Agilent Technologies E2050-90003 manuale d’uso

Agilent E2 050 LAN/GPIB Gateway Inst all ation and Configurat ion Guide Manu al Par t Numb er: E2 050-90 003 Printed in U. S.A. E0701[...]

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Content s 3 Cont ents E2050 LAN/GPIB G ateway User’s Guide Front Matter .................. .................... ................... ................... ................... 5 Warranty Information ................. ................... ............. ................... 5 Contactin g Agilent ................ ................... ............. ........[...]

Content s 4 4. Administration ........................ ................... ................... .................... .. 6 3 Using the Telnet Util ity............ .................... ................... ............... 6 5 Accessing the Telnet Uti lity ................. ................... ............... 65 Exiting the Telnet U tility .............[...]

5 Notice The info rmation co ntained in thi s document i s subject to change without notice. Agilent T echn ologies sh all not be liable f or any error s contained i n this document . Agilent T ec hnologie s makes no warranties of any kind wi th regard to th is docu ment, whethe r express or impli ed. Agilent T echnologies specifi cally dis claims [...]

6 T radema rk Information Microsoft ®, Window s ® 95, Wi ndows ® 9 8, Windows ® Me, Windows ® 2000, and Windows NT® are U.S. reg istered tradem arks of Microsoft Corporat ion. All oth er brand an d product na mes are tr ademarks or regist ered tra demarks of their re spective companies. This soft ware and d ocumentation ar e based i n part on[...]

7 Safety Considerations Product and Do cument ation Labe ls A W ARNING de notes a hazard tha t can cause injury or death. A CAUTION denotes a hazard that can damag e equipme nt or cause data loss. Do not proceed beyond a WARNING or CAUT ION notice until yo u understand the hazardo us conditi ons and have taken approp riate steps. Grounding The powe[...]

8 If your device doe s caus e interfere nce to radi o and tel evision r eceptio n, you are enc ouraged to tr y to correc t the inter ference by one or m ore of the following measures : n Relocate the radio or TV antenna . n Move the device a way from the radio or televisi on. n Plug the device into a different el ectrical outl et, so tha t the devi[...]

9 Manufac turer ’ s Name: Agil ent T echnologi es, Incorp orated Manufac turer ’ s Address: 815 - 14th S t. SW Lovelan d, Colora do 80537 USA Declare s, that the prod uct Product Name: LAN/GPIB Gateway Model Num ber: E2050B Product Options : This de claration covers a ll opt ions of th e above p roduct(s). Conforms w ith the following E uropean[...]

10[...]

11 1 Introduction[...]

12 Chapter 1 Int roduc tion This A gilent E2050 LAN/GPIB Gate way Installa tion and Co nfiguration Guide gives g uideline s to install an d configu re the E2050 LAN/GPIB Gateway (Gateway) for use wit h supported, network-equi pped computer systems. Y ou can also use this guid e to administe r the Gateway on your netwo rk and to troubl eshoot in sta[...]

Chapter 1 13 Introductio n How to Use This Guid e How to Use This Guide The info rmation in this guide assum es you are a Ne twork Admin istrator wh o install s, config ures, and ma intains a local a rea networ k (LAN ), includi ng network-r elated hard ware like the E 2050 LAN/GP IB Gatewa y . If you use a Series 700 HP-UX works tation with the Ga[...]

14 Chapter 1 Introductio n How to Use This Guid e Related Software Document ation Suggeste d softwar e manuals y ou can use fo r E2050 LAN/GPIB G ateway operatio n with the liste d I/O applicatio n software prod ucts follow . The E2050 Gateway supports al l I/O app lication op erations by these s oftware prod ucts except fo r parallel po lling, S I[...]

Chapter 1 15 Introductio n E2050 Har dware Desc ription E2050 Hardware De scription In additio n to this guide, the E20 50 produ ct package con sists of: n E2050 LAN /GPIB Gate way Front P anel n E2050 LAN /GPIB Gate way Rear Pan el n AC/DC Ad apter and S tandard AC Power Cord n Rack Mount K it (Optional) E2050 LAN/GPIB Gateway Front Panel As show [...]

16 Chapter 1 Introductio n E2050 Har dware D escription E2050 LAN/ GPIB Gateway Rear Panel This figu re shows the back panel feat ures of t he Gateway . No te that the RS-232 i nterface is NO T suppor ted for I/O a pplication use.. E2050 LAN/G PIB Gatewa y Rear Panel GPIB Connector Config Preset butto n for resettin g the Gate way to its factory- s[...]

