Black Box Modbus Hardened Serial Server manuale d’uso

B L A C K B O X ® C o n n e c t M o d b u s n e tw o r k s ( R S- 2 3 2, R S- 42 2 , o r R S- 48 5) t o E t h e r n e t n e t w o r ks , a l l o w i n g t h e M o d b u s n e tw o r k t o be c o m e a n o d e on the net work. A c c e s s t h e M od b u s n e tw o r k o v e r a L AN / W A N u s i n g d i r ec t I P m o d e con ne c tions. Modbus Ha[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 2 72 4 - 7 46 -5 50 0 | blac kbox.c om T rademark s Us ed i n th is Manual W e ‘ r e h er e t o h e l p! If y ou h a v e an y qu es ti o n s a bo ut y ou r a p p l i ca ti o n or o ur p rod ucts, co ntact Bl ack Bo x T ech S upport at 7 2 4 -74 6 - 5 5 0 0 or go t o blackbox.c om and c lic k on “T a lk[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 3 FC C a nd IC RFI Stat ements Feder al Co mmun icatio ns Comm issio n and Industry C anad a Rad io F requenc y Int er fere nce S tatements This e quipmen t generates, uses, and can radiat e radio -frequency energy , and if not installed and used properly , that is, in [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 72 4 - 7 46 -5 50 0 | blac kbox.c om NOM Statemen t Instrucc iones de Seguri dad ( Normas Ofici ales Mexican as E lectrical Sa fet y Stat ement) 1 . T o das las instrucciones d e seguridad y op eración de berán ser leídas antes de que el aparato eléc trico sea operado. 2 . L as instrucciones d e segu[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 5 T able of Co ntent s T able of C ont ents 1 . Specific ations ......................................................................................................................................................................... 6 2 . Over view ....................[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 6 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 1: Specif icat ions 1 . S pecifications Gen eral Spe cifica tions Approv als FC C Par t 1 5, Class A , CE, N EMA TS2, UL ® Class 1 , Divisio n 2, Groups A , B, C, and D Co mp a t ib l e Oper at ing Syste ms Win do ws ® XP (32 / 64 bit) , 2003 S er ver (32/ [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 7 Cha pter 1: Specif icat ions Ne t work Sp ecific ation s Character Count 0 to 65535 Connec tion Mod es Ser ver , C lient Memor y Serial : 8 K B p er por t; Net work mem or y: 4 K B Firmwar e Up grade Via s erial, Ethernet, or auto Web search IP Por t Addre s se s 530 [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 8 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 1: Specif icat ions D i men s i on a l Di ag ra ms Figure 1 - 1 . Dimensional diagram of a LES 43 1 A M odbus Hardened Serial S er ver .[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 9 Chapte r 2 : Ove r v iew 2. Over vie w 2. 1 Intr oduc tion The 1-Por t Modbus Hardened Serial Ser ver connect s Mo dbus net work s ( R S - 232 , R S - 422 , or RS - 485) to Et hernet network s, allowing the Modbus net work to b ecome a node on the net work. The serial[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 0 72 4 - 7 46 -5 50 0 | blac kbox.c om Chapte r 2 : Ove r v iew 2.4 Hardw are Descri pti on 1 - Por t Modbus Hardened Ser ia l S er ver ( LES43 1 A ) Figures 2 - 1 and 2- 2 show the front, back, and top panels of the LES 43 1 A. T able 2- 2 describes it s components. 4 5 1 2 3 7 6 Figure 2 - 1 . L ES43 1[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 1 Chapte r 2 : Ove r v iew T able 2- 2. LES 43 1 A component s. Number in Figure 2- 1 or 2-2 Component Descr ipt ion 1 (1) R J - 45 con nec to r Connec t s a st anda rd Ether net n et wor k d rop usi ng a s trai ght-thr ough R J - 45 male Eth ern et cab le. 2 (1) 5 - [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 2 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 3. Install ation a nd In it ia l Setup NOTE: In this se ction, devices to be connec ted to the Modbus Hardened Se rial Ser ver’ s se rial connec tions are simply referre d to as the “M odbus network. ” 3. 1 Con[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 3 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p If you selec t RS -23 2 mo de when you config ure the Mo dbus Hardened Serial Ser ver , you must connec t the Modbus serial net work to the M odbus Hardened S erial Ser ver via a serial cable. T he LES 43 1 A is a DT[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 4 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 3.4. 