VBrick Systems VB5000 Bedienungsanleitung

VBric k v4.2 WM Appliance Admin Guide March 1 8, 2008 4410-0151-0004 VB4000-5000-6000 Series Netw ork Video Appliances[...]

Copyright © 200 8 VBrick Systems , Inc . All rights reser ved. 12 Beaumont R oad W allingford, Conn ecticut 06492, USA www .VBrick.com This pu blication contains conf idential, proprietar y , and trade secret infor mation. No par t of this document m ay be copied, photocopied, re produced, translate d, or reduced to any machine-readable or electro[...]

VBrick WM Appliance Admin Guide iii Contents WM Admin Guide Organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii Getting Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii i Getting the [...]

iv Contents ASX R ollov er . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 7 Creating Publishing P oin ts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Configuration: Encoder > Arc hiv er . . . . . . . . . . . . . . . . . . . . [...]

VBrick WM Appliance Admin Guide v Status: JPEG Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Status: Hard Driv e . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102 Status: Hard Driv e > General . . . . . . .[...]

vi Contents Cable/DSL-300K, High Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133 Cable/DSL-300K, Low Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 4 Cable/DSL-128K, High Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

VBrick WM Appliance Admin Guide vii WM Admin Guide Thi s VBrick WM A dmin Guide is written for anyone who will be using or configuring a VB6000 Series WM appliance. Th is includ es system administra tors , netw ork tec hnicians , and anyone who will be using or configur ing a VB ric k netw ork video appl ian ce. The VBric k WM Appliance is compatib[...]

viii Preface Getting Help If y ou need help, or more inf or mation about any topic, use the online help system. The online help is cross-referenced and searchable and can usually find the infor mation in a few seconds . Use the tree controls in th e left pane to open documents and the up and down arrows to page through them. U se the Search box to [...]

VBrick WM Appliance Admin Guide ix Fo n t C o nv e n t i o n s Arial bold is used to describe dialog bo xe s and menu c hoices , for example: Start > All Programs > VBrick Courier fix e d - w i dt h f o n t i s us e d f o r co d e el e m e nt s ( C + + , H T M L) a s we l l a s filenames , directories, etc. Black Cou rier fixed-wid th font is[...]

x Preface[...]

VBrick WM Appliance Admin Guide 1 Chapter 1 Introduction Topics in this chapter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 T ypical VBrick App lications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

2 © 2008 VBrick Systems , Inc . • Microsoft Windows Media Player 7.1 (W indows 98 or 2000 on ly); Media Play er 9, 10, or 11 (Windo ws XP only). Standard Features The VB6000 WM Appliance supp or ts appro ximately 40 Mbits/ sec total throughput via the Ethernet/IP connection. This ba ndwidth can be used for any of the standard features sho wn in [...]

Introducti on VBrick WM Appliance Admin Guide 3 applications at the same time . One of th e major benefits of th e VBrick WM Appliance is it 's compatibility with the Microsoft ecosystem ; this makes i t easy to integrate with existing Windows Media i nstallations . T able 2. T ypical VBrick Applications Figur e 1. VBrick's Streaming Eco [...]

4 © 2008 VBrick Systems , Inc . The Microsoft Windows Media 9 product suite di vides transport func tionality between tw o distinct products—the encoder and the ser v er . In some applicat ions the VBrick WM Appliance pro vides the same functiona lity as the Microsoft encoder in that it can encode liv e video and audio and prov ide a unicast str[...]

Introducti on VBrick WM Appliance Admin Guide 5 • Use an HT TP or RT SPU URL to get the unicast str eam. Y ou can create a we b page that links to the HTTP or RTSPU stream directly or you can open the HTTP URL or R TSPU URL using Win dows Media Player or a web browser . • Use an HT TP URL to access the .asx file on the VBrick. Y ou can create a[...]

6 © 2008 VBrick Systems , Inc . Ref lecting fr om VBrick Appliances This section provides more information about how to use VBrick appliances in reflecting applications . F or more about the specific co nfiguration set tings on the VBric k, see Configuration: Encoder on page 23 and Configuration: R eflector on page 57. A VBrick R eflector can refl[...]

Introducti on VBrick WM Appliance Admin Guide 7 Push Ref lecting from a Windows Media Ser ver The VBrick WM Appliance can push its Windows Media stream to a Microsoft Windows Media Ser ver or to a Rea lNetw orks Helix Ser v er which can then reflect the stream to players or other ser v ers using any of the protocols suppo r ted b y the ser ver . T [...]

8 © 2008 VBrick Systems , Inc . Other Considerations Keep in mind these additiona l details . T he VBrick Pull R eflector : • Supports up to five redirects . • Supports the first (or only) HREF entr y in an .asx file. Additional entries in the file are ignored. • Only pulls streams via HTTP . It will ac ce pt an MMS URL but will use HTTP for[...]

Introducti on VBrick WM Appliance Admin Guide 9 combinations of audio and vi deo rates for multicasting, H TTP and RTSPU ser ving, HTTP Push, and Archi ving . See the Configuration: Encoder pages for more information. The foll o wing drawing shows the selectable outp ut streams from a WM applian ce. (Note that the Archiv e output on the right is ac[...]

10 © 2008 VBrick Systems , Inc . MBR Output Settings The three concur rent video encoders all use th e same video input. Th e follo wing table shows the configuration output settings that are shar ed between all video encoders, and the output settings that can be configured independentl y for each one . See Configuration: Encoder > Video on pag[...]

Introducti on VBrick WM Appliance Admin Guide 11 T able 6. Aud io R at e S et ti ng s MBR Groups VBrick's implementation of m ultiple bi t rate supports the conce pt of groups. Groups ar e used in a unicast environment where the VBrick WM appliance is being used as a serve r . The appliance provides th e option of ser ving one , tw o , or th r[...]

12 © 2008 VBrick Systems , Inc . This feature is useful when you w ant to config ure MBR on the appliance with a high bit rate group for LAN HTTP access and at the same time ha ve a ser ver pull a lo w bit rate group for reflecting . Y ou can also use it to test play bac k for a particular group . MBR g roups are configured on the Configuration: E[...]

