Support Document

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The IOX-RS232 allows external devices — gas detection monitors, weighing scales, or pressure monitors — to send data through the Geotab® GO™ device to MyGeotab™.

Top Features

  1. Geotab SDK integration facilitates data extraction from MyGeotab.
  2. Compatible with Geotab’s standard third-party protocol (my.geotab.com/sdk).

IOX Hardware Technical Specifications

Technical Specs

IOX-RS232F / IOX-RS232M

IOX-RS232D

Functionality

IOX-RS232F and IOX-RS232M are a universal type of RS232 interface that uses standard DB9 connections. Also includes flow control pins if required.

IOX-RS232D is used to interface in an OEM environment with a Delphi Automotive connector. Only RX and TX are exposed for Data Transfer.

Weight

100 g

68 g

Size

Overall Length: 1260 mm L

Widest Point: 34 mm W × 16 mm H

Overall Length: 1090 mm L

Widest Point: 28 mm W x 8 mm H

Housing

PC+ABS clamshell casing

PC+ABS clamshell casing

Interfaces

CAN: 500 kb/s; for daisy chaining

RS232 Male/Female: 300 to 115,200 baud, parity, data bits, and flow control

RS232 Male/Female: 300 to 115,200 baud, 8 data bits, and 1 stop bit

CAN: 500 kb/s; for daisy chaining

RS232 Male/Female/Delphi: 300 to 115,200 baud, parity, data bits, and flow control

RS232 Male/Female/Delphi: 300 to 115,200 baud, 8 data bits, and 1 stop bit

Nominal Input Voltage

12 V / 24 V

12 V / 24 V

GO9 can source a maximum total current to the IOX in Daisy Chain

40 mA at 12 V / 24 V Operating mode (typical/nominal current draw)

100 mA at 12 V / 24 V Operating mode (max. current draw)

0.4 mA at 12 V / 24 V Sleep mode (min. current draw)

40 mA at 12 V / 24 V Operating mode (typical/nominal current draw)

100 mA at 12 V / 24 V Operating mode (max. current draw)

0.4 mA at 12 V / 24 V Sleep mode (min. current draw)

Temperature Rating

−40 ℃ to +85 ℃

−40 ℃ to +85 ℃

Connectors

Male Mini-USB Type-B connector: Daisy chain power and CAN in

Female Mini-USB Type-B connector: Daisy chain power and CAN out

DB9 Male (IOX-RS232M) or Female (IOX-RS232F)

Dual Wire: red and black wires used for third-party device power


Front view of DB9 RS-232 Black Male Connector

DB9 RS-232 Black Male Connector

2. Purple - RX

3. Green - TX

4. Brown - DTR

5. Black/White - SGND

7. Gray - RTS


Front view of DB9 RS-232 Black Female Connector

DB9 RS-232 Black Female Connector

2. Green - TX

3. Purple - RX

5. Black/White - SGND

6. Brown - DTR

8. Gray - RTS

IOX-RS232D has only an Aptiv 3-way Male connector


Rear view of Aptiv 3-Way Male Connector


Aptiv 3-Way Male Connector

A. Black - GND

B. Purple - RX

C. Green - TX


Installation

Male Mini-USB connector connects to the GO Device or another IOX™

DB9 connects to a serial device

Male Mini-USB connector connects to the GO Device or another IOX

Aptiv 3-Way Male Connector connects to a serial device

Compatible Devices

All GO7® and newer devices and variants

All GO7® and newer devices and variants

GO9 can source a maximum total current to the IOX in Daisy Chain

2750 mA @ 12 V/24 V

✱ NOTE: For each IOX in the Daisy Chain, add the Max Current draw, and do not exceed the Max. total IOX current draw.

2750 mA @ 12 V/24 V

✱ NOTE: For each IOX in the Daisy Chain, add the Max Current draw, and do not exceed the Max. total IOX current draw.


Extension Cables Options

The following four extension cables have differing lengths and have been designed to be used with the IOX-RS232D. Please refer to the Harness Identification and Application document for more information on the best extension cable for your application.

Harness Name

Description

Application Type

HRN-UD03S6

6 ft extension cable use for IOX-RS232D

3-pin Delphi Automotive Connector. Only RX and TX are exposed for Data Transfer.

HRN-UD03S7

8 ft extension cable use for IOX-RS232D

3-pin Delphi Automotive Connector. Only RX and TX are exposed for Data Transfer.

HRN-UD03S8

10 ft extension cable use for IOX-RS232D

3-pin Delphi Automotive Connector. Only RX and TX are exposed for Data Transfer.

HRN-UD03S9

14 ft extension cable use for IOX-RS232D

3-pin Delphi Automotive Connector. Only RX and TX are exposed for Data Transfer.

IOX Installation Instructions

! IMPORTANT: Professional installation (Certified Geotab® Installer or equivalent) is required for the safe and proper installation of this product (harness and/or IOX). The installer must have sufficient technical knowledge and expertise for the respective installation.

WARNING! Always read and follow all safety information, including Important Safety Information and Limitations of Use, before harness and/or IOX installation. Disconnect the GO device from the vehicle before installation and connect it post-installation (see goo.gl/rkLRiA). Failure to follow these instructions and warnings can result in loss of vehicle control and serious injury or vehicle damage.



How to Install IOX-RS232

1

Unplug the GO device from the vehicle and remove the IOX expansion port cover on the GO device.

