
Linux
1. Navigate to: www.StarTech.com/2S232422485-PC-CARD
2. Click the Drivers/Downloads tab.
3. Under Driver(s), download the Driver Package for the Linux Operating System.
4. Follow the Linux Driver Installation Guide that was extracted.
Verify Driver Installation
Windows
1. Navigate to the Device Manager.
2. Under Ports (COM & LPT), right-click AX99100 PCIe to High Speed Serial Port and
click Properties.
3. Conrm that the Driver is installed and working as expected.
Verify Driver Installation (Linux)
1. Run lsmod | grep r8125 from the command line.
2. Verify that the Driver is present in the command line.
DB9 Pin Out
Pin RS-232 RS-422/RS-485 (4 Wire) RS-485 (2 Wire)
1DCD TXD- -(485)
2RXD TXD+ +(485)
3TXD RXD+ X
4DTR RXD- X
5GND GND GND
6DSR
7RTS
8CTS
9RI/PWR
Install the Card
Note: If the PCIe Card is to be installed into a Small Form Factor or Low-Prole
Desktop, it’s required to replace the pre-installed Full-Prole Bracket with the included
Low-Prole Brackets. The DB9 Serial Ports that use Ribbon Cables will need to be
installed on the separate Low-Prole Brackets.
1. Turn o the Computer and disconnect the Power Cable and any Peripheral
Devices that are connected (e.g. printers, external hard drives, etc.).
2. Remove the Cover from the Computer Case.
Note: Consult the documentation that came with the computer for details about how
to do this safely.
3. Locate an open PCIe Slot and remove the corresponding Metal Cover Plate(s) from
the rear of the Computer Case. In most instances, the Metal Cover Plate is attached
to the rear of the Computer Case with a single Phillips Head Screw. Save this
Phillips Head Screw for the next step.
4. Gently insert the Serial Card into the open PCIe Slot and fasten the Bracket(s) to
the rear of the Computer Case, using the Phillips Head Screw from Step 4.
5. (Optional) Connect SATA Power from the Computer Power Supply to the SATA
Power Connector, located on the rear of the Serial Card.
6. Replace the Cover from the Computer that was removed in Step 2.
7. Reconnect all of the Peripheral Devices that were disconnected in Step 1.
8. Reconnect the Power Cable to the rear of the Computer.
Install the Driver
Windows
1. Navigate to: www.StarTech.com/2S232422485-PC-CARD
2. Click the Drivers/Downloads tab.
3. Under Driver(s), download the Driver Package for Windows Operating System.
4. Open the Driver Package and locate the corresponding folder for the Windows
Version.
5. Execute the Setup File to install the driver.
Regulatory Compliance
FCC - Part 15
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 o and on, the user is encouraged to try to correct the interference by one or
more of the following measures:
• Connect the equipment into an outlet on a circuit dierent from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help
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. Changes or modications not expressly approved by StarTech.com could
void the user’s authority to operate the equipment.
Industry Canada Statement
This Class B digital apparatus complies with Canadian ICES-003.
Cet appareil numérique de la classe [B] est conforme à la norme NMB-003 du Canada.
CAN ICES-3 (B)/NMB-3(B)
This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two
conditions:
(1) This device may not cause interference, and (2) This device must accept any interference, including interference that may
cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation
est autorisée aux deux conditions suivantes:
(1) l’appareil ne doit pas produire de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique
subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.
Warranty Information
This product is backed by a two-year warranty.
For further information on product warranty terms and conditions, please refer to www.startech.com/warranty.
Limitation of Liability
In no event shall the liability of StarTech.com Ltd. and StarTech.com USA LLP (or their ocers, directors, employees or agents)
for any damages (whether direct or indirect, special, punitive, incidental, consequential, or otherwise), loss of prots, loss
of business, or any pecuniary loss, arising out of or related to the use of the product exceed the actual price paid for the
product. Some states do not allow the exclusion or limitation of incidental or consequential damages. If such laws apply, the
limitations or exclusions contained in this statement may not apply to you.
Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols
This manual may make reference to trademarks, registered trademarks, and other protected names and/or symbols of third-
party companies not related in any way to StarTech.com. Where they occur these references are for illustrative purposes only
and do not represent an endorsement of a product or service by StarTech.com, or an endorsement of the product(s) to which
this manual applies by the third-party company in question. StarTech.com hereby acknowledges that all trademarks,
registered trademarks, service marks, and other protected names and/or symbols contained in this manual and related
documents are the property of their respective holders. PHILLIPS® is a registered trademark of Phillips Screw Company in the
United States or other countries.
FR: startech.com/fr
DE: startech.com/de
ES: startech.com/es
NL: startech.com/nl
IT: startech.com/it
JP: startech.com/jp
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