Chapter 1 17 Introductio n E2050 Har dware Desc ription AC/DC Adapter and AC Power Cord As show n in the follo wing figur e, the powe r module ( AC/DC Adapte r) (Agile nt part number 0950-25 46) provid es 5 Vdc pow er to the Gateway . T he 4-foot, DC cable attache d to the pow er module conn ects to the pow er input on the bac k panel of the Gatewa[...]

18 Chapter 1 Introductio n E2050 So ftware/F irmware Arch itecture E2050 Software/Firmware Architect ure This secti on describes E2 050 softwa re/firmware archit ecture, includi ng: n I/O Appl ication Soft ware Suppor ted n T ypic al LAN Connec tions n Software/F irmware Over view n Using Appli cations Software I/O Appl ication Software Supported T[...]

Chapter 1 19 Introductio n E2050 S oftware/Firmw are Architec ture T ypical LAN C onnections The E20 50 LAN/GPIB Gateway c ombines hardware a nd firmw are in a s ingle box that p rovides a netw ork gateway between net work-equipped computer system s and GPIB based in struments. Th e Gateway enables us ers of I/O applica tions to o btain measurem en[...]

20 Chapter 1 Introductio n E2050 So ftware/F irmware Arch itecture The Gateway connects the local area network (L AN) from the computer system to the GPIB bus. Network -equipped c omputer syste ms that are support ed for use wi th the Gat eway include S eries 700 w orkstations and 32-bit PC s. Follow ing the clie nt/server model of com puting, the [...]

Chapter 1 21 Introductio n E2050 S oftware/Firmw are Architec ture Software/Fi rmware Architectur e Overview Agilent SICL contains th e LAN client software needed to a ccess the LAN/GPIB G ateway . Thus, SICL is also prov ided with the VISA, VE E, and HP BASIC /UX 700 I/O applicatio n softwar e products. T o use any of th ese software products with[...]

22 Chapter 1 Introductio n E2050 So ftware/F irmware Arch itecture Using Appli cation Software This sec tion summar izes how the s oftware on a client comp uter syste m works with the E2050 LAN /GPIB Gatew ay to com plete I/O app lication operatio ns on attached G PIB instr uments. For mo re informa tion on how to use your s oftware with the Gatewa[...]

23 2 Inst allation[...]

24 Chapter 2 Inst allation This cha pter shows how to install the E2050 LAN/GPIB G ateway on the LAN and th e GPIB bus for use w ith network- equipped computer s ystems, includi ng: n Hardware Requirem ents n Software R equireme nts n Hardware Installation[...]

Chapter 2 25 Installatio n Hardware Requirement s Hardware Requirement s T o in stall the Gatewa y , you must have the fo llowing h ardware: n One or more of th ese network -equipped computer systems to act as the L AN clien t system (s): q HP 9000 Ser ies 700 wor kstation q 32-bit per sonal com puter (PC) n A local area net work (LAN) to which the[...]

26 Chapter 2 Installation Software Requirement s Software Requiremen t s Each client com puter sys tem that wil l access the Gatewa y must be running one of the f ollowing operatin g systems. n HP-UX V ersion 9 or V er sion 10 .01 or later (for Serie s 700 workstations) n Micros oft Windows 9 5, Windows 98 , Windows 20 00, Windo ws Me, or Windows N[...]

Chapter 2 27 Installatio n Installing the Hardware Inst alling the Hardware This sec tion show s how to insta ll the LAN/GPI B Gateway ha rdware b y connecti ng it to th e LAN, GPIB bus, and p ower modu le. Step 1: Record L AN Hardware Ad dress First, find t he hardwar e address of the LA N interface in t he E2050 LAN/GPIB G ateway . Turn the Gatew[...]

28 Chapter 2 Installation Installing the Hardware Step 3 : Connect the Gateway to the Network n Ethe rtwi st C onne ctio n. For Ethertwi st, conne ct the LAN cable to t he RJ-45 conn ector on the back panel of th e Gateway . CAUTION Do not conn ect to both the RJ-45 and th e BNC connec tors on the Gateway . On ly one c onnection to the LAN int erfa[...]

Chapter 2 29 Installatio n Installing the Hardware n ThinLAN Connectio ns. For Thi nLAN, connect the LAN cable to the BNC co nnector on t he back pane l of the G ateway using a BNC “T” connect or . M ake sure th e ThinLAN s egment is pr operly te rminated . If the Gate way is the e nd node on the L AN, a 50- ohm BNC termina tor must be attached[...]

