF2SL pinout ... More on community.spiceworks.com
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March 18, 2025communication - I need pinout help for RS232 - DB9 to RJ45 - for home automation - Internet of Things Stack Exchange
The screen masking has a control box that accepts RS232 commands via ethernet cable with a male RJ45. The Global Cache IP2SL device sends commands via a serial port. I have a DB9 to RJ45 adapter attached to the IP2SL device, and ethernet running from the adapter to the control box of the screen masking. I am able to send commands, however, the screen masking doesn't do anything, and the response I receive seems to be jumbled. I believe I have something wrong with the pinout ... More on iot.stackexchange.com
RS232 to RJ45
I would like to remove the serial cable and establish a connection using a RJ45 cable. I bought some RS232 to RJ45 adaptors and I wired them using this wiring pinout: https://www.lammertbies.nl/comm/cable/yost-serial-rj45.html As you can see, in "DB9 to RJ45 serial adapter wiring diagram", ... More on electronics-lab.com
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May 2, 2018Videos
Juniper Networks
juniper.net › documentation › us › en › hardware › mx2020 › srx4600 › topics › concept › port-rj45-db9-adapter-pinout.html
RJ-45 to DB-9 Serial Port Adapter Pinout Information | Juniper Networks
The console port on a Juniper Networks ... connector pin and you want to connect your laptop or desktop PC to the device, use a combination of the RJ-45 to DB-9 socket adapter along with a USB to DB-9 plug adapter....
Hardware Canucks
hardwarecanucks.com › home › forums › pc builders & tweakers corner › guides & how-to's
How to: USB RS232 to RJ45 interface pinout | Hardware Canucks
December 21, 2014 - If you DO get that wire, you can cut the end off the RS232 side and put on a RJ45 and have it work by wiring a DB9 pinout to RJ45 I imagine, or any sort of old school pinout cabling to match your RX/TX/RTS/CTS and power lines. ... If this is to use a console port on routers/switches, then you ...
Perle
perle.com › support_services › cabling › documents › iolan - rj45 cable diagrams.pdf pdf
Perle IOLAN+ RJ45 RS232 serial cable diagrams
Note: Perle manufactures this adapter and cable type. Part# 04006932 RJ45 to
Top answer 1 of 9
4
I am attempting to control a device with RS232 commands.
The device has a control box that accepts RJ45 cable.
I am sending my commands via a Global Cache iTach WF2SL device which has a DB9 serial port.
I am attempting to connect the two devices using a Cat-6 T-568B cable, and a RJ45 to DB9 adapter.
The WF2SL pinout uses 2 - RX, 3 - TX, and 5 - Ground.
The control box expects what is in the image below:
Screen-Pinout462×336 35.3 KB
The adapter has the following pinout definitions:
Adapter Diagram831×771 47.9 KB
I’ve been trying to research this to determine the correct pinout but have become pretty much completely confused at this point.
I have ensured that the WF2SL is configured with the correct baud rate and additional settings.
I have tried quite a few different combinations of pinouts with no success.
Would anyone be able to dumb this down for me, and help me get the right pinout on the adapter, using the Cat-6 cable I have, to work with what the device is expecting?
Thanks in advance.
2 of 9
0
2 to 3, 3 to 2 and 5 to 5.
Details Pin
detailspin.com › home › rs232 to rj45 adapter pinout guide
RS232 to RJ45 Adapter Pinout Guide - Everything You Need to Know
November 22, 2025 - One key aspect to comprehend is the mapping of signals from RS232 pins to the corresponding pins on the RJ45 connector. This mapping ensures that the correct electrical signals are exchanged between the devices, enabling them to communicate effectively. Signal conversion is a significant ...
US Converters
usconverters.com › downloads › support › db9_rj45_assembeling_guide.pdf pdf
www.usconverters.com Making a DB to RJ45 adapter.
DB9 to RJ45 adapters are often used in combination with a RS232 repeater for extending the distance of · a serial RS232 link, but can be used for any adapter or converter purposes. Standard Pinouts.
Lammert Bies
lammertbies.nl › home › tutorials on computer interfacing › cables for data interfacing › yost serial device wiring
Yost serial device wiring: RS232 on RJ45 - Lammert Bies
May 13, 2021 - The wiring of a Yost RS232 to RJ45 adapter for a DCE is more or less a mirror of the DTE adapter wiring. The Yost standard defines the wiring scheme for both DB9 and DB25 connectors.
