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VBrick H.264 Appliance Getting Started Guide

1

Chapter 1

Introduction

Topics in this section

Appliance Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Features and Specifications  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 2

Appliance Overview

Built on a completely redesigned architecture, the VBrick H.264 appliances represent 
VBrick’s newest networked video appliances. Capable of supporting both standard definition 
and high definition video delivery, VBrick expands its market leadership by continuing to 
deliver on its heritage of providing reliable, flexible, portable, scalable, and manageable 
networked video appliances. These ground breaking appliances allow organizations to deliver 
video in a wide range of quality—over any IP network infrastructure. The new H.264 
appliances promise vastly improved quality for a given bit rate, allowing organizations to 
deliver a better customer experience for any given bandwidth. 

Figure 1.  

VBrick H.264 Network Video Appliance 

Capabilities

VBrick’s H.264 appliances are the first in a line of products that will be delivered on VBrick’s 
new architecture. These appliances provide the following capabilities:

•

High Definition Video – For the first time, the new appliances support high definition 
video resolution allowing unsurpassed quality video at bandwidths of 1 Mb/sec and up 
(requires HD version).

•

Standard Definition Video – For lower bandwidth applications, video can still be 
delivered in standard definition with resolutions up to D1.

•

Encoding – Digitizing and compressing a video signal for delivery over an IP network in 
the H.264 video format. 

•

Multicasting – Multicast a live video directly from the appliance.

Содержание 7000 Series

Страница 1: ...VBrick v2 0 H 264 Appliance Getting Started Guide September 10 2009 4410 0252 0002 VBrick 7000 Series Network Video Appliances ...

Страница 2: ...ass A digital apparatus meets all requirements of the Canadian Interference Causing Equipment Regulations Cet appareil numerique de la Classe A respecte toutes les exigences do reglement dur le materiel brouilleur du Canada VBrick declares that this product conforms to the following certificate standards for electromagnetic emissions when installed according to the manufacturer s specifications EN...

Страница 3: ... Start Guide 6 Environmental Considerations 7 Appliance Setup 8 Step 1 Connect the Audio and Video 8 Step 2 Connect to the IP Network 8 Step 3 Power on the Appliance 9 Step 4 Set the IP Address 9 Step 5 Verify Streaming Video 10 Software Upgrade 11 Installing a Software Upgrade 12 Configuring VBDownload 12 3 Shelf Setup VBrick Rack Mount Shelf 15 H 264 Blades 15 Blade LCD Display 16 Installation 1...

Страница 4: ...iguration Menu 33 LED Indicators 33 Edit Mode 34 Using Apply Revert and Default 35 Resetting the Appliance 36 Logout 37 Help 37 7 Front Panel Edit Overview 39 Front Panel Modes 39 Front Panel Configuration in VBAdmin 40 Front Panel Navigation 40 Status Mode 41 Configuration Mode 41 Configurable Parameters 42 Function Mode 43 8 Command Line Interface Connection Modes 45 Connecting via the COM Port ...

Страница 5: ...onsiderations 58 Assigning Multicast Addresses 58 IP Address Configuration using Host Name 58 VBrick Accessories 59 Serial Port Passthrough 59 How Passthrough Works 59 Serial Port Passthrough Using Telnet 60 11 VBrick 7000 Series Reference VBrick H 264 Appliance Models 61 Device Interfaces 62 Video In S Vid 62 Video In Comp In 63 Audio In 63 COM 63 Ethernet Port 65 USB 65 Power 65 External Event T...

Страница 6: ...vi Contents ...

Страница 7: ...he basics Provides general configuration recommendations as well as how to cable the appliance and connect it to the network Shelf Setup Explains how to set up and configure a Rack Mount Shelf that houses from 1 to 11 H 264 blade encoders Software Upgrade Explains how to upgrade the appliance or blade when new software is available form VBrick Management Tools Explains how to configure the applian...

Страница 8: ...or more information about any VBrick products all of our product documentation is available on the web Go to www vbrick com documentation to search or download VBrick product documentation Font Conventions Arial bold is used to describe dialog boxes and menu choices for example Start All Programs VBrick Courier fixed width font is used for scripts code examples or keyboard commands Courier bold fi...