30 Chapter 2 Installation Installing the Hardware Step 4: Conne ct GPIB Cable and Power Cords n Connect th e GPIB cable from the GPIB i nstrument(s) to th e GPIB connecto r on the b ack panel of the Gateway . n Connect th e DC power cord attached to the powe r module ( AC/DC Adapter) t o the po wer input on t he back panel of the Gatewa y , as show[...]

Chapter 2 31 Installatio n Installing the Hardware Step 5: Obse rve the Po wer-On Sequenc e n The Gatewa y now g oes through its power-on, h ardware se lf-test. V erify that the h ardware is working pr operly by l ooking at the LEDs on the fro nt panel of the Gateway . n The green Power LED should now be illum inated and the red Fault LED shou ld b[...]

32 Chapter 2 Installation Installing the Hardware Notes:[...]

33 3 Configuration[...]

34 Chapter 3 Configuratio n This cha pter gives guidelines to config ure the E205 0 LAN/GP IB Gateway on your ne twork. Y ou can use t his chap ter if you a re configur ing the Gat eway for the fi rst time on your networ k or if yo u need to c hange the Gat eway’s configur ation. This ch apter incl udes: n Settin g Configur ation V alues n Using [...]

Chapter 3 35 Con figur ation Setting Configuration V alues Setting Configu ration V alues This s ection giv es guide lines to se t E2050 co nfigurat ion valu es, incl uding: n S te ps to Set Confi guration V alues n Configu ration V alu es Descripti ons n Default Conf iguration Setti ngs n How Configurat ion V alue s are Used St ep s to Set Configu[...]

36 Chapter 3 Config uration Setting Configuration V alues The fol lowing table des cribes the c onfigurat ion values for the E2 050 and the applica ble defaul t (factory -set) va lues. The E 2050 LAN/G PIB Ga teway is shipped from the fa ctory w ith defaul t settings for the con figuration v alues listed i n the table. Y ou can use t he methods des[...]

Chapter 3 37 Con figur ation Setting Configuration V alues Hardware Address (MAC) (cont ’d) N/A The hardware add ress val ue cannot be set or changed w ith T elnet co nfiguratio n of the LAN /GPIB Ga teway . How ever , the hardwa re address value mu st be spec ified and set when using the BOO TP or the BO OTP with TF TP configurati on method . Ho[...]

38 Chapter 3 Config uration Setting Configuration V alues IP Address 192.0.0.192 This v alue is the I nternet Proto col (IP) add ress of the LAN/G PIB Gateway . T he IP addres s is a re quired va lue and is use d for all I P and TCP/I P comm unications with the LAN/GPIB Gate way . The IP ad dress is represente d in dotte d decima l nota tion (for e[...]

Chapter 3 39 Con figur ation Setting Configuration V alues LAN T imeout 0 sec This v alue set s the L AN conne ct timeo ut in sec onds. The Gateway may use th e TCP ke epaliv e timer of th e TCP/IP prot ocol sta ck to de term ine if a clie nt is st ill r eacha ble. B y speci fying thi s configu ration va lue, the G ateway turn s on the keep alive t[...]

40 Chapter 3 Config uration Setting Configuration V alues Syslog Serv er Address (cont’d) 0.0.0.0 Ty p i c a l l y, syslogd obt ains its rou ting inform ation from the / etc/syslog.conf con figurat ion file, which you can edit to speci fy the log fi le to wh ich you want syslog messages from the LAN/GPIB G ateway routed. See syslogd(1M) for more [...]

Chapter 3 41 Con figur ation Setting Configuration V alues How Configuration V alues are Used The E205 0 LAN/GPIB Gateway uses the default c onfiguratio n values an d/or the confi guration values that you chan ged or set d epending o n certain situatio ns, such as when the p ower is cy cled on t he Gateway o r when the Config Preset button on the b[...]

42 Chapter 3 Config uration Setting Configuration V alues When t he Config Preset Button is Pressed The reces sed Config Preset button on the ba ck panel of the G ateway is u sed to rese t the LAN/ GPIB Gate way to i ts default c onfiguratio n values (preset at the factor y). The Config Preset button ha s two mode s of oper ation. n If you pr ess t[...]

Chapter 3 43 Con figur ation Configuration Me thods Configuration Metho ds This sec tion descr ibes confi guration me thods you can use to s et the configur ation va lues for the E2050 LA N/GPIB Gat eway , includ ing: n Con figur ation Meth ods Ove rview n Using T e lnet Con figuration Method (Win dows) n Using T e lnet Conf iguration Method (HP- U[...]

