Hardware Installation - StarTech.com I23-SERIAL-ETHERNET User Manual

Hardware Installation

(Optional) Configure DB-9 Pin 9 Power
By default, the Serial Device Server is configured with the Ring Indicator (RI)
on Pin 9, but it can be changed to 5V DC. To change the DB9 Connector Pin 9
to 5V DC output, please follow these steps:
WARNING! Static Electricity can severely damage electronics. Ensure that
you are adequately Grounded before you open the device housing or touch
the change the jumper. You should wear an Anti-Static Strap or use an
Anti-Static Mat when opening the housing or changing the jumper. If an
Anti-Static Strap isn't available, discharge any built-up static electricity by
touching a large Grounded Metal Surface for several seconds.
1. Ensure the Power Adapter and all Peripheral Cables are disconnected from
the Serial Device Server.
2. Using a Phillips Screwdriver, remove the Screws from the Housing.
Note: Save these to re-assemble the housing after changing the jumper.
3. Using both hands, carefully open the Housing to expose the Circuit Board
inside.
4. Identify Jumper #4 (JP4), located inside the Housing next to the DB9
Connector.
5. Using a pair of fine-point tweezers or a small flat-head screwdriver, carefully
move the jumper to the 5V position.
6. Re-assemble the Housing, ensuring the Housing Screw Holes align.
7. Replace the Housing Screws removed in Step 3.
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