DEX28 TAU D Option Installation Instructions for WinXP Page 1 (18) Document Identity a48afec5-cc6d-4115-a47a-e0502c23869c

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1 DEX28 TAU D Option Installation Instructions for WinXP Page 1 (18) DEX28 TAU D Option Installation Instructions for Windows XP Introduction TAU D (a.k.a. CT Adapter) is a Terminal Adapter Unit designed for connection to the Ericsson exchanges ASB 501 (MD110) and ASB 150 (BP) or equivalent and allows voice transmission and signal channel access over the two wire digital extension line 2B+D. It is intended for connection of OWS, Application link, PSC or equivalent together with a digital telephone, type DBC 199, DBC 202, DBC 203 or equal, if necessary. Picture bellow shows typical diagram having TAU D used for OWS. MD110 DTS TAU D OWS LAN RS232 DTE (PC) PBX Service D.N.A. COM Port RS232 DD Signal channel access is made possible by adaptation of the V.24/V.28 terminal interface standardized by CCITT which is connected to a port on the TAU D to the exchange signal channel data format. The format allows transmission of asynchronous data. The RS232C is equivalent to CCITT V.24/V.28 plus ISO Table of Contents Introduction... 1 Table of Contents... 1 DEX28 TAU D Option... 2 TAU D over USB using USB VCP drivers... 3 TAU D over TCP using TCP VSP drivers... 3 USB TAU D Option... 4 Configuring DEX28GE2PEXT for USB TAU D...4 Installing USB VCP Drivers... 5 USB VCP Drivers Verification... 9 Uninstalling USB VCP Drivers TCP TAU D Option Installing VSP TCP Drivers Configuring DEX28GE*PEXT for USB TAU D Configuration of the HW VSP TCP VSP Drivers Verification

2 DEX28 TAU D Option Installation Instructions for WinXP Page 2 (18) DEX28 TAU D Option DEX28 VoIP gateways support TAU D physical device on Extension Side, as shown bellow: Switch Side DEX28 MD110 D.N.A. LAN IP Extension Side DEX28 LAN DTS OWS TAU D RS232 DTE (PC) PBX Service COM Port RS232 DD Further, DEX28 can emulate TAU D and eliminate need for physical TAU D device. TAU D emulation can be either on USB port (if DEX28 has such) or TCP port, as shown on the following two diagrams. 2

3 DEX28 TAU D Option Installation Instructions for WinXP Page 3 (18) TAU D over USB using USB VCP drivers Switch Side DEX28 MD110 LAN IP D.N.A. Extension Side Builtin TAU D DEX28 DTS OWS LAN USB PBX Service DTE (PC) COM Port FTDI VCP TAU D over TCP using TCP VSP drivers Switch Side DEX28 MD110 LAN IP D.N.A. Extension Side Builtin TAU D DEX28 DTS OWS LAN DTE (PC) TCP PBX Service COM Port HW VSP The rest of the document describes installation instructions for VCP and VSP drivers. 3

4 USB TAU D Option DEX28 TAU D Option Installation Instructions for WinXP Page 4 (18) Configuring DEX28GE2PEXT for USB TAU D Note: USB TAU D option is available on DEX28GE2P Version 2.1 (Build 76) and later. USB TAU D option is not available on DEX28GE6P. 1. Connect to extension side DEX28 GE2P and go to Configuration > Extensions : 2. In Advanced Parameters enter usb as TAUD option for desired port and select Save. 3. Go to System Tools > System, and select Reload DSPs option. 4

5 DEX28 TAU D Option Installation Instructions for WinXP Page 5 (18) Installing USB VCP Drivers To install VCP drivers under Windows XP, follow the instructions below: 1. If a device of the same type has been installed on your machine before and the drivers that are about to be installed are different from those installed already, the original drivers need to be uninstalled. Please refer to the Uninstalling USB VCP Drivers section of this document for further details of this procedure. 2. Download the latest available VCP drivers from the FTDI website and unzip them to a location on your PC. FTDI website VCP device driver URL is 3. If you are running Windows XP or Windows XP SP 1, temporarily disconnect your PC from the Internet. This can be done by either removing the network cable from your PC or by disabling your network card by going to the Control Panel > Network and DialUp Connections, rightclicking on the appropriate connection and selecting Disable from the menu. The connection can be reenabled after the installation is complete. This is not necessary under Windows XP SP 2 if configured to ask before connecting to Windows Update. Windows XP SP 2 can have the settings for Windows Update changed through Control Panel > System then select the Hardware tab and click Windows Update. 4. Connect the device to a spare USB port on your PC. USB Type A Female Connector USB Type B Female Connector USB Cable A male to B male This will launch the Windows Found New Hardware Wizard. If there is no available Internet connection or Windows XP SP 2 is configured to ask before connecting to Windows Update, the screen below is shown. Select No, not this time from the options available and then click Next to proceed with the installation. If there is an available Internet connection, Windows XP will silently connect to the Windows Update website and install any suitable driver it finds for the device in preference to the driver manually selected. 5