44 Chapter 3 Config uration Configuration Met hods BOOTP BOOTP is a bootstrap protocol tha t allows critic al confi guration va lues su ch as the IP address and s ubnet mas k to be set e asily . With the BOOTP configur ation met hod, you set the value s for the Ga teway in t he /etc/bootptab file. T his file i s then used by the boo tpd daemon runn[...]

Chapter 3 45 Con figur ation Configuration Me thods Using T elnet Conf iguration Method ( Windows) T o confi gure the LAN /GPIB Gate way on yo ur network u sing the T e lnet configur ation met hod from a W indows 95/98/2 000/Me/NT client syst em: 1 Power-on t he Gateway by pluggin g the AC po wer cord from the power mod ule into a power outlet (wal[...]

46 Chapter 3 Config uration Configuration Met hods When you are con nected to the G ateway , you will see gen eral informa tion about the T elnet u tility comm ands, as well as a listin g of the curren t configu ration setti ngs for this G ateway . For exam ple, if you have not chang ed any of the config uration settings previous ly , you will see [...]

Chapter 3 47 Con figur ation Configuration Me thods 10 At the T elnet prom pt ( > ), enter the configu ration valu es you wa nt to change or set. (Y ou only n eed to s pecify th e non-d efault valu es that you want.) The following i nformation wi ll help you set the val ues cor rectly . The foll owing table lis ts the config uration values you c[...]

48 Chapter 3 Config uration Configuration Met hods For ea ch configur ation va lue to change or set, u se the syntax: T elnet_command : value Enter . For exam ple, to set th e IP addr ess valu e of 156.140.222.201 for the Gatewa y , enter: ip: 156.140.222.201 Enter If you make a m istake, re-en ter the c orrect co nfiguration value yo u want. T o d[...]

Chapter 3 49 Con figur ation Configuration Me thods Y ou should get a response fro m the ping command that is simi lar to the following , where each line afte r the PING line is an example of a packet successful ly reaching the Gateway from the clien t system. If the ping response i s similar to the following, th e Gateway has been conf igured suc [...]

50 Chapter 3 Config uration Configuration Met hods Using T elnet Conf iguration Method (H P-UX) T o confi gure the LAN /GPIB Gate way on you r network u sing T elne t from an HP-UX c lient sys tem, do the f ollowing: 1 Power-on t he Gateway by pluggin g the AC po wer cord from the power mod ule into a power outlet (wall ou tlet). 2 After the G atew[...]

Chapter 3 51 Con figur ation Configuration Me thods For exam ple, if you have not chang ed any of the config uration set tings previo usly , you will see the default co nfiguration s ettings for the G ateway , as follows. In this disp lay , the hardware-addr: v alue is an exa mple. Y our hardware-addr: value wi ll be co rrect for your Gate way . 6 [...]

52 Chapter 3 Config uration Configuration Met hods The foll owing table lis ts the config uration values you can set using T eln et. The infor mation fo llowing th e table expl ains the sy ntax you should us e and provides r eminders to help you to change or set the configur ation va lues co rrectly . For ea ch configur ation va lue to cha nge or s[...]

Chapter 3 53 Con figur ation Configuration Me thods If you want to exit without sav ing any of the conf iguratio n values y ou have c hanged o r set, e nter eithe r exit Return or quit Return . Y ou can then r e-enter th e T elnet configur ation utilit y starting with S te p 5. Any time dur ing t he T elne t sessi on, yo u can en ter config Return [...]

54 Chapter 3 Config uration Configuration Met hods PING E2050.agilent.com: 64 byte packets 64 bytes from 128.10.0.3: icmp_seq=0. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=1. time=3. ms 64 bytes from 128.10.0.3: icmp_seq=2. time=2. ms . . . A resp onse simil ar to the f ollowing ind icates t he client was unable to contact the G ateway . There m[...]

Chapter 3 55 Con figur ation Configuration Me thods Using BOOTP Configu ration Method (HP-UX) T o confi gure a LAN/G PIB Gatewa y on your n etwork usin g BOOTP from an HP-UX cl ient syst em: 1 Make sure tha t the Gateway is powered-off. The AC po wer cord from the po wer module mus t be disconn ected from the power outlet (wall ou tlet). 2 Determin[...]

56 Chapter 3 Config uration Configuration Met hods This exa mple BO OTP entry c onfigur es a host name ( hn ), a hardwar e address ( ha ), and an IP addres s ( ip ) for the LAN/ GPIB Gateway . All other config uration val ues are “set ” to (wil l default to) the factor y defaults . For each entry you m ake to the file, inclu de a colo n (“ : [...]

