IPEX PH485Ux4 User manual

Doc No: A-380-X-UM-001
USER’S MANUAL
IPEX
(IP Electronix)
31 December 2021
PH485Ux4
#4 RS-485/422 Over USB Isolated Multiport

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IPEX (IP Electronix)PH485Ux4: User’s Manual
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Contents
1. INTRODUCTION.......................................................................................................................................4
2. SPECIFICATIONS ......................................................................................................................................4
3. PACKAGE CHECKLIST ...............................................................................................................................5
4. FRONT PANEL ..........................................................................................................................................6
5. BACK PANEL ............................................................................................................................................6
6. INSTALLATION ON WINDOWS .................................................................................................................7
7. MANUAL INSTALLATION ON WINDOWS................................................................................................ 14
8. CHANGING COM PORT NUMBER........................................................................................................... 20
9. SPECIFYING DEVICE PORTS COM NUMBER ............................................................................................ 23
10. RS-485/RS422 SERIAL PORTS PIN CONFIGURATION..............................................................................24
11. RS-485 CONNECTING METHODS........................................................................................................ 25
11.1)RS-485: POINT TO POINT CONNECTION ……………………………………………………………………………………………….. 25
11.2) RS-485: MULTIPOINT NETWORK ………………………………………………………………………………………………………… 25
12. RS-422 CONNECTING METHODS........................................................................................................ 26
12.1)RS-422: POINT TO POINT …………………………………………………………………………………………………………………. 26
12.2) RS-422: MULTI DROP NETWORK ……………………………………………………………………………………………………….. 26
13. GUARANTEE ...................................................................................................................................... 27
14. TECHNICAL SUPPORT ........................................................................................................................ 27

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IPEX (IP Electronix)PH485Ux4: User’s Manual
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1. Introduction
IPEXPH485Ux4 is an USB Adapter Multiport that provides #4 RS-422 (4-Wire, Full Duplex) or #4 RS-485 (2-Wire,
Half Duplex) ports, from a single USB Port. This device adds 4 serial COM ports through its USB connection and
enables your laptop or workstation with the ability to communicate between a USB port and up to #4 serial
peripherals with baud rate from 300bps to 230400bps simultaneously.
PH485Ux4 is designed for industrial usage and are useful for Industrial Automation, Telecommunications,
SCADA systems, DCS systems ….
2. Specifications
4-Ports RS-485(2-Wire, Half Duplex) or RS-422(4-Wire, Full Duplex) USB-to-Serial Hub
Hi-speed USB 2.0 supported (up to 480 Mbps)
Add Four COM Port to your PC
Fully Plug & Play
External Power (8V to 48V DC)
Serial transmission speed up to 230.4 kbps
Driver Supported: Microsoft Windows 10/11/CE/Sever2019/Server2022, Linux, Mac OS and Android (32 &
64 Bits) Operating Systems
Power (Green) LED Indicator
USB (Green) LED Indicator
Transmit (Blue) and Receive (Yellow) LED Indicator for All Ports
Operating Temperature: -10°C to +70°C (+14°F to +158°F)
1 Year Guarantee and 5 Years Support

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3. Package Checklist
Before installing the PH485Ux4, verify that the package contains the following items:
1) #1 PH485Ux4 Multiport 2) #1 USB Cable
3) #1 Document and Driver CD-ROM 4) #4 DB9 Female Connector
5) #1 220V AC to 12V DC Adaptor 6) #2 Din Rail Brackets with the corresponding screws
NOTE: Notify your sales representative if any of the above items is missing or damaged.

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4. Front Panel
5. Back Panel

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6. Installation on Windows
After you plug PH485Uix to USB port, you can see 4 new devices in the Device Manager window as below:
(To run Device Manager, right click on My Computer, select Properties and then select Hardware tab, finally
click on Device Manager button like following picture or simply use "WIN-KEY + R" and then type DEVMGMT and
press Enter)

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However, installation progress will be start automatically, and following window will be seen,
Select option "No, not this time" and then click "Next",

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Select "Install from a list or specific location (Advanced)" and click "Next",
Select "Include this location in the search:" and click on "Browse",

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Select "Driver Folder" on the Installation CD and click OK.
Now, click on "Next",