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Quatech SSU2-400I - page 1
USB to RS-232/422/485 Isolated Converter Quatech Model SSU2-400I Operation Manual ...
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Quatech SSU2-400I - page 2
1 First Edition, Jun 2008 ...
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2 T able of Contents 1. Introduction ……………………………………………… 2 2. Package checklist …………………………………………… 3 3. Product Specification …………………………………… 4 4. Product Panel Views Description …………………… 7 Product Views ……………………………? ...
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Quatech SSU2-400I - page 4
3 1 1 Introduction Thank you for your purchas e of the USB to serial adapter . Featuring USB (Universal Serial Bus) interface techno logy , it is convert ed the USB to RS-232 or industrial RS422/485, so it can be easily adopted for industrial machines with RS232 or RS422/485 interfaces. The USB to Serial converter is fully comp atible with the USB ...
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Quatech SSU2-400I - page 5
4 2 2 Package checklist This product is shipped with the following items: 1 unit of USB to RS-232/422/485 Isolated converter 1 unit of A type to B type USB cable User Operation Manual Software CD NOTE: Notify your sales representative if any of the abov e items is missing or damaged ...
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Quatech SSU2-400I - page 6
5 3 3 Product Specification Serial Port RS-232 ● No. of Ports : RS-232 * 1 Port ● Port T ype : DB9 male ● RS-232 Signals : DCD , RX , TX , GND , R TS , CTS , DTR , DSR ● Receive buffer : 576 Byte ● T ransmit buf fer : 640 Byte ● Baud Rate Speed : 300 bps 921.6k bps ● Parity :None , Odd , Even , Space , Mark ● Data Bit : ...
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Quatech SSU2-400I - page 7
6 RS-422/485 ● No. of Ports : 422/485 * 1 Port (T erm inal Block) ● RS-422 Signals : RxD+ , RxD- , TxD+ , TxD- in Full-duplex (Sur ge Protection) ● RS-485 Signals : Data+ , Data- in Half-duplex (Surg e Protection) ● Receive buffer : 576 Byte ● T ransmit buf fer : 640 Byte ● Baud Rate Speed : 300 bps 230.4k bps ● Built-in RS-42 ...
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Quatech SSU2-400I - page 8
7 Humidity: 5-95% RH Dimensions : 88 * 91 * 27 mm ( W * D * H ) WEIGHT : 94 gm Regulatory Approvals : ● EMC : FCC Class A, CE Class A ● W ARRANTY : 1 Y ear ...
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Quatech SSU2-400I - page 9
8 4 4 Product Panel Views Description Pr oduct V i ews USB T ype B Connector Power Outlet - The USB to Serial c onverter is powere d by USB (Universal Serial Bus) port a single 5V DC (Inner positive/outer neg ative) power supply and 500mA of current. If the p ower is properly supplied , the SYS indicator of red color LED will be on. Ser ial I/O Por ...
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Quatech SSU2-400I - page 10
9 This converter ’s USB port is a U SB type B connector and it is f ully compatib le with the USB V1.1 ~ 2.0. Serial I/O Port Serial I/O Port of RS-232/422/485 T o connected the serial data cable between the conver ter and the serial device. Follow the paramete r setup procedures to co nfigure the converter (see the fo llowi ng chapters). T ermin ...
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Quatech SSU2-400I - page 11
10 LED Indicators SYS (Red) It is a power indicator (When the powe r is on, the SYS LE D will be on.) RX (Orang e) Data received indicator (When data are received from the USB, the RX LED will be on.) TX (Green) Data sent indicator (When data are se nt o ut to the USB, the TX LED will be on.) ...
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Quatech SSU2-400I - page 12
11 5 5 Driver Installation When setting up this converte r for the first time, you hav e to install the driver CP201x first in your computer device be fore connecting it. There are several OS as Windows 98 / XP / 2000 / Vista …, Linux …, Mac … The utility CD is enclosed in the device box. The driver of all these USB to RS-232/422/485 converte ...