1 Ins tal li ng Mo dbus Har dened Seri al Ser ver Confi gurat ion Sof t wa re S tep 1: Download the Modbus Con figur ation Manager Sof t ware from ftp : / / f tp.blackbo x.c om. Double - click on the executable [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om P age 1 5 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p c. C lic k “Next . ” The Use r Inf orm ati on Scr een wi ll be di sp lay ed on yo ur co mpu te r . En ter yo ur na me an d or gan iza tio n (op ti ona l) and se lect if th e softwa re wi ll be ac ce ssib le to yo[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 6 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3- 7 . Ready to Install Application screen. f . Cl ick “Nex t. ” The s oft ware will be gin installing. Figure 3 - 8. Soft ware I nstalling s creen.[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 7 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p g. Af ter the installation is complete , an information screen will be display ed contain ing contac t inf ormation and release notes. C li ck “Ne x t. ” Figur e 3-9. Information screen. h. The Ins ta l la tio n [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 1 8 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p T o open Mo dbus Hardened Serial Ser ver C onfigur ation Manager: 1 . Fr om the Des ktop , cl ick S tart—> Pr ogr am s—> Mo dbu s Ha rde ne d Se ri al Se rver Ma n age r . An al te rna te me thod is to dou [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om P age 1 9 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 2 . The Mo dbus Hardened Serial Ser ver C onfigur ation Manager Device Discovery window appear s. Figure 3- 1 3. M odbus Hardened Serial S er ver Conf igura tion Manager Discover y window . 3. If you do not know the [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 20 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 5. T he defau lt password is no pass word. Cl ick the “Login ” button. The “ General ” Set tings s creen w ill be displayed on your computer . 6. See the Mo dbus Hardened S erial Ser ver Manager Set tings Scre[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om P age 2 1 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 7 . See the G eneral Set tings screen in Figure 3 - 16. Figure 3 - 16. G eneral Set tings screen. a. Thi s scr ee n en abl es yo u t o a ss ig n a uni que na me to the ga tew ay . Thi s all ows yo u to e as ily ide n[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 22 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3- 1 7 . Ch angin g the password. c. T y pe your new pas sword in the “T y pe the new pass word box. ” Ve rify the pas sword by ty ping it again in the b ox provided. T o save the new pas sword, click the ?[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 23 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3- 1 8. N et work S ett tings s creen ( DHC P sele cted ) . NOTE: T o see the rest of the inf ormat ion for Class D listed b elow tha t is cut off in Figure 3- 1 8, scroll down in the scree n. b . The def au lt[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 2 4 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Fi gur e 3- 1 9. Netwo rk Sett ing s scr ee n (DHC P no t se lect ed). d. M ore information about assigning an I P address without using a DHCP Ser v er is contained in the se c tion “ Con figuri ng the Modbus Hard[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Page 2 5 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3-2 0. Modbus T CP S et tings screen. c. TC P Clien t S ettings: 1 . “C onnec t to Por t” identifies the T C P p or t to b e used by the M odbus Hardened Serial Ser v er in TC P client m ode. Val id value r[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 2 6 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3-2 1 . TC P Connection Filter “ Allow Specific IP address es to Connect. ” b. Y ou can selec t “ and allow a sp ecific range of IP address es to connec t. ” T his filter is limited to 4 IP ad dress ra[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 2 7 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 1 0. See the P ORT x Serial Set tings screen in Figure 3 - 23. a. T o access this s creen, click the “Nex t” but ton or click the Por t X Serial link o n the l eft side of the screen. X = T he Serial Por t number[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 28 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3-2 4. M odbus Por t s creen. c. “ A ttac hed ” —Th is is sel ectabl e be twee n Mast er an d Sla ves . If “ Ma st er ” is sel ect ed , the Modb us Ha rden ed Ser ial Serve r wil l run in TC P s er ve[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 2 9 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 1 2. Se e the Por t x ID Remap screen. a. T o access this s creen, click