Introducti on VBrick WM Appliance Admin Guide 13 Group to match the requ est exactly . T his closest match ap proach is also used when the player requests a "thinned" video st ream, because the VBrick does not support video thinning . Unfortunately , there may also be situations when the select ion alg orithm in th e player causes it to r[...]

14 © 2008 VBrick Systems , Inc . Figure 5. On Demand Playbac k It is important to note that on demand playback uses FTP and progressive do wnload for playbac k, and the viewing experience is sub-opt imal compared with content from a dedicated V OD ser ver . See Progress iv e Download on page 54 explains ho w to create and view these files . Optimi[...]

Introducti on VBrick WM Appliance Admin Guide 15 WM encoder and an MPEG-4 decoder in the same appliance. In g eneral, encoders are ins talled in Slot1; decoders are in stalled in Slot2 . WM encoders , if pr esent, are alwa ys installed in Slot1. Archi ver and R ecorder Functionality Archi ver/R eco rder functionality may be differen t in mixed mode[...]

16 © 2008 VBrick Systems , Inc .[...]

VBrick WM Appliance Admin Guide 17 Chapter 2 WM Configuration WM Appliances may be configured differently , fo r example with a single encode r or with dual encoders and a hard drive . As a result, the scr eens you see in IWS will var y depending on the configuration of your specific device . The images in this document show an enco der configured [...]

18 © 2008 VBrick Systems , Inc . Configuration: Netw ork Configuration: Netw ork > Ether net Netw ork DHCP Default - Enabled. Dyna mic Host Configuration Pr otocol – (Enable, Disable ). On Ether net models, if DHCP is en abled, the VBrick gets its I P Address and Subnet Ma sk from the DHCP ser ver . If the DHCP ser ver supplies the Gatew ay A[...]

WM Configuration VBrick WM Appliance Admin Guide 19 Domain Name Ser ver VBric k Host Name The Host Name defaults to t he Media Access Con trol (MA C) address , a hardware address that un iquely iden tifies eac h node of a network. The VBrick's Host N ame acts to identify the VBrick to va rious netw ork applications including DHCP , SNMP and VB[...]

20 © 2008 VBrick Systems , Inc . Netw ork Time Synchronization These fields are used to syn chronize ne tw ork time using the host name or IP address of a known server to provide a sync hronized time fo r all appliances in the network. T o e nable Network Time Synchron ization after these parameters are s et, go to Configu ration: System > Gene[...]

WM Configuration VBrick WM Appliance Admin Guide 21 R outing Method This sele cts which routing method will be used: Chang es made to the R outing Method will req uire a reset of the box. • Static – Allo ws routes entered in the static routing table to be automatically applied to th e internal routing tables , after a po wer - up . • RIP V er[...]

22 © 2008 VBrick Systems , Inc . Configuration: Network > Management These parameters defin e infor mation use d in the SAPs emitted b y the VBrick, whic h are receiv ed by the VBDirector y management t ool and other VBrick applications . See the VBDir ector y User Guide for more infor mation. Group Name Optional. T his parameter define s the G[...]

WM Configuration VBrick WM Appliance Admin Guide 23 Configuration: Encoder Configuration: Encoder > T emplate Seve n selectable templates h av e been precon figured for many common applications . T here are alw ays trad e-offs when selecting enco der settings . In g eneral, finer reso lution detail and smoother motion will require more reso urce[...]

24 © 2008 VBrick Systems , Inc . Configuration: Encoder > Video The WM appliance suppo rts multiple bit rate (MBR) whereb y se vera l streams are en coded at different bit rates . I n this encoding strateg y , the Windows Media Pla yer neg otiates with the appliance (or with a Windo ws Media Ser v er) to select and pla y the stream that is most[...]

WM Configuration VBrick WM Appliance Admin Guide 25 Figure 7. Configuration: Encoder > Video – P ar t 1 Windo ws Media Encoder Video -- Slot1 Note In Edit mode , the parameters affected by templa te settings (set in t he Configuration: Encoder > T emplate) are shown at th e bottom of the screen. These settings over ride the template; they d[...]

26 © 2008 VBrick Systems , Inc . Video Source Enables the user to select the bandwidth for trac king the video input. • Nor mal – Sele ct for stable sources such as cable, D VD , or camera. • High Jitter (V CR) – Select for unstable sources such as VCR or VTR. Closed Captio n Use to enable closed captions and sele ct embedded or user-defin[...]

WM Configuration VBrick WM Appliance Admin Guide 27 Closed C aption Max BitRate A vailable when you select Video CC Enabled for Closed Cap tion. Defines the m aximu m bit rate at whic h closed captions are displayed. A higher bit rate is smoother because a smaller number of new characters are displayed each time the captions are refreshed—but the[...]

28 © 2008 VBrick Systems , Inc . Meta Data String Shown if Meta Data is enabled. Maximum 250 characters . Click Insert Now to insert the meta data string into stream . The player supports the followin g commands that ar e entered at the beginn ing of the metadata string. Note that you must type Text , URL , or Filename and a space before the meta [...]

WM Configuration VBrick WM Appliance Admin Guide 29 Figure 8. Configuration: Encoder > Video – P ar t 2 Video T emplate Settings -- Slot1 (Video Rate1) The video settings can be changed on this pag e or b y modifying a templa te setting on the Configur ation: Encod er > Template page of IWS. Any change s you make on this pag e ov erride the[...]

30 © 2008 VBrick Systems , Inc . Ta b l e 1 0 . Supported 16:9 Video Encodi ng R esolutions (in pix els) 320x240 320x240 320x2 40 320x480 † † 400x300 320x240 320x2 40 512x384 256x192 256x1 92 640x240 640x240 640x2 40 640x480 320x240 320x2 40 † Cannot be encoded. Vid eo Ra te 1 Vide o R ate2 Vide o R ate 3 640x360 320x180 † 320x180 640x180 [...]

WM Configuration VBrick WM Appliance Admin Guide 31 T a rget Bit R ate (bits per second) This number re presents how m uch da ta the VBric k will send out each second to carr y video to a player . The word target is used because the appliance can v ar y its bit rate slight ly in response to the amou nt of detail in the movie or camera output. Bit r[...]