Страница 9: ...This device has tamper evident seals Breaking or modifying the seals will immediately invalidate the product warranty If you have problems with this appliance contact VBrick Support Services Caution Placement Use common sense when installing the device Do not expose the appliance to direct sunlight high humidity or wet conditions Do not block the air vents or impede the airflow in any way And once...

Страница 10: ...x Preface ...

Страница 11: ... H 264 appliances promise vastly improved quality for a given bit rate allowing organizations to deliver a better customer experience for any given bandwidth Figure 1 VBrick H 264 Network Video Appliance Capabilities VBrick s H 264 appliances are the first in a line of products that will be delivered on VBrick s new architecture These appliances provide the following capabilities High Definition V...

Страница 12: ...or supported by VBrick Video Encoder H 264 Encoding Main and Baseline Profile SD Inputs Composite or S Video SD Input Formats NTSC PAL HD Inputs SD SDI HD SDI 3G SDI HDMI and Component HD Input Formats 480i 480p 576i 576p 720p50 60 1080i50 60 1080p50 60 Aspect Ratio 4 3 and 16 9 Encoded Resolutions see Table above Video Frame Rates NTSC 0 5 1 2 3 5 6 7 5 10 15 30 fps PAL 0 5 1 2 5 5 12 5 25 fps Co...

Страница 13: ... local maintenance or data transport one USB port Dimensions 7101 models W 7 8 x H 1 75 x D 9 2 7102 models W 8 1 x H 3 0 x D 9 5 Weight Approx 1 5 3 lb depending on model Temperature Range Operating Temperature 0 70 Celsius Power Input 100 to 240 VAC 50 60 Hz 45 Watts 12V DC 4A Regulatory FCC Part 15 UL CE LCD 80 character backlit display 20 characters x 4 lines Compatibility Windows Media Player...

Страница 14: ...4 2009 VBrick Systems Inc ...

Страница 15: ... shipment comes with H 264 network appliance H 264 Quick Start Guide H 264 Product CD Power supply and cable Serial cable and adapter Cable and adapter kit Setup Overview Your VBrick H 264 appliance is shipped with all appropriate cables and connectors The appliance s you purchased may vary slightly from the illustration in Figure 2 but the basic elements are common to all H 264 appliances See VBr...

Страница 16: ...ctional Reserved for future use Power In 12VDC Power input LED illuminates when power is applied Component Three color coded connectors Y Pb Pr with BNC connectors HDMI High Definition Multimedia Interface that transmits uncompressed digital data SD SDI HD SDI Accepts Standard Definition SDI High Definition SDI or High Definition 3G SDI Keypad Used to change modes navigate through menus or select ...

Страница 17: ...f the appliance and a fan that provides circulation If appliances are rack mounted in a cabinet and air flow is blocked you may need to provide a vent hole or a notch on the side of the rack that is roughly equal in size to the vents on the appliance You need to make sure there is at least two inches of space between the appliance and the edge of the rack Best Practices In general VBrick appliance...

Страница 18: ...ect the left cable to MAIN and the right cable to AUX Step 2 Connect to the IP Network Use the provided Ethernet cable to connect the appliance to your IP network T To connect to the IP network 1 Plug one end of the Ethernet cable into the Ethernet port to the right of the COM port on the H 264 appliance 2 Plug the other end of the Ethernet cable into a network port or switch Ethernet LAN with Mul...

Страница 19: ...not connect to a DHCP server it will wait two minutes and then start in Limited Run Mode using the default IP Address of 172 17 5 5 After 15 minutes it will automatically reset and again try to obtain a DHCP address The LCD screen on the front panel will display a DHCP failed message and then read VBrick Systems and continue to cycle through various messages If you want to configure a static IP ad...

Страница 20: ...dio and video Assuming you connected a video source as explained in Step 1 you can use the VBAdmin management application or VBrick StreamPlayer to verify that video is streaming from the appliance Verify Operation with VBAdmin Windows or Macintosh You can verify operation on Windows or Macintosh desktops by playing the stream directly from the appliance using the VBAdmin management application Th...

Страница 21: ...t All Programs VBrick The upgrade procedure can be invoked by using either the VBDownload application or the VBDirectory application Either application can be used as the starting point for updating the appliance s flash memory TCP IP FTP transport services are used for this Using VBDirectory is an easier method since it lets you choose the appliances by name instead of IP address When VBrick appl...