Digi International
digi.com › support › knowledge-base › digi-connect-it-4-mini-and-digi-connect-it-16-48-r
Digi Connect IT 4/Mini & Digi Connect IT 16/48 - RJ45 RS232 Serial Pinout Differences | Digi International
Select your product for firmware, drivers, software, knowledge base articles and manuals · Digi Connect IT 16 & Digi Connect IT 48 use the same 8-wire RJ45 RS232 pinout
Stack Exchange
iot.stackexchange.com › questions › 8076 › i-need-pinout-help-for-rs232-db9-to-rj45-for-home-automation
communication - I need pinout help for RS232 - DB9 to RJ45 - for home automation - Internet of Things Stack Exchange
January 23, 2025 - The screen masking has a control box that accepts RS232 commands via ethernet cable with a male RJ45. The Global Cache IP2SL device sends commands via a serial port. I have a DB9 to RJ45 adapter attached to the IP2SL device, and ethernet running from the adapter to the control box of the screen masking. I am able to send commands, however, the screen masking doesn't do anything, and the response I receive seems to be jumbled. I believe I have something wrong with the pinout ...
Aggsoft
aggsoft.com › rs232-pinout-cable › serial-cable-connections.htm
Most Popular RS232 or Computer Serial Port Connectors
Discover the essential pinouts and signal details for common RS232 connectors including DB9, DB15, DB25, RJ45 for seamless serial cable connections.
Amazon
amazon.com › Adapter-Ethernet-Converter-Compatible-Standard › dp › B08JLWRFH6
Amazon.com: DTECH DB9 to RJ45 Serial Adapter RS232 Female to RJ-45 Female Ethernet Converter Compatible with Standard 9 Pin RS-232 Devices : Electronics
A simple, cost effective solution to process serial data communication between RS232 COM port devices over inexpensive cat5 cat6 RJ45 network cable · DB9 female to RJ45 modular adapter converts DB9 female connector into an RJ45 female connector ...
Draper
draperinc.com › windowshades › productdetailmotors.aspx
DB9 to RJ45 Adapter for RS232 :: Draper, Inc.
The DB9 to RJ45 Adapter for RS232 enables conversion from a 9-pin DB connector to an RJ45 interface, supporting serial communication across compatible systems.
NetworkTechInc
networktechinc.com › serial-rj45-adapters.html
Console Serial Port Adapters RJ45 Connectors, DB9M DB25 RJ45 Pins
August 25, 2025 - Serial RS232 crossover using a male RJ45 connector on one end and a female RJ45 connector on the other (Male to Female)
Call 330-562-7070
Address 1275 Danner Dr., 44202, Aurora
Febo
febo.com › reference › rs232.html
RS-232 Wiring
May 6, 2026 - I haven't found any standard mapping ... modular RJ45 to DB-9 adapters that I use, so this is what I came up with. Note that it cleverly appears to wire the two connectors with exactly opposite pin numbers. Oh, well... Copyright 1996 - 2019 by John Ackermann unless otherwise noted above. See Copyright and Other Legal Stuff for more information. /reference/rs232.html was last ...
Scribd
scribd.com › document › 507300563 › RS232-on-DB25-RJ45-ABB
RS232 to RJ45 Wiring Standards | PDF | Computer Science | Equipment
This document provides wiring standards and pinout diagrams for RS232 serial connections using DB25, DB9, and RJ45 connectors. It specifies the pin assignments and signals for straight-through and null modem cabling configurations between devices. Light blue coloring in one diagram indicates the standard wiring used for industrial control interface cables.
Tektronix
tek.com › tektronix › faqs › what is the pin out of the ths700 rj45 connector (rs232)?
What is the pin out of the THS700 RJ45 connector (RS232)? | Tektronix
Whether positive or negative, your feedback helps us continually improve the Tek.com experience. Let us know if you're having trouble or if we're doing an outstanding job. Tell us what you think · What is the pin out of the THS700 RJ45 connector (RS232)? Also the part number for a replacement ...
Electronics-Lab
electronics-lab.com › home › forums › general electronics questions › general electronics discussion
RS232 to RJ45 | Electronics Forums
May 2, 2018 - I would like to remove the serial cable and establish a connection using a RJ45 cable. I bought some RS232 to RJ45 adaptors and I wired them using this wiring pinout: https://www.lammertbies.nl/comm/cable/yost-serial-rj45.html As you can see, in "DB9 to RJ45 serial adapter wiring diagram", ...
Blackwire
blackwiredesigns.com › home › store › structured wiring › connectors & adapters › rj45 to 3.5mm rs232 adapter cable
RJ45 to 3.5mm RS232 Adapter Cable | B2B | Blackwire
April 16, 2026 - Input ports are provided on many of today’s most popular displays, such as Samsung Ex-Link and others.* Planet Waves Link Control Cables allow fast and easy serial connections to your input control port from many of the most popular control ...