32 © 2008 VBrick Systems , Inc . Configuration: Encoder > Audio If configuring audio for m ultiple bit rate, you ca n specify separate encoder settings for up to three audio encoders . When Audio Rate2 or 3 is enabled, the Sample Freque ncy must be 44.1 KHz and only bit rates compatible with 44 .1 KHz can be selected. As with video , any change[...]

WM Configuration VBrick WM Appliance Admin Guide 33 Audio T emplate Settings The following audio setting s can be changed b y modifying a template setting in the Configur ation: Encode r > Template section of IWS . Any changes you make on this windo w ov erride the template; they do not c hange it. See T able 11, Audio Channels: Stereo/Mono † [...]

34 © 2008 VBrick Systems , Inc . Bit Rate and Sample F requency The following a re the allo wed com binations o f Bit Rate and Sample Frequency wh en A udio Channels is Stereo or Mono (left only) or Mono (L+R) . Ta b l e 1 1 . A udio Channels: Stereo/Mono † Sample Frequency See Bit Rate and Samp le Frequency fo r all settings . F requency at whi[...]

WM Configuration VBrick WM Appliance Admin Guide 35 Configuration: Encoder > Multicast 32000 32 32000 22.05 22000 22.05 20000 22.05 20000 16 16000 16 12000 8 † If Audio Rate2 or A udio Rate3 is enabled on the Configuration: Encoder > A udio page, the Sample Frequency is automatic ally set to 44.1 KHz and only the bit rates compatible with 4[...]

36 © 2008 VBrick Systems , Inc . Windo ws Media Encoder Multicast -- Slot1 Click here to pl ay mul tic as t Clic k to trig ger Windows Media Pla yer to initiate streaming vi a multicast. Right-click and select Save Target As to save the .asx and send to oth ers for viewin g . T his is a good w ay to view the stream when adjusting various enco der [...]

WM Configuration VBrick WM Appliance Admin Guide 37 NSC File Infor mation -- Slot1 Multicast Playback There are sev eral w ays to play th e multi cas t stream from y our VB rick WM Appliance on Windows Media player . Th e following playback options all use the . asx file and theref ore offer all the .asx features in cluding Program Name, Author , C[...]

38 © 2008 VBrick Systems , Inc . announcements of the multic ast stream using SAP (Sessi on Announcement Protocol).) Announcements can also be sent to the P or tal Ser ver to allow access to these stream s to selected Portal Ser ver clients . The WM Appliance also serves the NSC file via HTTP so if you don 't need the features of the .asx fil[...]

WM Configuration VBrick WM Appliance Admin Guide 39 Windo ws Media Announce Co mmon Infor mation -- Slot1 Note The total num ber of ch aracters for the fir s t nine fields below (ending with Cont act Name) cannot exceed 187 c haracters . A valida tion error will display if you ex ceed th is num be r . Program Name The string pro viding the name of [...]

40 © 2008 VBrick Systems , Inc . Categor y An encoder can ha v e a SAP Categor y string . This string consists of one or more keyw ords separated by spaces . Eac h categor y keyword represents a tag associated with the encoder's video stream. VBric k EtherneTV and players can be configured to display i n their Program and Conferencing guide s[...]

WM Configuration VBrick WM Appliance Admin Guide 41 Announce Program Guide (SAP ) for Multicast -- Slot1 See Multicasting on page 4 for more infor mation about accessing a m ulticast. Configuration: Encoder > Ser ver Use this page to configure the en coder ser v er . F or multiple bit rate applications you can configure gr oups of stream paramet[...]

42 © 2008 VBrick Systems , Inc . When configuring multipl e bit rate groups, note that Group1 is the default group which will be played b y older v ersions (prior to V e rsi on 9) of the Windows Media Pla yer that do not support multiple bit rates . Also , an enabled g rou p must ha ve at least o n e stream selected and all enabled groups must ha [...]

WM Configuration VBrick WM Appliance Admin Guide 43 Click here to pl ay RTS PU Click to tr ig ger Windows Media Pla yer to initiate streaming via RTSPU . Right-click and select Save Target As to sav e the .asx and send to others for viewing . HTTP URL Use this URL in a player , bro wser , or w eb page to view the stream via HTTP . RTSPU URL Use thi[...]

44 © 2008 VBrick Systems , Inc . Unicast Playback There are sev eral wa ys to pla y the unicast s treams from y our VBrick WM App liance on Windows Media pla yer . Y ou should first de cide whether to us e HTTP or RTSPU for playbac k. This decision is primarily based on the type of network connection that ex ists between yo ur WM Appliance and you[...]

WM Configuration VBrick WM Appliance Admin Guide 45 T T o pla y back an HTTP stream using .asx: • Launc h the pla yer direct ly from the IW S by click ing the Click here to p lay HTTP . T his is a g ood wa y for the WM Appliance administrator to easily view the stream when adjust ing various encoder parameters via the IWS . • Right-click on Cli[...]

46 © 2008 VBrick Systems , Inc . netw ork pack ets . T he HTTP , RTSPU , and External Ser ver SAPs controlled here all share the Announce Common Infor mation that is sho wn read-only on this page but can be changed on the Configuration: En coder > Announce (SAP) page. Figur e 10. Configuration: Encoder > Server – Pa rt 2 HTTP SAP Tr a n s [...]

WM Configuration VBrick WM Appliance Admin Guide 47 The HT TP and RTSPU SAPs described above automatically advertis e a URL that contains the VBric k's configured IP a ddress . There ar e some situation s when those URLs w on 't w ork for players—for example when your VBrick is behind a firewall with Netw ork Address T ranslations (NA T[...]

48 © 2008 VBrick Systems , Inc . Media .asx files can also be used to create more general rollov er behavior . Using an .asx file, you can li st any combination and any ordering of unicast a nd/or multicast UR Ls and when the first one on the list is not a v ailable , the Windows Media Pla yer will automatical ly tr y the next one . One way to cre[...]