Chapter 3 57 Con figur ation Configuration Me thods 4 T est that the Gatewa y has r eceived the BOOTP response a nd has configur ed itself by using the ping co mmand. This co mmand allo ws you to tes t genera l network c onnectivity between your client comput er system and the LAN/GPI B Gateway . At th e client syst em, type: ping hos tname (or) IP[...]

58 Chapter 3 Config uration Configuration Met hods Using BOO TP with TFTP Configuration Method (HP-UX) T o confi gure a LAN/G PIB Gateway on your n etwork usin g BOOTP wi th TFTP from an HP-UX client sy stem: 1 Make sure that the Gatewa y is powered O FF . The AC power cord from the po wer module mus t be disconn ected from the power outlet (wall o[...]

Chapter 3 59 Con figur ation Configuration Me thods This e xample BO OTP entry c onfigur es a host name ( hn ), a hardwar e address ( ha ), an IP ad dress ( ip ), an d the path to the TFTP c onfigura tion file ( T144 ). In this example, the path to the TFTP c onfigura tion file is relative , with the assump tion that th e default TFTP mode is b ein[...]

60 Chapter 3 Config uration Configuration Met hods 5 Create the appropri ate directory structure and TFTP configuration file for each LAN/GP IB Gateway , as noted i n the T144 configur ation valu e you set in the /etc/bootptab file. Be s ure you set permission s on these directories and on the TFTP configurat ion file to allow acc ess by the bootpd[...]

Chapter 3 61 Con figur ation Configuration Me thods An examp le TFTP fi le follows. Consult y our system do cumentation for any other steps required to complete the TFTP configuration fil e. # The E2050 gw1 Configuration File hostname: E2050 # Timeouts lan-timeout: 7200 io-timeout: 240 # IP allow list allow: 156.140.34.2 15.2.* # GPIB configuration[...]

62 Chapter 3 Config uration Configuration Met hods At the client syste m, type: ping ho stname (or) IP_ad dress Return For exam ple, usin g a Ga teway’s hostnam e: ping E2050.agilent.com Return Or , us ing a Gatewa y’s IP addres s: ping 156.140.4.249 Return Y ou should get a res ponse from the ping comm and that is similar to the f ollowing, wh[...]

63 4 Administration[...]

64 Chapter 4 Administration This cha pter gives guidelin es to admini ster the E2 050 LAN/G PIB Gateway on your network, us ing the T e lnet util ity provided with the LA N/GPIB Gateway . The T elnet utility pr ovides a c ommand li ne interfac e for accompl ishing adm inistrat ion tasks, in cluding T elnet c onfiguration of the Gateway , querying t[...]

Chapter 4 65 Admi nistr ati on Using the T elnet Utility Using the T elnet U tility This sec tion explai ns how to acc ess and ex it the T e lnet utili ty . It also summ arizes va rious T el net comm ands you can use t o adminis ter the E2050 LA N/GPIB Gate way . The se ction co ntents are: n Access ing the T elnet Utilit y n Exi ting th e T eln et[...]

66 Chapter 4 Adminis tration Using the T elnet Utility 3 If you do not know the IP address or h ostname of the Gateway: n After the Gateway has been p owered-on, press the Config Preset button on the b ack panel of the LAN/GPIB Gate way . This forces th e Gateway to temp orarily use th e 192.0.0.192 default IP address wi thout modi fying any o ther[...]

Chapter 4 67 Admi nistr ati on Using the T elnet Utility 5 If you ar e using a W indows 95/98/M e/2000/NT cl ient syste m, you may als o need to tu rn on Loc al Ec ho in t he T erminal Pr eferences dialog b ox so that the T e lnet util ity will di splay your typed i nput. T o do thi s: n From the m enu at the to p of the T e lnet windo w , sel ect [...]

68 Chapter 4 Adminis tration Using the T elnet Utility Exiting the T elnet Utili ty T o exit the T elne t utility , us e these T elnet commands . n If you want to exit without sav ing any change s (if any) yo u have made to the configur ation va lues, at t he T elnet prompt ( > ) type bye (or) exit (or) quit . n If you want to save the c hanges [...]

Chapter 4 69 Admi nistr ati on Using the T elnet Utility Comma nd Descriptio n allow: IP_address(es) Set the IP allow list configu ration value for the Gateway . bootp: ON/OFF T urn ON or O FF the use of BOOTP or BO OTP with T FTP configura tion o f the Gatew ay . bye Quit t he T elnet uti lity with out s aving confi gura tion chan ges. config Dis [...]