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Quatech SSU2-400I - page 13
12 If your computer equi pment is runnin g Windows OS that the pop-up screen of installing massage will be showed as “CP210x VCP Drivers fo r Windows 2000/XP/2003 Server/Vista on your comp uter” and then to Cl ick “Next” icon for go ing to next step. C. Choose “Accept” item of license agreement After reading the license agreement then i ...
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Quatech SSU2-400I - page 14
13 D. Choose destination location It is for saving the CP201x driver software in destination location of computer. E. Execute the program installation Click the “install” icon to begi n installation of CP210x driver. ...
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Quatech SSU2-400I - page 15
14 F. Scan and install CP 210x USB to UART Br idge Driver Installer After click “Install” icon, system is going to scan CP210x USB to UART Bridge driver installer and installation location. ...
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Quatech SSU2-400I - page 16
15 G. “System Settings Change” Notice The massage is notified you that your computer has been changed after installing of CP210x U SB to UART Bridge Driv er Installer. The new setting will take effect after restarting your computer. H. InstallShield Wizard Complete CP201x driver has successfully install ed and click “Finish” icon for exitin ...
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Quatech SSU2-400I - page 17
16 6 6 Hardware Installation & Setup Hardware Inst allation 1. Power on your co mputer and until OS is ready after booting 2. USB cables have two dist inct connectors. The Type A connector is used to connect the cable from a USB device to the Type A port on a computer or USB hub. The Type B connector is used to attach the USB cable to a USB ...
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Quatech SSU2-400I - page 18
17 4. Connect the serial port (RS2 32 or RS422 or RS485) equi pments to this USB to serial converter. 5. After connecting the USB to serial conv erter, then a massage as “New device has been connected” will be pop-up on screen. Howeve r, the CT201x driver needs to be install ed in PC in advance. 6. The SYS indicator of red LE D will be turn int ...
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Quatech SSU2-400I - page 19
18 Hardware Setup When the USB to serial conv erter has successfully connected and you can setup more detailed parameter s by Computer’s Management. A. Into “Manage” icon in My Computer Click “My Computer” icon and then pr ess the right si de button of mouse. After you click the manage item on list bar then “Computer Management (Loc ...
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Quatech SSU2-400I - page 20
19 B. Choose “Device Ma nager” and click “Por ts(COM & LPT)” in Device Manager Click “Device Manager” item , all devices of compute r will be list on right site of screen and then clic k “Ports (COM & LPT) it em for looking for more COM devices. C. Detail parameters of CP210x USB t o UART Bridge Controller Click “CP210x USB ...
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Quatech SSU2-400I - page 21
20 D. Device status of CP210x USB to UART Bridge Controller This is showing the st atues of device and some product general information. COM port number of device is also display on. E. “Driver” detail information This is for checking more detail infor mation of driver in this device. ...
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Quatech SSU2-400I - page 22
21 F. “Details” item It is for checking device ID numbers as device instance ID. ...
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Quatech SSU2-400I - page 23
22 A A p p p p e e n n d d i i x x A A Pin outs and Connector □ □ □ USB Layout Diagram Type A USB Connector Type B USB Connector □ □ □ RS-232 Pin Assignment The pin assignment scheme for a 9-pi n male connector is given below. PIN 1 : DCD PIN 2 : RXD PIN 3 : TXD PIN 4 : DTR PIN 5 : GND PIN 6 : DSR PIN 7 : R TS PIN 8 : CTS PIN 9 : X □ ...
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Quatech SSU2-400I - page 24
23 Serial Device USB to RS-232/422/485 Converter 2 R X 3 T X 3 T X 2 R X 5 G N D 5 G N D 7 R T S 8 C T S 8 C T S 7 R T S □ □ □ RS-422 Pin Assignment The pin assignment scheme for a 4-pin R S-422 is given below. RS-422: PIN 1: T+ PIN 2: T - PIN 3: R+ PIN 4: R- RS-485: PIN 1: D+ PIN 2: D- □ □ □ RS-422 Wiring Diagram S e r i a l D e v i c ...
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