WM Configuration VBrick WM Appliance Admin Guide 49 • Create – at the ser v er level will a llow a us er to create publish ing points , or at the individual publishing point lev el it will allo w a user to cr eate Copy From Points . Adding users and privileges at the ser ver lev el will allo w all inheri ted publishing points to acquire the sam[...]

50 © 2008 VBrick Systems , Inc . and Pull publishing points . Also , authentication support is no t indi vidually controlled at the publishing point level. Either all or none are required to be authenticated. Click on the " + " to add a publishing point name . R ename it to a name of your c hoice in the Source Description field. Helix do[...]

WM Configuration VBrick WM Appliance Admin Guide 51 When this happens , the archiv er trac ks the co mbined time and si ze of all open and cl osed files , com pares the total to the config ured Archive Duration an d Archive Maximum File Size , and contin ues recording unti l the limits are reach ed. F or example , if you configure the archi v er fo[...]

52 © 2008 VBrick Systems , Inc . Wind ows Med ia A rc hiver - - S lot 1 Note Internet Explorer 7.0 o nly . When using Click here to examin e hard drive content on the Archiver page, a web page is displayed and y ou can't open the links . T o wor k around this issue, go to Page > Open FTP Si te in Wi ndows Expl orer , close the error window[...]

WM Configuration VBrick WM Appliance Admin Guide 53 Archi v e File Name T he name of the fil e to be recorded. The default file name fo r Slot 1 is archiveS1_>d >t.wmv . T he default file name for Slot 2 is archiveS2 _>d>t.wmv . The director y on the appliance's hard disk can also be pre pended to the file name. The g eneral for ma[...]

54 © 2008 VBrick Systems , Inc . FTP Ser ver Ena ble 1–8 ser vers are av ailable for FTP . W hen more th an one ser v er is enabled, th e appliance will transfer the newl y recorded file to ea ch enable d ser ve r . Since FTP transfer can be a sl ow er process than the recordin g proc ess , it is possible to o v err un the FTP queue if too many [...]

WM Configuration VBrick WM Appliance Admin Guide 55 limitation of 20 simultaneous FTP clients at any site . See Using On Demand Playbac k on page 13 for more about prog ressi ve do wnload. T T o create a file for progres siv e download: 1. Open IWS and g o to the Configuration: Encoder > Arch iv er page. 2. In the A rchive File Name field, enter[...]

56 © 2008 VBrick Systems , Inc . (unlik e the Microso ft encoder). See Cr eating Publis hing P oin ts and Creating Publishing P oints on Helix Univ ersal Ser vers for more infor mation. When configuring for multipl e bit rates , any co mbinatio n of video , audio , or script streams can be pushed to a reflector server . T he ser v er can then refl[...]

WM Configuration VBrick WM Appliance Admin Guide 57 Each Push can be enabled or disabl ed without affect ing multicast, RTSP , HTTP streaming, or other activ e pushes . Howev er , changin g the "inc lude" settings wil l cause a brief inter r uption of video and audio for all three encoders . All streams being sent from the unit (including[...]

58 © 2008 VBrick Systems , Inc . to each o f those destinations . After y ou define a reflector sour ce, y ou must define a destination for the r eflected stre am. Each of the destination opt ions shown in T a ble 12 is explained on the following pages. Ta b l e 1 2 . R eflector Sources and Destinations † It is important to note that th e reflec[...]

WM Configuration VBrick WM Appliance Admin Guide 59 Pull Recei v er The Pull option provides persistent pullin g of an HTTP stream via a TCP connectio n from a VBrick appliance , a Microsoft encoder , or a Windows Media server . The source URL must contain the por t number if the source is from a por t other than port 80. If the URL contains a host[...]

60 © 2008 VBrick Systems , Inc . on the mode, a pu ll feature will do nothing, continuously tr y to pu ll a stream from t he configured source, or will pull the header fro m the configured source an d wait for a client to connect before it tries to g et the stream. A cl ie nt in this case is an enabled multicast destination, a ser ver RTSP or HTTP[...]

WM Configuration VBrick WM Appliance Admin Guide 61 Pulling MBR Streams The Pull option does not distinguish between i ndividual MBR st reams and will request all streams from t he source—effect iv ely pulling the ag greg ate MBR s et. The bandwidth requi red to pull the stream is the total rate for th e ag g regate stream and ma y be consi derab[...]

62 © 2008 VBrick Systems , Inc . Configuration: Ref lector > Multicast Use this page to configur e a Multicast destination. As no ted, the R eflector sends exactly what is receiv ed, and for this reason, the conf igured destinations do not let y ou select different video and audio rates . The Ref lector will only transm it multicast when the so[...]

WM Configuration VBrick WM Appliance Admin Guide 63 Configuration: Ref lector > Ser ver Use this page to configur e a Ser ved HT TP an d RTSP Un icast (pull) destination . The R eflector will only send stream s when the source strea m is being recei v ed. See Configura tion: Encoder > Ser ver on page 41 for a description of the fields on this[...]

64 © 2008 VBrick Systems , Inc . Configuration: Ref lector > Archiv er Use this page to configur e an Archi ve to a File destination. See Configur ation: Encoder > Archi ver on page 50 for a description of th e fields on this page. The Archiv er will only write data to the file when the so urce st ream is be ing received. I f you star t the [...]

WM Configuration VBrick WM Appliance Admin Guide 65 Configuration: Ref lector > Push Use this page to configure HTTP Push destinations. Ev en if enabled, the R efl ector HTTP Push is only activ e when the source stream is being received. See Configuration: Encoder > Push on page 55 for a description of the fields on this page.[...]

66 © 2008 VBrick Systems , Inc . Configuration: JPEG This windows lets you configur e a WM encoder with an attach ed video source (such as a camera) in order to take JPEG snapshots at a specifi ed inter val . Depending on the application, the snapshot can be displayed in a web page in realtime or FTP ed to a ser v er for archi ve storage . T ype t[...]