70 Chapter 4 Adminis tration Quer ying the Gatewa y Querying the Gateway This sec tion gives guidelines to query th e E2050 LA N/GPIB gatew ay , includi ng: n Queryi ng the Curr ent Configura tion n Queryi ng the Fir mware V ersion n Queryi ng the Conf iguratio n Method n Queryi ng Gatewa y/Client Connectio ns Querying the Current Configuration As [...]

Chapter 4 71 Admi nistr ati on Queryin g the Gatew ay Querying the C onfiguration Metho d If you do n ot know the configurat ion method curren tly used for th e Gateway , you can deter mine the method via the bootp: ON/OFF T elnet co nfiguration value. T o do this: 1 At the T e lnet prom pt (>), type config . Th is display s the curren t configu[...]

72 Chapter 4 Adminis tration Quer ying the Gatewa y The foll owing is an example status scr een of clien ts connecte d to an E20 50 LAN/GPIB G ateway . The mean ing of the various fi elds list ed on the T elnet status sc reen are: Server ID Client IP Addr Client ID Sess Operation Lock Device/Intf 0x2008f624 156.140.4.247 4139 117 5 66 WRITE DEV DEV[...]

Chapter 4 73 Admi nistr ati on Queryin g the Gatew ay All the s essions for a particul ar connect ion are l isted tog ether and only the first ses sion has th e Server ID , Client IP Addr , and Client ID specifi ed. For a g iven clien t, one ses sion at mos t will ha ve an operat ion pending o r in progr ess at a given time. The Client IP Addr and [...]

74 Chapter 4 Adminis tration Quer ying the Gatewa y Operatio n SICL Funct ion GETT1 igpibgett1delay HINT ihint LLO igpibllo LOCA L ilocal LOCK ilock ONINTR ionintr ONSRQ ionsrq OPEN iopen P ASSCTL igpibpassctl READ iread READSTB ireadstb REMOTE iremote RENCTL igpibrenctl SENDCMD igpibsendcmd SETINTR isetintr SETT1 igpibsett1delay TRIGGER itrigger, [...]

Chapter 4 75 Admi nistr ati on Configuring the Gateway Configuring th e Gateway This sec tion gives guideli nes to confi gure the E 2050 LAN/GP IB Gatewa y , includi ng: n Settin g Default Config uration Settings n Changing th e Configurati on Method n Usin g the Gat eway’ s syslog File n T ermina ting Clie nt Connecti ons Setting Default Conf ig[...]

76 Chapter 4 Adminis tration Configuring the Ga teway T o chang e the conf iguration m ethod used for the Gate way , you can modify the bootp: ON/OFF T elnet c onfiguratio n value or you can pr ess the Config Preset button. Once y ou have chan ged the co nfiguration method, fol low the procedu res in Chapter 3 t o configu re the Gatewa y via th e n[...]

Chapter 4 77 Admi nistr ati on Configuring the Gateway T o mo dify the con figuration m ethod by p ressing th e Config Preset button, press the Config Preset button on the back panel of th e LAN/GP IB Gateway at the sam e time as you power -on the Ga teway . This ch anges al l configur ation va lues back to the defaul t values , including s etting [...]

78 Chapter 4 Adminis tration Configuring the Ga teway n Becaus e of the limited me mory area on th e Gateway , only about 50 lines of syslog-display messages can be logg ed in t he Gateway . After the li mit has b een reached , any new mes sages can not be logged. F or more i nformation, see “Maintaini ng the syslog File”. n Message s sent to t[...]

Chapter 4 79 Admi nistr ati on Configuring the Gateway T ermi nating Cl ient Connec tions If after qu erying the status of the G ateway an d client co nnection s, you determin e that the Ga teway or a cli ent’s I/O operati on is “hung” or there is a deadlock situation between cl ients that ar e connected to the Gat eway , you can reb oot the [...]

80 Chapter 4 Adminis tration Configuring the Ga teway Notes:[...]

81 5 T roubleshoo ting[...]

82 Chapter 5 T roubleshooting This cha pter gives guidelines to troubles hoot problem s that may occur with the E2050 LAN/GPIB G ateway , in cluding: n Gatewa y Failur e Messag es n T roubles hooting Netw ork Confi guration n T roubles hooting G ateway Conf iguration n T roubleshoot ing Clien t Connecti ons NOTE This chap ter refe rences T e lnet u[...]

Chapter 5 83 T roubles hooting Gateway Fa ilure Messages Gateway Failure Messag es This section provides fa ilure messages and trou bleshooting explana tions fo r the E2050 LAN/GPIB G ateway , in cluding: n SICL Error Codes an d Messages n syslog File Mess ages SICL Error Codes and Messages The foll owing table lis ts some com mon SICL e rror code [...]