the “Nex t” but ton or click the “Port x ID Remap ” link on the lef t side of the screen. b. This screen allows you to set M odbus Slav[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 30 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3-2 6. M odbus ID Routing Screen. c. T he first box in line is the st arting I D of a range you want to route. Va lid value range is from 1 to 247 . d. T he second box in line is the las t ID of that range. Va [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pag e 3 1 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3-2 7 . M odbus Priorit y screen. c. T hese set tings allow the gatewa y to move high priorit y mes sages to the front of the serial me ssage buf fer . The priorit y can b e based on the originati ng I P addre[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 3 2 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p Figure 3-2 8. Open Web Browser . 2 . In the browser’s address bar , t ype the IP a ddress of the M odbus Hardened Serial Ser v er . Figure 3-29 . T ype I P Addres s. NO TE: Y ou r Modbu s Har dene d Se ri al Serve [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Page 3 3 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p The Web int erface L ogin pag e appears. Figure 3-30. M odbus Hardened Serial S er ver Lo gin Screen. 3 . T he scr een s f or co nfi gur ing yo ur ga t ew ay u si ng a W eb br owser ar e the same as tho se use d to c [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 34 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p b. Cl ick on “Internet Protocol ( TC P / IP )” and click “Proper ties. ” C hange the parameters to the following: IP Address = 1 69.254. 1 02 . 1 Subnet Ma sk = 25 5.255.0. 0 Defau lt Gatewa y = 16 9.254. 1 02[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pag e 3 5 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p i . Re-co n fi gur e the Modb us Ha r de ne d Se ri al Se rver ’ s ne two rk sett i ng s to so meth in g wi th in th e ra ng e o f y ou r PC ’ s ne t wo rk settings. For example : PC N et work Settings IP Address[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 36 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 3 : Ins tal lat ion and Ini ti al Setu p T o configure the M odb us Hard ene d Serial Ser v er , o pen the Modbus Hardened Serial Ser ver Manager s oft ware and s et up the Modbus Hardened Serial Ser ver’ s paramet ers as required. 1 . U n de r C on ne cti[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Page 3 7 Cha pter 3 : Ins tal lat ion and Ini ti al Setu p 3. T he remai ning screens are identical to thos e shown in configuring your gateway using a net work connec tion. T o ex it Cons ole Mo de , press and hold the “Mode ” s witch for t wo seconds. The LEDs go back t[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 38 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 4 : Upgr adin g the Modbus Har dened Seri al Ser ver Fi rmw ar e 4. Upgra di ng the Modb us Hardened Ser ial Server Fi rmw are Occasionally , updated firmwar e may become available for your Mo dbus Hardened S erial Ser ver . The firmware can b e upgraded usi[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om P age 3 9 Cha pter 4 : Upgr adin g the Modbus Har dened Seri al Ser ver Fi rmw ar e T o download the latest firmwar e files from a file: 1 . C lick the “Browse ” but ton to open an “Open File” dialog b ox. 2 . Browse to the drive and folder containing the firmware fil[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 0 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 5 : D iagnost ics 5. Diagnostic s C licki ng the Diagnostic s icon opens the “Diag nostic s ” dialog box and enables you to check the operation of connected M odbus Ha rden ed Ser ial Serve rs on th e loca l c om pu ter . The C omputer Information box d[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om P age 4 1 Cha pter 5 : D iagnost ics Figure 5 -2 . T esting a Modbus Hardened Serial Ser ver connection.[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 42 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 6 : Applica ti on E xamp les 6. Applica ti on Examp les Mod bu s Har dene d Se ria l Se r ver s ca n be use d t o in t eg r at e Modb us ne t wo rks i n a wide va ri ety of se t ti ngs . Beca us e ea ch se tti ng has it s own requiremen ts, user s may not un[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 3 Cha pter 6 : Applica ti on E xamp les F i gu re 6- 2 . S e r ia l P ort 1 s et up . 3. Con figure Serial Por t 1 . I n this cas e, it is R S -2 3 2 , 1 9.2 kb ps, 8 data bit s, 1 stop bit, and even parit y . S ave the set tings. 