WM Configuration VBrick WM Appliance Admin Guide 67 JPEG Configuration The foll o wing fields enable im age capture and specify the capt ure inter val and compression quality . Note that if you change any of these pa rameters for a liv e enco der stream, there will be a momentar y (10 seconds or less) loss of video . (F or JPEG capt ure status , se[...]

68 © 2008 VBrick Systems , Inc . JPEG FTP Configuration The following fields de ter mine how the JPEG imag es are handled with respect to an FTP ser ver . JPEG Capture Constraints Due to memor y requirements, JPEG capture ca n reduce the maximum n umber of supported clients a dual WM encoder (with archiver), or dual WM and MPEG-2 encoder (with arc[...]

WM Configuration VBrick WM Appliance Admin Guide 69 Ta b l e 1 3 . Supported Clients with JPEG Capture Configuration: FTP File T ransfer Configuration: FTP File T ransfer > Ser vers Up to eight ser vers are av ailable and can be sim ultaneousl y selected. When more than one ser ver is en abled, the appliance will transfer the newly recorded file[...]

70 © 2008 VBrick Systems , Inc . FTP Ser ver 1–8 Name FtpServer1–FtpServer8. T ype VBrick or Non-VBric k Appliance. • VBrick App liance – When sending to a VBrick appliance , the ser ving VBrick must select the D: director y . T he configuration of VB ri ck A pp li an ce au to ma ti ca ll y a dd s D : t o t he pa th na me or t o an y other[...]

WM Configuration VBrick WM Appliance Admin Guide 71 Configuration: FTP File T ransfer > T ransfer s Use this page to manually initia te FTP transfers to any of the configured ser v ers . Y ou can separately setup and use eight ser vers for FTP Fi le T ransfer . En ter the s er v er parame ters in the Configur ation: FTP Fi le Transfer > Serve[...]

72 © 2008 VBrick Systems , Inc . FTP Queue Operation Changes to the entries on the screen do not tak e effect until you select an action button: Add to FTP Queue , Remove from FTP Queue or Flush Q ueue . Hard Dri v e Status F or a description of hard driv e stat us s creens , se e Status: Hard Dri v e on page 102. Configuration: P assthrough The T[...]

WM Configuration VBrick WM Appliance Admin Guide 73 Configuration: P assthrough > COM1 P assthrough State: R esponder P assthrough State Used to enable/disable Passthr ough. Y ou must be the Activ e Editor to enter a Passthrough state . Three state s are possible: • Disabled – The VBrick will neither in itiate nor respond to P assthrough set[...]

74 © 2008 VBrick Systems , Inc . Pa s s t h r o u g h S t a t e : I n i t i a t o r Baud Rate Rate of P assth rough port. Rate can be set to the following (Default = 9600): 110, 30 0, 600, 1200, 2400 , 3600, 4800, 7200 , 9600, 14400, 19200, 2880 0, 38400 , 57600, 115200 . Stop Bits Number of stop bits for Passthrough port (1 or 2). P arity None, E[...]

WM Configuration VBrick WM Appliance Admin Guide 75 Destination • Dedicated. When P assthrough State i s set as Initiator and the Destination is Dedicat ed, the VBrick applian ce (whose serial port is the destination of this COM port) can be conf igured and iden tified using either an IP address or a host name . • Slot1 MetaData. If Meta Data i[...]

76 © 2008 VBrick Systems , Inc . Configuration: P assthrough > COM2 P assthrough settings for COM2 are a subset of COM1. See Configuration: P assthrough > COM1 for comple te details . Configuration: System Configuration: System > General System This menu lets you set system-related pa rameters . Network Time Synchronization Enabled or Dis[...]

WM Configuration VBrick WM Appliance Admin Guide 77 Front P anel LCD Display These settings will be displayed for approximat ely 6 seconds . After 6 seconds the LCD will displa y the current release, IP addres s , hostname , plus trans mit and recei ve addr esses and other status infor mation. Configuration: System > SNMP T raps SNMP T raps are [...]

78 © 2008 VBrick Systems , Inc . manager application (not supplied). The SN MP MIB , whic h for mally defines the SNMP interface to the VBrick, is co ntained within the in stall directory of the VBrick release or from the VBric k. The two MIB file s are VBrick_ box2.mib and VBrick_reg .mib . The default installation dir ector y is: Program FilesV[...]

WM Configuration VBrick WM Appliance Admin Guide 79 Ta b l e 1 4 . T rap Su mmary Ta bles DNS Host Name Complete if Host T ype = DNS Host Name. SNMP T r ap V ersion Select V ersion number . T rap User Name A uthentication P assword Enter passw ord. Cannot exceed 20 characters . Ma y include any combination of alphan umeric c haracters but only the [...]

80 © 2008 VBrick Systems , Inc . Configuration: System > Security 21 The 2.5 volts po wer supply failed. 22 The 2.5 volts po wer supply failure has cleared. 23 There is a Real Time Clock battery failure. 24 The unit has been configured to tran smit an d/or receive vi deo streams bey ond its capability . 25 Signifies the ov erloaded unit is reco[...]

WM Configuration VBrick WM Appliance Admin Guide 81 Improving Security Y ou can impro ve security b y (1) blocking un authorized attempts to login and access a dev ice and (2) by reducing expo sure to malicious softw are attacks . T he most common vulnera bility is related to user accounts and passwor ds . After a successful installation, y ou shou[...]

82 © 2008 VBrick Systems , Inc . software and unlikely to be a target of prog ra ms designed to attack PC-based systems like Microsoft, Linux, and others . However , y ou can still take additional st eps to minimize risk. VBrick tri es to make installa tion as simple and quic k instal lation and many features are automatically ena bled by default [...]

WM Configuration VBrick WM Appliance Admin Guide 83 Configuration: Script Mana gement Configuration: Script Mana gement > Ev ent T riggering Y ou can create and r un scripts to activ ate certain functions on a VBrick appliance . There are three wa ys to r un scripts on an appliance . (1) Y ou can r un sc ripts for test pur poses using the Run Sc[...]

84 © 2008 VBrick Systems , Inc . Figure 11. Script Management – Part 1 Click here to read or write script files Login to the VBrick via FTP and mana ge script files . R equires a valid user name and password. Event Enab le Allo ws the user to Enable/Disable Ev ent T rig ge ring for eac h input event. Event Sta ble Time Allo ws the user to enter [...]