Страница 22: ...the release to the default directory that directory will be auto selected in the Revision Folder If not Browse to the directory that contains the unzipped files from the release package 7 Select a Revision and click OK to start the download Since the default mode of VBDownload is Intelligent Download the utility will query the VBrick to determine which release components need to be downloaded When...

Страница 23: ...configure the VB6000 folder as the default folder 1 Go to Start All Programs VBrick 2 Highlight VBDownload then right click and select Create Shortcut Then highlight the new shortcut and select Rename 3 Enter a meaningful name highlight it then right click and select Properties 4 In the Target field append the following text beginning with a space to the existing path Note that question marks are ...

Страница 24: ...14 2009 VBrick Systems Inc ...

Страница 25: ...audible failure alarms It also has a common hot swappable cooling unit and a replaceable air filter The chassis for a rack mount shelf has a removable cable management panel not shown and card rails that make it easy to insert or remove individual blade encoders Figure 5 VBrick H 264 Rack Mount Shelf H 264 Blades In general the blades are fully functional encoders housed within shelf rather than a...

Страница 26: ...eplate panel that displays eight characters at a time and scrolls through informational messages During boot and POST processing the LCD will display appropriate messages Once the encoder is running normally the encoder will cycle through the IP address and various other messages for five seconds each Dimensions 3U to 8U height 19 in EIA rack mount Fan Tray Unit Slides out for easy replacement Hot...

Страница 27: ...ng blades use the provided anti static wrist strap by attaching the banana pin to receptacle in upper right corner of the shelf Ten blank filler panels are included If you remove a blade be sure to install a filler panel to maintain proper air flow T To install individual blades in the shelf 1 Unpack and inspect each blade 2 Remove and save as many blank filler panels as necessary 3 Install the bl...

Страница 28: ...g data associated with the backplane Maintenance Power Supplies The Rack Mount Shelf has dual hot swappable AC input power supplies Figure 8 An LED and an audible alarm will indicate if either of the power supplies has failed If a power supply fails contact VBrick for a replacement as soon as possible Do not attempt to repair a power supply as this will invalidate the warranty Although the shelf w...

Страница 29: ...o user serviceable components in the fan tray If an individual fan fails you must replace the entire unit or you will invalidate the shelf warranty Contact VBrick for a replacement fan tray as soon as possible The Status LED will turn red if any of the fans has failed To avoid damaging the blades do not run the shelf if more than one fan has failed When you pull out the fan tray you can see the fa...

Страница 30: ... tray to install a replacement work quickly to avoid overheating the blades Figure 9 Fan Tray Controls and Indicators Air Filter The air intake unit at the bottom of the enclosure has a replaceable filter element Inspect and replace the filter element every 90 days more often in challenging environments For best results use replacement filters from VBrick You need not power off the shelf to replac...

Страница 31: ...s occurs during the first reboot after the upgrade Do not power off the unit during this time The process may take 5 minutes and include an automatic reboot of the unit The appliance is ready for operation when you are able to login via VBAdmin or CLI VBrick strongly recommends against loading a earlier version of code As a general rule never downgrade a unit to a code version older than what was ...

Страница 32: ...eral minutes 8 When the download completes reboot the appliance using the Reset Unit radio button and follow the prompts 9 Note that part of the upgrade takes place during the first boot after the download and may take up to 5 minutes The upgrade is complete when you can login via VBAdmin or CLI or when its name is refreshed in VBDirectory 10 When done close the window or click Exit Configuring VB...

Страница 33: ...select Properties 4 In the Target field append the following text beginning with a space to the existing path Note that question marks are required for any spaces in the path i f C Program Files VBrick VB6000 Download ReleaseVx_x_x 5 Replace ReleaseVx_x_x with the actual version number of the setup file and click OK when done ...

Страница 34: ...24 2009 VBrick Systems Inc ...

Страница 35: ...ks on a network For more information see the VBDirectory online help Command Line Interface The Command Line Interface provides management through the VBrick s COM port See Connecting via the COM Port with HyperTerminal on page 45 or Connecting with Telnet on page 45 SNMP SNMP commands through VBrick s IP interface including SNMP Traps Front Panel Edit The front panel on the appliance displays app...