Line drawing of GO device (Side view)

2

Plug the 90° USB connector from the IOX into the GO device. Secure the USB connector using a cable tie.

NOTE: Insert the USB connector in the orientation displayed in the image.

NOTE: Over tightening the cable tie may damage the USB connector.

Line drawing of IOX USB connector being plugged in to GO device

3

Choose an appropriate mounting location for the RS232 accessory.

✱ NOTE: The location you choose for the GO Device influences the locations available to mount the accessory due to the wire length on the IOX-RS232. Please ensure the installation does not interfere with safe vehicle operation.


4

Connect the third-party device to the IOX-RS232 using the DB9 Female or Male connector (IOX-RS232F , IOX-RS232M) or Delphi connector (IOX-RS232D).


5

The external red and black wires on the IOX-RS232 are used to supply power to a third-party device. The red wire connects to device power, and the black wire connects to device ground.

WARNING! The red and black IOX-RS232 wires are powered when the GO device is on. If they are not being used, ensure they are properly insulated to prevent any electrical hazard.

WARNING! Connecting the IOX-RS232 red and black wires to any vehicle power source may cause electrical heat/fire damage to the GO device, vehicle and/or serious burn injury. IOX-RS232 red and black wires must only be connected to provide power to a third-party device load.


6

Once you connect the IOX-RS232 to the GO device, plug in the GO device and immediately start the vehicle. The GO device enters debug mode.

Line drawing of GO device being installed in asset

7

Navigate to myinstallpub.geotab.com to verify that the device is communicating.

  1. In the Installer information section, enter the installer’s name and company name. Select the next section.
  2. In the Device serial number section, enter the 12-digit alphanumeric serial number, located on the bottom of the device, then click Validate. Select the next section.
  3. In the Device status section, review the status of the device. The PASS status indicates the device communicated with the network in the last 24 hours. The FAIL status indicates the device has not communicated with the network in the last 24 hours. Select the next section.
  4. In the Vehicle section, enter the vehicle-related information.
  5. NOTE: If the device is not communicating, please ensure the device is installed correctly and try again.

Image of MyInstall user interface

Termination Shunt

The IOX comes with a termination shunt installed in the expansion port. If you plan to install more than one IOX in a daisy chain, you must remove the shunt from each device in the line, except for the last IOX connected. The shunt must remain in the last IOX and secured with a cable tie.

The shunt in the last IOX device ensures the GO device detects and configures the IOX, as effectively as possible.

NOTE: Failing to install the shunt in the last IOX could affect IOX communication. It is recommended that you secure the shunt using a cable tie if not already done.



Important Safety Information and Limitations of Use

For the latest version of Limitations of Use, please visit: goo.gl/k6Fp0w.

WARNING! Do not attempt to install, configure or remove any product from any vehicle while the vehicle is in motion or otherwise in operation. All installation, configuration or removal must be done only in stationary vehicles which are securely parked. Attempting to service units while being operated could result in malfunctions or accidents, leading to death or serious personal injury.

WARNING! All in-vehicle devices and related cabling must be securely fastened and kept clear of all vehicle controls, including gas, brake and clutch pedals. You must inspect devices and cab on a regular basis to ensure all devices and cabling continue to be securely attached. Loose cabling or devices may impede the use of vehicle controls, resulting in unanticipated acceleration, braking or other loss of vehicle control, which could lead to death or serious personal injury. Improperly fastened in-vehicle devices may detach and impact operators upon sudden acceleration or deceleration, which may cause injury.

WARNING! If at any point after an in-vehicle device is installed a warning light illuminates on the vehicle dash or the vehicle stalls or has a marked drop in performance, shut off the engine, remove the device, and contact your Reseller. Continuing to operate a vehicle with these symptoms can cause loss of vehicle control, and serious injury.

WARNING! Your in-vehicle devices must be kept clear of debris, water and other environmental contaminants. Failure to do so may result in units malfunctioning or short-circuiting that can lead to a fire hazard or vehicle damage or serious injury.

WARNING! Do not attempt to remove the devices from the vehicle in which they are originally installed for installation in another vehicle. Not all vehicles share compatibility, and doing so may result in unexpected interactions with your vehicle, including sudden loss of power or shutdown of the vehicle’s engine while in operation or cause your vehicle to operate poorly or erratically and cause death or serious injury and/or vehicle damage.

NOTICE: This product does not contain any user-serviceable parts. Configuration, servicing, and repairs must only be made by an authorized reseller or installer. Unauthorized servicing of these products will void your product warranty.

Regulatory Statements

USA

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

✱ NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

    1. Reorient or relocate the receiving antenna.
    2. Increase the separation between the equipment and receiver.
    3. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
    4. Consult the dealer or an experienced radio/TV technician for help.

    Changes or modifications not expressly approved by Geotab could void the user’s authority to operate the equipment.

    CANADA

    CAN ICES-003 (B) / NMB-003 (B)

    EU

    SCIP Number(s) IOX-RS232D: ebcd336c-2ff6-44a5-a9ed-afcc04c14f30 IOX-RS232F: 4765f839-9191-47a1-9ae9-19676cfc6ad2 IOX-RS232M: 0efdae48-84af-4f83-b4e1-b3c8dbad88e4

    Germany

    Wir besitzen keine Versand- und Lagerfläche in Deutschland und sind nicht von der Rücknahmepflicht nach § 17 ElektroG betroffen.


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