WM Configuration VBrick WM Appliance Admin Guide 85 Figur e 12. Script Manag ement – P art 2 Run Scripts Using the IR R emote Contr ol IR R emote Control scripts are enable d by simply placing a file named irNScript.txt (where N is a num ber from 0–9) in the script dire ctory of the unit. F or ex ample na ming a scr ipt file as ir0Script .txt w[...]

86 © 2008 VBrick Systems , Inc . Scripting Notes • * denotes end of g roup . • Each group can ha ve a maximum of six sets . • Each group must hav e apply sets for all normal sets. • W ait state will be alone in a g roup . • There is no clear command. • Script commands must star t in column 1. • There is no chaining of scripts . • C[...]

WM Configuration VBrick WM Appliance Admin Guide 87 Sample Script The auto config script file ( conf ig.xml ) is an .xml file with the follo wing syntax. It can set any VBrick paramet ers and force an "apply" as ne eded. This example sho ws ho w to set v arious recorder parameters . Note that a VBEXECUTE FORCE tag is required. <XML Hea[...]

88 © 2008 VBrick Systems , Inc .[...]

VBrick WM Appliance Admin Guide 89 Chapter 3 SDI Configuration Topics in this chapter Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 SDI Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

90 © 2008 VBrick Systems , Inc . Configuration: Encoder > Video Configuration: Encoder > Audio The encoder video and audio configurations for an SDI-equipped appliance are only av ailab le on cer tain models . T o see if an appliance suppor ts SDI, chec k for an SDI connector on the VBrick rear panel or go to IWS and check the Video Input Ty[...]

SDI Configuration VBrick WM Appliance Admin Guide 91 SDI Limitations Although most of the WM encoder's compression, streaming, and ser ving capabilities are the same when using SD I video as the y are when using ana log video , there are certain limitations when the encoder is co nfigured for SDI video input. SDI Audio Input Input can be throu[...]

92 © 2008 VBrick Systems , Inc .[...]

VBrick WM Appliance Admin Guide 93 Chapter 4 Status Topics in this chapter Status: System Infor mation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 3 Status: Networ k Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 4 Status: [...]

94 © 2008 VBrick Systems , Inc . Status: Netw ork Status Status: Netw ork Status > Codec This page lets you view v arious netw ork-lev el parameters . General Interface This section reports the existence of any un desired (and unrequested ) video streams being receiv ed by the VBric k. Unreque sted streams greater than 1.5 Mbps are automaticall[...]

Status VBrick WM Appliance Admin Guide 95 Status: Netw ork Status > Ro uting This screen lets you view the internal routing tables . Extra Stream Count Number of unexpected video streams being receiv ed on this interface. Misdirect IP Address The IP A ddress of the appliance transmitting one of the extra video streams receiv ed on this interface[...]

96 © 2008 VBrick Systems , Inc . Status: Netw ork Status > Network Time Status: Encoder Status Many of the sta tus values (for example Frames per Second, IP Bytes T ransfer red, etc. ) on the following windo w are re-measured and updated periodically . Use the Refresh button on the IWS pag e to update with new values . Status counters can be se[...]

Status VBrick WM Appliance Admin Guide 97 General Vid eo Encoder State Running indicates normal operation. Video Input Pr oblem indicates a pr oblem with the vide o source. V erify that the video source is w orking correctly and that your video cable is good. V erify that the Configuration : Encoder > Video > Video Input T ype is properly set[...]

98 © 2008 VBrick Systems , Inc . Audio Close Captioning ASF Frames P er Second Measured rate in fra mes per second of the encoded video frames being crea ted by the a ppliance . Fram es Encoded Increments as compressed frames are produced b y the appli ance . VFR Frames Dropped When Configuration: Enco der > Video > Rate Control Method is co[...]

Status VBrick WM Appliance Admin Guide 99 Multicast Status: Ref lector Status Status: Ref lector Status > General The Reflector Status pag e displays status based on the selected source. If y ou select Push Receiver as the Reflector Source on the Config uration: Reflector page, you will see "push" infor mation; if you select Pull Recei[...]

100 © 2008 VBrick Systems , Inc . ASF Multicast Status: JPEG Status Displays JPEG image c apture status if enabled. See Configuration: JPEG on pag e 66 for more about configuration. F ailed Count Increments each time a push sender tri es to connect but fails . Common reas ons for failed attempts are incor rect publishing point name, user name, or [...]

Status VBrick WM Appliance Admin Guide 101 Video R esol ution R esolution o f snapshots deter mined by the configuration of the associated WM encoder. One of the follo wing: 640x480 640x360 640x240 640x180 512x384 512x192 400x300 384x216 320x480 320x240 256x144 240x180 160x120 128x72 Number of Images Number of images captured since ca pture w as en[...]

102 © 2008 VBrick Systems , Inc . Status: Hard Dri v e Status: Hard Driv e > General Status: Hard Driv e > Archi v er[...]

Status VBrick WM Appliance Admin Guide 103 General FTP Status Archi ver State Status of the Arc hiv er as follows: •F a i l e d . • Stopped, never started. • Stopped, by user . • Stopped, Disk Full (less than 100 MBytes remains) • Stopped, File Size Limit (approximately 4 GB). • Stopped, FTP Overr un. • Stopped, Duration Complete. •[...]

104 © 2008 VBrick Systems , Inc . Status: Ser ver Status Status: Ser ver Status > General HTTP/RTSP Ser v er Status: Ser ver Status > Encoder Details This window has details for ever y client (up to 202) cur rently receiv ing an HTTP or R TSP stream from the VBrick appliance . Current Number of Cli ent Sessions Current number of HTTP and/o r[...]

Status VBrick WM Appliance Admin Guide 105 Status: Ser ver Status > Ref lector Details This window has details for ever y client (up to 202) cur rently receiv ing an HTTP or R TSP stream from the VBrick appliance . Status: Push Status The number of rows on this page matches the numb er of configured push destinations for each slot. In dual encod[...]