Страница 36: ... methods but VBAdmin s graphical user interface is the easiest to use VBAdmin is described in detail in VBAdmin on page 31 VBDirectory VBrick provides a management application called VBDirectory that provides quick reference and access to all VBrick Appliances on a network VBDirectory v4 4 or higher is compatible with H 264 appliances VBDirectory is automatically installed with a software upgrade ...

Страница 37: ...I are also available in the web based VBAdmin application Always use VBAdmin unless you have a compelling reason to use the command line You can use HyperTerminal or other interfaces to run the CLI For more information see Command Line Interface on page 45 VBrick appliances can also be managed remotely via industry standard Telnet The same suites of menus that are displayed on a local terminal are...

Страница 38: ...een shows a typical freeware MIB browser Front Panel Edit The front panel on the appliance displays appliance status information and can be used to set basic configuration parameters such as IP address and DHCP enable It can also be used to run predefined scripts that are executed using the function F1 F4 keys For more information see Front Panel Edit on page 39 Web Services For customers who want...

Страница 39: ...s that are behind a firewall To configure a parameter on an appliance or more likely a set of parameters you simply point the URL to a server with an xml configuration file This is useful for example to change a transmitter destination address set the audio and video rates etc when the VBrick appliances are behind a firewall and cannot be accessed remotely See System Configuration Auto Configurati...

Страница 40: ...30 2009 VBrick Systems Inc ...

Страница 41: ...the VBrick encoder for example you can also use Telnet or the Command Line Interface but VBAdmin is the easiest to use Table 11 Supported Browsers To login to a VBrick 7000 Series appliance with Microsoft Internet Explorer you must have Session Cookies and Active Scripting enabled Depending on your browser version these settings are in the Security or Privacy tabs in Internet Options If either opt...

Страница 42: ...ers It may include any combination of alphanumeric characters and only the following special characters Table 12 Default Passwords and Privileges Home Page A successful login displays the Welcome to VBAdmin page shown below This is the home page it provides system information and the colored LEDs in the middle of the page give you a quick snapshot of the health and status of the appliance Figure 1...

Страница 43: ...names and passwords Also let s you read reset or restore the system configuration Advanced Configurations are used for security logging event triggering and other less frequently used options Audio Video Configuration Used to set audio and video parameters for the appliance Program Configuration Used to set global and program options as well as to configure transmitters and servers Monitor Lets yo...

Страница 44: ...o avoid interfering with other users Figure 12 View Mode Be aware that some parameters menu items and fields are not shown unless you are in edit mode Click the Edit button to see all fields parameters and buttons VBAdmin validates most user Alarms Checks whether the System Traps on the Monitor System Logs page has any bad traps for example a temperature alarm or a POST failure that were not clear...

Страница 45: ...dit Mode times out whether the browser is open on the desktop or closed without ending the Edit session In VBAdmin the Logout button on the left side of the menu bar ends editing and logs you out of the application Using Apply Revert and Default Depending on screen resolution it may be necessary to scroll down the page to see additional information and fields The Apply Revert and Default buttons h...

Страница 46: ...the appliance is powered down the changes will be lost Don t forget to save the configuration Revert Aborts all changes made on the screen and returns to the values that were present prior to the first change that was made Note that this only applies to changes made prior to the last apply Default Returns to the default settings for all parameters on the page You must still click Apply for the set...

Страница 47: ...ull text search engine that can quickly find the information you need You may wish to take a few minutes to familiarize yourself with the help system It can save time when tying to find information about appliance parameters or options When using VBAdmin click on the question mark hyperlink in the upper right corner of each page to get context sensitive help for that page Figure 14 Online Help Pag...

Страница 48: ...38 2009 VBrick Systems Inc ...

Страница 49: ... access VBAdmin or the front panel you can still set basic configuration options using the COM serial port or Telnet See using the Command Line Interface more information Figure 15 Front Panel LCD with Sample Data Front Panel Modes When you first power on the appliance it runs through the power on self test sequence during which a series of informational messages are displayed When the self tests ...

Страница 50: ... lines with user defined text as shown in Figure 15 See the H 264 Appliance Admin Guide for complete details Front Panel Navigation The front panel has a 20 char x 4 line LCD display a keypad and four function keys Use the Mode button to select a mode the arrow keys to navigate through menus and the Select button to apply changes Figure 16 H 264 Appliance Front Panel Function Each function key can...