84 Chapter 5 T roubles hooting Gateway Fa ilure Messages syslog File Messages The syslog fil e error mess ages ca n be view ed via the T e lnet syslog- display comma nd or by lo oking in the syslog file spe cified v ia the syslo g server addr ess confi guration value. Any inv alid BOO TP values are detec ted when the file /etc/bootptab is read by t[...]

Chapter 5 85 T roubles hooting T roubleshooting Network Configuration T roubleshooting Network Configu ration This sec tion pro vides guid elines t o trouble shoot netwo rk configu ration problem s, including: n V erify ing Network Connections n T roubles hooting Netw ork Confi gurations V erifying Network Connections Before attem pting to c ommuni[...]

86 Chapter 5 T roubles hooting T roubleshooting Network Configur ation T roubleshooting Network Configu rations If some ne twork confi guration va lues for the E2050 L AN/GPIB G ateway ar e imprope rly confi gured, one or more clie nt systems may not b e able to m ake a connec tion to the Gateway . The p roblem m ay be: n Improp er configur ation v[...]

Chapter 5 87 T roubles hooting T roubleshooting Network Configuration BOOTP or BOOTP with TF TP Config uration T o cor rect networ k configurati on values wh en using the BOOTP o r the BOOTP with TFT P con figur ation meth od: 1 Fix the imprope r value in the /etc/bootptab file or t he specifie d TFTP c onfigura tion file . 2 Cycle th e power on th[...]

88 Chapter 5 T roubles hooting T roubleshooting Gateway Configuration T roubleshooting Gat eway Configurati on This sec tion gives guidelines to troubles hoot E2050 LA N/GPIB Ga teway configur ation pr oblems, inc luding n V erify ing Gateway Configur ation n Settin g Default Config uration n V erify ing the Co nfiguration Meth od n Changing th e C[...]

Chapter 5 89 T roubles hooting T roubleshooting Gateway Configura tion V erifying the Configuration Method If you hav e a problem configuri ng the LAN/ GPIB Gatewa y (such a s configur ing the IP ad dress), f irst verify the method of config uration for the Gateway . After veri fying the c onfiguration method, s ee the appl icable sect ion in thi s[...]

90 Chapter 5 T roubles hooting T roubleshooting Gateway Configuration 4 If the Gate way is powered on, confi gured, but y ou do not k now the IP addre ss: n Press t he Config Pre set button on th e back panel of the LAN/GPIB Gate way . This forces the G ateway to tem porarily use the 192.0.0.192 de fault IP ad dress with out modifyin g any other co[...]

Chapter 5 91 T roubles hooting T roubleshooting Gateway Configura tion Changing the Co nfiguration Method If you want to change the configur ation meth od used for the Gatewa y , you can take one of three fo llowing act ions. Howe ver , for Windows 9 5/98/Me/ 2000/NT c lient sys tems, yo u must us e the T el net config uration meth od. Neither t he[...]

92 Chapter 5 T roubles hooting T roubleshooting Gateway Configuration T roubleshooting T el net Configuration If you have trouble con figuring the LAN/GPIB Gateway usin g T elnet wi th the default IP address o f 192.0.0.192 : 1 V erify that the route c ommand wa s performe d properly . Us e netstat -r to display the network ro uting tables. 2 V er [...]

Chapter 5 93 T roubles hooting T roubleshooting Gateway Configura tion 4 V er ify the BO OTP ser ver is on the same loc al subne t as the Gateway . If no t, consult your Ne twork Adminis trator to verify t hat your ne twork confi guration supports usi ng a BOOTP server th at is not on the s ame sub net. 5 When the G ateway is powe red on, ver ify t[...]

94 Chapter 5 T roubles hooting T roubleshooting Client Connections T roubleshooting Client Connection s This se ction giv es guidelin es to troubles hoot clien t connections to the E2050 LAN/GPIB G ateway , incl uding: n Client Connec tion Problems n Client Run-time Er rors Client Connection Problems Even if the E2050 L AN/GPIB Gateway has been s u[...]

Chapter 5 95 T roubles hooting T roubleshooting Client Connections This indi cates the cli ent was unabl e to contact th e Gateway . The Gateway may be on a different su bnet than th e client (see your Network Adminis trator) or the Gateway may have incorrect netwo rk configur ation va lues. n For an HP-UX cli ent system, type: ping h ostname (or) [...]