106 © 2008 VBrick Systems , Inc . HTTP Push Status State P ac ket Se nder (the enco der) R eady to Send or Not R eady to Send. Infor mation If enabled, Push information is shown here (and written to the System Ev ent log) whenev er it c hanges . R etr y Count Increments for each retr y . T h e appliance will automatically retr y the push every 2?[...]

Status VBrick WM Appliance Admin Guide 107 Status: FTP Ser v er Status Status: System Log System logs can giv e y ou more information abou t the status of your appliance . Eac h log can hold up to 20 of the latest info r mational mess ages . All logs are emptie d when the appliance is pow ered do wn or reset. Status: System Log > Config This log[...]

108 © 2008 VBrick Systems , Inc . Status: System Log > System Ev ent This log contains repor ts of system even ts wi thin the VBric k. These e v ents may occur during nor mal oper ation and include som e details of su ccessful and unsuccessful atte mpts to access the HTTP and RTSP ser ver as well as a some details concer ning ser ver push retri[...]

Status VBrick WM Appliance Admin Guide 109 Status: System Log > T raps This log contains all of the SNMP traps genera ted by the box whether or not the traps ha v e been emitted. Status: System Log > System Info This log contains unexpected behaviors detected b y the VBrick softw are . Nor mally this log is used by VBrick Support Ser vices to[...]

110 © 2008 VBrick Systems , Inc . Status: User Infor mation User infor mation incl udes detailed hardw are -lev el infor mation about the printed circuit boards in the VBrick appliance . Status: User Infor mation > Main Board[...]

Status VBrick WM Appliance Admin Guide 111 Status: User Infor mation > Slot1[...]

112 © 2008 VBrick Systems , Inc .[...]

VBrick WM Appliance Admin Guide 113 Chapter 5 Diagnostics Topics in this chapter Diagnostics: Netw ork T ests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113 Diagnostics: Device T est . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 5 Diagn[...]

114 © 2008 VBrick Systems , Inc . Diagnostics: Network T ests > T race Route T est The Internet is a large and complex agg regati on of network har dware , connected together by gateways . T ra cking t he route pac k ets follo w or findin g a gatewa y where the pack ets are being discarded is difficult. Th e T race Ro ute test attempts t o trac[...]

Diagnostics VBrick WM Appliance Admin Guide 115 T ra ce Route T est Res ults The r esults of the test appear at t he top of the screen. The results include the Resolv ed IP Address of the Destination Host Name . When th e test is finished or stopped, the Ov erall R esult will display the result of the test, such as "T est Done," or "[...]

116 © 2008 VBrick Systems , Inc . 6. When done, reset Conf igured Operat ional Mode to Run . Loop Count Number of times to r un test. Continuous Click to r un in continuous loop . T est Intensit y Low intensity is faster but r uns fewer tests . High intensity r uns all tests and may take up to 10 minutes .[...]

Diagnostics VBrick WM Appliance Admin Guide 117 Diag nostics: Hard Dri v e T To r u n C h e c k D i s k : 1. Go to Conf iguration: S ystem > Gene ral . 2. Set th e Configured Operational Mode to Diagnost ics . (After y ou press Apply , th e appliance will reboot. W ait until the fr ont panel displays "Diagnostic Mode .") 3. Go to Diagn[...]

118 © 2008 VBrick Systems , Inc .[...]

VBrick WM Appliance Admin Guide 119 Chapter 6 Maintenance Topics in this chapter Maintenance: Device Infor mation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119 Maintenance: Default All Configur ation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120 Maintenance: R ead/W r[...]

120 © 2008 VBrick Systems , Inc . Maintenance: Default All Configuration This menu allows the user to default all the configuration parame ters of the VBric k. Maintenance: Read/W rite Configuration Maintenance: Read/W rite > Read From Device The Read/W rite Configura tion pag e allows you to read configuration parameters from the VBrick to a f[...]

Maintenance VBrick WM Appliance Admin Guide 121 Read Configuration Data from Device Y ou can read the configuration parameters from the VBric k by clic king the Read button on the page. After clicking on the button, an xml documen t with all the configuration parameters will pop up (s ee Figure 13). T he .xml document ca n then be saved to your PC [...]

122 © 2008 VBrick Systems , Inc . Figur e 13. Sample VBric k Configuration File Maintenance: Read/W rite > W rite T o Device This page lets you write conf iguration parameters from an .xml file to t he VBrick. On a successful write, all pa rameters will be sa v ed to Flash and the appliance will reboot. Only administrator lev el users and abov [...]

Maintenance VBrick WM Appliance Admin Guide 123 W rite Configura tion Data to Device T T o write configuration parameters to the VBrick from an .xml file: 1. Click the Browse button and navigate to the configuration file you want to write to the appliance. 2. Click on the Write button to write the selected file to the VBr ick. The configuration par[...]

124 © 2008 VBrick Systems , Inc . User Name Enter desired user name. Cannot ex ceed 20 c haracters . It ma y include any combination of alphan umeric ch aracters and only the follow ing special characters: ~ ! # $ ^ * + & % [ ] { } | < > See T able 15 below for defaults . P assw ord Enter passw ord. Cannot exce ed 20 characters . May inc[...]

Maintenance VBrick WM Appliance Admin Guide 125 Ta b l e 1 5 . Default User Names and Passw ords Maintenance: User names & Pass w o rds > Change SNMPv3 Pa s s wo r d s User L evel Default User Name Default P ass w ord Authorit y Administrator admin admin R ead, diagnostics , edit, c hange passw ord, netw ork and routing . Operator operator o[...]

126 © 2008 VBrick Systems , Inc . A uthentication P assw ord Enter password. Cannot exceed 20 c haracters . May include any combination of alphan umeric c haracters but only the follo wing special c haracters: ~ ! # $ ^ * + & % [ ] { } | < > See T able 15 for defaults . A uthentication Protocol Sele ct protocol: MD5 or SHA. Priv acy P as[...]

VBrick WM Appliance Admin Guide 127 Chapter 7 Maintenance Mode Topics in this chapter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127 Maintenance Mode CLI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Ov e[...]