Страница 51: ...keypad arrows to navigate and the Select button to choose the selected items or numbers If you enter invalid data error messages and other messages are displayed on the bottom line of the LCD If you press Select without making changes the message No Network Changes is displayed on the bottom line Note that the Hostname and User Descriptions on lines 1 and 2 of the LCD are set using VBAdmin See Con...

Страница 52: ...meters F1 Previous This key is functional in Configuration mode when Prv is displayed on top line of LCD panel F4 Next This key is functional in Configuration mode when Nxt is displayed on top line of LCD panel Sequence Parameter Description Reboot 1 Enter PIN Use the letter keys to enter the current PIN followed by the Select key Entering the operator password will not allow you to change the IP ...

Страница 53: ...uration General page 5 Subnet Displays current Subnet mask of the appliance If the current setting is OK press Select Otherwise enter correct value and press Select If you enter an invalid subnet mask an error message is displayed on the bottom line N 6 Gateway Displays the current Gateway of the appliance If the current setting is OK press Select Otherwise enter the correct value and press Select...

Страница 54: ...44 2009 VBrick Systems Inc ...

Страница 55: ... via the COM Port with HyperTerminal To manage an appliance via terminal emulation for example with HyperTerminal connect the included cable which provides a standard 9 pin serial connection from the serial port on your computer to the VBrick s COM RJ 45 connector To access the VBrick using HyperTerminal go to Start Programs Accessories Communication HyperTerminal Connect through your computer s C...

Страница 56: ...rough HyperTerminal shipped with Windows or Telnet the command structure is the same The CLI interface is launched as soon as you enter a valid Login name and Password The following window shows the Command Line Interface and the shortcut commands that are available using the command You can use these shortcuts at any time during an editing session Using the MIB All VBrick appliance parameters are...

Страница 57: ...om the VBrick In this case the commanding entity must be prepared to wait before continuing the editing session In practice it is unlikely that any automated program will be tasked with initiating any tasks that will cause a spontaneous reboot Finding VBrick Parameters The best way to find a parameter name is by viewing the Configuration Log Once you find the parameter name you can check the MIB u...

Страница 58: ...uration Log Then open the appropriate MIB file see Table 19 below in a MIB browser The valid value for this variable is DisplayString If the syntax calls for an integer use a numeric value if the syntax calls for a string use an alpha value T To find the VBrick parameter name and syntax 1 Find and change the parameter in VBAdmin 2 Go go to the Configuration Log and find the name of the parameter y...

Страница 59: ...owser and view the syntax Once you know the syntax you can use the correct variable name and value on the Command Line Working with MIB Files The MIB files provide read only access to all configurable encoder parameters and are organized as shown in Table 19 To access any MIB variable open the appropriate file in a ...

Страница 60: ...g Telnet HyperTerminal etc When logging in you are prompted for a login name and password These credentials give you access to the VBrick and are typically provided by an administrator When the vbrick prompt is displayed you are successfully logged in The CLI shortcut commands are shown below Login username Password password vbrick Table 20 CLI Shortcut Commands MIB Description vbrick_reg mib This...

Страница 61: ...7 explains how to do this All parameter names must be prefixed by vbrick vbrick gvar vbrickManagementSapGroupName Valid system commands display a response in the following format vbrickSlot1ArchiveMode 1 Invalid system commands display an error response in the following format ERROR Value out of range Getting or Setting Table Variables Table variables can be single indexed where there is only one ...

Страница 62: ...failed save see below are shown in the System Log open VBAdmin and go to Monitor System Logs Configuration Log to see the log You can also see all configuration errors using the ERRORS command You can also detect potential errors in advance by getting the value of various status parameters in the VBrick For example if you are writing a script you might want to check Transmitter State or FTP Status...

Страница 63: ...e Getting Started Guide 53 vbrick svar vbrickProgramTransmitterInetAddrType 1 1 1 vbrick svar vbrickProgramTransmitterInetAddr 1 1 172 22 118 105 vbrick svar vbrickProgramTransmitterEnable 1 1 2 vbrick svar vbrickProgramTransmitterApplySet 1 1 2 ...

Страница 64: ...54 2009 VBrick Systems Inc ...