6 DEX28 TAU D Option Installation Instructions for WinXP Page 6 (18) 5. Select Install from a list or specific location (Advanced) as shown below and then click Next. 7. Select Search for the best driver in these locations and enter the file path in the combobox ( C:\VCP Drivers in the example below) or browse to it by clicking the browse button. Once the file path has been entered in the box, click next to proceed. 6

7 DEX28 TAU D Option Installation Instructions for WinXP Page 7 (18) 8. The following screen will be displayed as Windows XP copies the required driver files. 9. Windows should then display a message indicating that the installation was successful. Click Finish to complete the installation. This has installed the serial converter. The COM port emulation driver must be installed after this has completed. 7

8 DEX28 TAU D Option Installation Instructions for WinXP Page 8 (18) 10. After clicking Finish, the Found New Hardware Wizard will continue by installing the COM port emulation driver. 8

9 DEX28 TAU D Option Installation Instructions for WinXP Page 9 (18) USB VCP Drivers Verification 1. Open the Device Manager (located in Control Panel > System then select the Hardware tab and click Device Manger ) and select View > Devices by Type. The device appears as an additional COM port with the label USB Serial Port. 2. Open Hyperterm and connect to COM port 9600,8,n,1 (COM11 in the previous example), then connect DTS to PBX over DEX28 and press some keys. Some data should appear in Hyperterm. 9

10 DEX28 TAU D Option Installation Instructions for WinXP Page 10 (18) Uninstalling USB VCP Drivers To uninstall VCP drivers, follow the instructions below. 1. Disconnect any FTDI devices that are attached to the PC. 2. Open the Add/Remove Programs utility located in Control Panel\Add/Remove Programs. Select FTDI USB Serial Converter Drivers from the list of installed programs. 3. Click the Change/Remove button. This will run the FTDI uninstaller program. Click Continue to run the uninstaller or Cancel to exit. 4. When the uninstaller has finished removing the device from the system, the caption on the Cancel button will change to Finish. Click Finish to complete the process. 10

11 TCP TAU D Option Installing VSP TCP Drivers DEX28 TAU D Option Installation Instructions for WinXP Page 11 (18) There are two principal ways how to access DEX28 TAU D option over TCP. 1. Using Windows VSP TCP driver, which provides virtual serial port bound to remote TCP port. 2. Using PBX services option to directly connection to TCP port. The second option requires changes to PBX services and is under joint consideration by Ericsson and. The procedure bellows concentrates on the first option and describes installation of the VSP TCP driver, in particular HW VSP driver. Note that other COM to TCP virtual serial ports driver can be used. HW VSP driver is based on Eltima VSP XP 5.1. HW VSP s URL Eltima s URL 1. If HW VSP has been installed on your machine before and the drivers that are about to be installed are different from those installed already, the original drivers need to be uninstalled. 2. Download and unzip installation file. HW VSP device driver can be downloaded from: 3. Run the installation program. The Setup Wizard will be displayed. To continue to the next step of installation click on Next button, if you need to return one step back click on Back button. 4. The basic product information will be displayed. 5. Select a place where to install the driver. 11

12 DEX28 TAU D Option Installation Instructions for WinXP Page 12 (18) 7. Choose the name of the folder, which will be added to Start menu. 8. Select if you want to create or not a shortcut in the desktop. 12

13 DEX28 TAU D Option Installation Instructions for WinXP Page 13 (18) 9. The selected data will be displayed, it is recommended to check them. 10. The installation of the program will proceed. 13

14 DEX28 TAU D Option Installation Instructions for WinXP Page 14 (18) The above shown window will be displayed if the installation was successful. If you check the Launch HW_VSP box the program will run after the installation is over. It is not needed to restart the computer after the installation. You can run HW VSP by clicking on the VSP icon the icon with the red arrow. 14

15 DEX28 TAU D Option Installation Instructions for WinXP Page 15 (18) Configuring DEX28GE*PEXT for USB TAU D Note: USB TAU D can be configured only on both DEX28GE6PEXT and DEX28GE2PEXT devices. USB TAU D option is available on DEX28GE2P Version 2.1 (Build 76) and later. USB TAU D option is available on DEX28GE6P Version 2.1 (Build 46) and later. 1. Connect to extension side DEX28 and go to Configuration > Extensions : 2. In Advanced Parameters enter tcp <portnumber> as TAUD option for desired port and select Save. 3. Go to System Tools > System, and select Reload DSPs option. 15

16 DEX28 TAU D Option Installation Instructions for WinXP Page 16 (18) Configuration of the HW VSP 1. Open HW VSP and enter IP address of the DEX28 EXT device, and Configured TCP port number for the TAU D option on the DEX28 EXT In the following example DEX28 IP address is and TAU D option TCP port is Disable NVT option for the VSP. 16

17 DEX28 TAU D Option Installation Instructions for WinXP Page 17 (18) 3. Select COM port name and select Create COM button. 4. Select Hide. VSP should minimize and appear in Windows System Tray: 17

18 DEX28 TAU D Option Installation Instructions for WinXP Page 18 (18) TCP VSP Drivers Verification Open Hyperterm and connect to COM port 9600,8,n,1 (COM5 in the previous example), then connect DTS to PBX over DEX28 and press some keys. Some data should appear in Hyperterm. Note that VSP serial port device driver will not appear in Computer Management under Device Manager > Ports. 18