96 Chapter 5 T roubles hooting T roubleshooting Client Connections n Y ou can also try rpcinfo -t IP_addre ss 395180 Return . This rpcinfo comm and gives th e response : program 395180 version 1 ready and waiting. If this is not working properly , see “Troubleshootin g Network Con figuration” . 3 The T el net comm and can be used to v erify if [...]

Chapter 5 97 T roubles hooting T roubleshooting Client Connections iopen fails or I/O o peration f ails: Out of resources The Gat eway was unable to open ano ther sess ion or perf orm the op eration becaus e it is ou t of resou rces. Us e the T elne t status command and look in the syslog file fo r any error message s to determ ine the c urrent Ga [...]

98 Chapter 5 T roubles hooting T roubleshooting Client Connections Gat eway ap pears to be hung There are several p ossible causes . For all of the follo wing, use o f client timeout s and/or Gat eway timeo uts (th e I/O tim eout and L AN timeo ut configu ration values) c an be us ed to ensu re that the Gatewa y will not “hang” in definitel y .[...]

99 A Specifications[...]

100 Specific ations Specifications This a ppendix pro vides spe cification s for the E2050 LAN/G PIB Gateway , includi ng: n Power Req uirements n Enviro nmental n GPIB Cha racteristics[...]

Specifications 101 Specif ications Power Requirement s Environment al GPIB Charact eristics The GPIB c onnection conforms to IE EE 488.1 - 1987 specific ations. Per this specifi cation, t he followi ng constra ints exist: E2050 AC/DC Adapter Input V olta ge 5 Vdc 100-240 V ac Input Current ~0.8 A T ypical 9.75 A Frequency Range dc 50/60 Hz Output C[...]

102 Specific ations Specifi cations Notes:[...]

103 Glossary[...]

104 Glos sary Glossary address A stri ng uniquel y identi fying a partic ular in terface or a device on that interfac e which is inte rpreted at the E 2050 LAN/G PIB Gateway to identify the in terface or device. BOOTP requests Broadc ast messag es sent a t power-on fr om the E2 050 LAN/G PIB Gateway to the BO OTP serve r's bootpd dae mon to ga[...]

Glossa ry 105 Glossar y gateway Hardware tha t permits a netwo rk connectio n between th e LAN that you r comput er understand s, and the instrument specifi c interface tha t your device understands. instrument A devic e that accep ts commands and perf orms a test or measu rement function. interface A connec tion and communic ation med ia between d[...]

106 Glossar y Glossary one inter face on th e controller or gateway , e ach interfa ce must hav e a unique s ymbolic na me. TFTP The T rivia l Fil e T ransf er Pr otoco l, whic h is an exte nsion t o BOOTP . VEE The Agile nt Visual Engin eering Env ironment, wh ich is sof tware use d for I/O appli cation pro gramming. VISA The Agile nt Virtual Inst[...]

Index 107 A AC/DC adapte r, 17 admin istration, 6 4 Agilent tel ephone number s, 6 Agilent web si te, 6 allow, 69 applica tion softwa re suppo rted, 18 using, 22 B BNC co nnector , 16 bootp com mand, 69 BOOTP ON/OFF c ommand, 3 6 BOOTP con figurati on configur ation va lues, 55 default v alues, 55 definiti on, 44 method (H P-UX), 55 troubles hootin[...]

108 Index G gateway c onfiguration , verifying, 88 gateway fai lure mess ages, 83 gateway/c lient connec tions, 7 1 glossary , 104 GPIB Ad dress, 37 GPIB conne ctor, 16 GPIB Interf ace Name, 37 GPIB Log ical Unit, 37 guide, using , 13 H hardware address , 36 description, 15 failure, 85 installing , 27 requiremen ts, 25 hardware-a ddr comman d, 69 h[...]

Index 109 S safety, 7 server/c lient mo del, 20 setting c onfigur ation values , 35 setting defau lt configur ation, 75, 88 SICL LAN error co des, 83 SICL LAN p rotocol, 21 software requireme nts, 26 software/firmw are architecture, 21 specifi cations , 100 status, 69 subne t mask, 3 9 subnet- mask, 69 super- user privi leges, 13 sysl og file descr[...]

110 Index T (continued) troubleshoo ting (cont’ d) gateway c onfiguration , 88 har dwar e fail ure, 85 network con figurati ons, 85–86 network c onfigurati ons BOOTP with TFTP, 87 BOOTP, 87 Telnet, 86 setting default con figurati on, 88 T elne t configura tion, 92 verifying config metho d, 89 verifying gateway c onfig, 88 verify ing network con[...]