128 © 2008 VBrick Systems , Inc . Maintenance Mode F eatures • Provides support for the download and upg rade of software via VBDownload. • Supports limited IWS and CLI fo r configuration and diagnosis . • Local access of the VBrick is supported through COM 2 on the rear of the box, refer to the section on Command Line Interface (CLI ) in Ch[...]

Maintenance Mode VBrick WM Appliance Admin Guide 129 • If you log int o the Integrated W eb Ser ver (IWS ), the screen indicate s the appl iance is in maintenance mode and the reason. • The T elnet and/or Command Line Interf ace (CLI) prompt after you login is VBMaintMo de> and displays one of the following codes . Maintenance Mode CLI Opera[...]

130 © 2008 VBrick Systems , Inc . c nt 6 xxx T o edit the IP Host Name. The defau lt is the Media Acce ss Control (MA C) address , a hardware address that uniquely identifies each node of a network. The Host Name can be a maximum of 1 8 characters; the first char acter must be a letter and the last character a number . T he middle characters ca n [...]

VBrick WM Appliance Admin Guide 131 Chapter 8 WM T emplates Seve n selectable templates h av e been pr econfigured for many common applications . T emplates apply to Video and Audio settin gs only . There are always trade-offs when select ing encoder settings . In general, finer resolution detail and smoother moti on will require more resources and[...]

132 © 2008 VBrick Systems , Inc . Ta b l e 1 7 . Preconfigured WM Applian ce T emplates Best Quality T emplate Name Description Best Quality Appro ximately 4.5 Mbps with highest rate stereo audio and highest resolution video at 30 frames per second. R esolution 640x4 80. This template does not support multiple bit rate (MBR). LAN Appro ximately 1.[...]

WM T e mplates VBrick WM Appliance Admin Guide 133 LAN Ca ble/DSL-300K, High Motion This is the default template. T he WM appliance is config ured and shipped with these template settings applied. Audio Encoder P arameter Setting Audio Channels Stereo L+R Bit Rate 192000 Sample Frequency 48 KHz Video Encoder P arameter Setting R esolution 32 0x240 [...]

134 © 2008 VBrick Systems , Inc . Ca ble/DSL-300K, Low Motion Ca ble/DSL-128K, High Motion Ca ble/DSL-128K, Low Motion Sample Frequency 44.1 KHz Video Encoder P arameter Setting R esolution 32 0x240 Rate Control Method CBR/CFR T arget Bit Rat e 2570 00 T a rget Frame Rate 15 NTSC , 12.5 P AL Key Frame Inter val 5 Smoothness 0 Picture Center Qualit[...]

WM T e mplates VBrick WM Appliance Admin Guide 135 Modem 56K Security & Sur v eillance R esolution 24 0x180 Rate Control Method CBR/CFR T arget Bit Rat e 9000 0 Ta r g e t F r a m e R a t e 1 0 ( N T C S a n d PA L ) Key Frame Inter val 6 Smoothness 0 Picture Center Quality Differenc e 0 Buffer Size 5000 Audio Encoder P arameter Setting Audio C[...]

136 © 2008 VBrick Systems , Inc . Key Frame Inter val 10 Smoothness 0 Picture Center Quality Differenc e 0 Buffer Size 10000 Audio Encoder P arameter Setting Audio Channels Mono (L) L+R Bit Rate 8000 Sample Frequency 8 KHz[...]

VBrick WM Appliance Admin Guide 137 Chapter 9 Stream Prioritization Topics in this chapter Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Stream Prioritization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

138 © 2008 VBrick Systems , Inc . Non Bitrate Constrained Example 1 – Priority List Suppose that the priority list is video 1 , audio 1 , video 2 , audio 2 , video 3 , audio 3 (do not confuse the subscript s used here with Encoder MBR Sel ections). The WM Player identifies these fiv e pairs: video 1 , audio 1 ; audio 1 , video 2 ; video 2 , audi[...]

Stream Prioritization VBrick WM Appliance Admin Guide 139 Example 4 – Sliding Window Beha vior As an example, consider this priorit y list: audio 1 , script, video 1 , audio 2 , video 2 , audio 3 , video 3 . Depending on the value of the bitrate co nstraint, the WM Player might select no stream; or it mi ght select audio 1 , and no other stream; [...]

140 © 2008 VBrick Systems , Inc . 2. Make a "V" list of st reams , by following th e same procedure used for making the A list, but with the ter ms "audio" and "video" sw apped. 3. Make the prio rity list be the A list, if th e low est-bitrate audio stream included in the mult iplexing application ha s bitrate less th[...]

VBrick WM Appliance Admin Guide 141 A Announce Extern al Ser ver -- Slot1 47 Announce HTTP and RTSPU Ser ver 45 Announce Program Guide (SAP) for Multicast - - Slot1 41 Archi ver and R e corder Functionality 15 ASF 98 , 100 Au di o 98 A udio T emplate Settings 33 B Best Quality 132 Bit Rate and Sample Frequency 34 C Cable/DSL-128K, High Motion 134 C[...]

142 Index Maintenance Mode Indicators 128 Maintenance Mo de Limitations 128 MBR Groups 11 MBR Output Settings 10 MBR T r oubleshooting 12 Mixed Model Appliances 14 Modem 56K 135 Multicast 99 , 100 Multicast Playbac k 37 Multicasting 4 N Netw ork Time Synchronization 20 NSC File Infor mation -- Slot1 37 O Optimizing System P erfor mance 14 Overview [...]

VBrick WM Appliance Admin Guide 143 Diagnostic s Device T est 115 Netw ork T ests 113 Maintenan ce Default All Configuration 120 Re ad / Writ e > Rea d Fr om D e vi c e 120 R ead/W rite > W rite T o Device 122 R ead/W rite Configuration 120 Maintenan ce Mode CLI Oper ation 129 Pa ss t h r ou g h S ta t e Re sp o nd e r 73 Sample VBrick Scrip [...]

144 Index[...]

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VBrick Systems , Inc . 12 Beaumont R oad W allingford, Co nnecticut 06492, U SA[...]