Страница 65: ... successful ERROR otherwise beginEdit sessionId editName Used as a method to begin the edit session to become editor of parameters Returns editName if successful ERROR otherwise endEdit sessionId Used as a method to end the editor session Returns OK if successful ERROR otherwise endOtherEdit sessionId Used as a method to forcefully end another editor session Returns OK if successful ERROR otherwis...

Страница 66: ...ex if any Note Some parameters may require the user to be the active editor More parameters can be retrieved by calling the method several times 4 Logout of the session by calling the logout method T To Set a parameter value 1 Get a new SessionId by calling getNewSessionId 2 Login into the appliance by calling the login method and supplying the login name and hashed password value The algorithm to...

Страница 67: ...s This means you can configure an appliance for maximum performance but you can also configure it in such a way that it will only work well in a very limited environment Video quality is also relative What is acceptable quality for a surveillance application on a low bandwidth network is most likely unacceptable for a corporate presentation or a two way video conference on a high speed LAN Much de...

Страница 68: ... 225 239 for the first octet and standardize on it for each network 3 In the second octet either use numbers from 1 127 or 129 255 do not mix ranges on a given network IP Address Configuration using Host Name This feature provides VBricks the ability to unicast to one another recognizing each other by Host Name instead of IP address This is especially useful when appliances are running DHCP since ...

Страница 69: ...al port Conversely any data input to a serial port can be passed through to other devices connected to that TCP IP port Devices include other VBricks or special applications connected to the appropriate TCP IP port This feature is called Serial Port Passthrough COM is assigned port 4439 A typical application is for two VBricks connected to each other s TCP IP port 4439 In this case characters type...

Страница 70: ...hrough Responder will accept a connection request to TCP port 4439 COM The request can come from a Telnet client or other PC application Any data sent by the PC to TCP port 4439 will be delivered out of the VBrick serial ports and any data present on the VBrick serial port will be sent to the connected PC If multiple Telnet sessions are active on one VBrick each VBrick supports up to 64 sessions t...

Страница 71: ...ontrols large form factor Blade appliance small form factor housed in VBrick blade server shelf High Definition Industrial class appliance metal enclosure no front panel or controls small form factor with SDI and HDMI inputs Enterprise class appliance metal enclosure LED front panel and controls large form factor with SDI and HDMI inputs Blade appliance small form factor housed in VBrick blade ser...

Страница 72: ...re 18 H 264 Enterprise Encoder rear Figure 19 H 264 Industrial Encoder front Figure 20 H 264 Industrial Encoder rear Figure 21 H 264 Blade Encoder front Device Interfaces Video In S Vid The S Video interface is a standard mini DIN connector Pin Description 1 Ground 2 Ground ...

Страница 73: ...ass control information between VBrick appliances over the network The COM port presents a standard DTE interface on an RJ 45 connector The serial port operates at a default rate of 9 6 Kbps Async 8 Bit No Parity Controls None The pins on the passthrough port can be set for RS 232 or RS 422 485 see below using the COM Interface Type parameter on the Passthrough page in VBAdmin 3 Luma 4 Chroma Note...

Страница 74: ...d Output 2 DTR Data Terminal Ready Output 3 TXD Send Data Output 4 Ground Common 5 Ground Common 6 RXD Receive Data Input 7 DSR Data Set Ready Input 8 CTS Clear to Send Input Pin Description 1 TD 2 N C 3 TD 4 Optional gnd common or n c GND connected to cable shielded 5 Optional gnd common or n c GND connected to cable shielded ...

Страница 75: ...d The event trigger inputs on the VBrick recognize a high voltage anywhere above 8 volts DC with an upper limit of 12 volts A low voltage is anything at or below 0 volts DC with a lower limit of 12 volts The event can also be configured to run a script on Pin 7 or Pin 8 depending on how the connection is configured See Advanced Configurations Event Triggering in the H 264 Appliance Admin Guide for...

Страница 76: ...sired output pin RTS or DTR to On via VBAdmin T To force the desired output pin to On 1 Go to the System Configuration Advanced Configurations Passthrough page in VBAdmin 2 Change Passthrough State to Responder and click Apply 3 Change RTS DTR Control to Force On and click Apply 4 Change Passthrough State to Disabled and click Apply 5 Click Save Config when done ...

Страница 77: ......

Страница 78: ...VBrick Systems Inc 12 Beaumont Road Wallingford Connecticut 06492 USA ...

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