4. Acc ess Por t 1 Mo dbus by clickin[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 4 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 6 : Applica ti on E xamp les Figure 6 -3. Por t 1 Modbus. 5. Con figure the Por t 1 Modbus Set tings. I n this case, “ Attached” should be slaves, “Modbus” should b e RTU. The other settings depend on your application. 6. Acc ess Mo dbus I D Remappi[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pag e 4 5 Cha pter 6 : Applica ti on E xamp les Figure 6 - 4. Por t x Mo dbus Slave I D remapping. 7 . Access M odbus ID Routing. Con figure as necess ar y . In this example, Slave I D 200 is mapped to serial por t 1 . Figure 6 -5. Modbus I D routing .[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 6 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 6 : Applica ti on E xamp les 8. Access the M odbus Priorit y screen and configure as necessar y . Figure 6 - 6. Mo dbus priorit y .[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 7 Cha pter 6 : Applica ti on E xamp les 6. 2 Seri al a nd Et hernet M asters , Seri al an d Et hernet S la ves Y our Mo dbus Hardened Serial Ser ver can also integr ate multiple master devices onto serial and Ethe rnet Net work s. Diagram Format Rule Size: 0.013 Mod b[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 4 8 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 6 : Applica ti on E xamp les 2 . Confi gure the Mo dbus slave I D routing. In this c ase Modbus slaves 1 through 5 and 205 are on Serial Por t 1 . Modbus slaves 1 50 and 1 5 1 through 160 have I P assignments. Figure 6 -9. Modbus Slave I D routin g.[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 49 Cha pter 6 : Applica ti on E xamp les 6.3 Seria l Masters , IP Sla ves Serial masters c an be used to cont rol I P slaves. Diagram Format Rule Size: 0.013 Mod bus H ardened Serial Ser ver ( L E S 4 31A ) IP sl av e I D 15 0 IP slave I D 151 –1 6 0 A SCII mas ter IP[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 50 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 6 : Applica ti on E xamp les 2 . Acc ess the Modbus screen for each p or t and configure as appropriate . In this case, Por t 1 has an A SCII mas ter at tached. Figure 6 - 1 2 . Por t 1 Modbus.[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 5 1 Cha pter 6 : Applica ti on E xamp les 3. Set up the Slave I D Routing to associate I P addresses w ith the appropriate Slave I D. 6.4 Identica l Har d- Coded Sla ves In this ex ample , two slave d evices that are hard- code d with the s ame ID are required. This is [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 52 72 4 - 7 46 -5 50 0 | blac kbox.c om Cha pter 7 : Modbus Help 7 . Mo dbus Hel p 7 . 1 M odbus ASCII / RTU B asics The Modb us pr ot ocol eme rged in the mi d- 1 97 0s as a n ea rly pr ot oc ol fo r l i nk ing te rmi n al s wit h Mod ico n PL C s us in g a m ast er/sl av e (so me ti mes ca lle d a m ast [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pag e 5 3 Appendix A : Defa ult Modbus Harden ed Seri al Ser ver Set ti ngs Appendix A. Defau lt Modbus Hardened Seri al Ser ver Settings T abl e A- 1 . D efau lt ser ver s ettings. Set tin g De faul t Value Ser ver Name User assigned Pass word Passw or d f ield is blan k f r[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 5 4 72 4 - 7 46 -5 50 0 | blac kbox.c om Appendix B : C onnector Pi nouts Appendix B. C onnector Pi nouts B. 1 DB9 M Connector Figure B - 1 . D B9 M connec tor . T able B - 1 . DB9 M connector pinout. DB9 M Pin Direc tio n RS -2 32 1 Input D CD 2 Input R XD 3 Output TXD 4 Output DT R 5 — GND 6 Input DSR [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om P age 5 5 Appendix B : C onnector Pi nouts NO TES: 1 . In RS-42 2 mo de , T X lin es ar e out pu ts and R X li nes are in puts. Co nnect th e s eri al s erver T XB(+) li ne t o th e R XB (+) li ne o f t he ser i al dev ice , and th e se ri al se r ver T X A( -) to th e R X A [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 56 72 4 - 7 46 -5 50 0 | blac kbox.c om Appendix C : G lossary Appendix C. Glossar y ADU —A pplication Data Unit. ASC II — A meric an Standard Code for Information Inter change. Baud Ra te — Number of bit s per se cond. CRC — C yclical Redundanc y C hecking. Dat a Bi t s — Number of bits p er by [...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Pag e 5 7 NO TES[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om Pa ge 58 72 4 - 7 46 -5 50 0 | blac kbox.c om NO TES[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om 72 4 - 7 46 -5 50 0 | blac kbox.c om Page 5 9 NO TES[...]

72 4 - 7 46 -5 50 0 | blac kbox.c om About Bl ack B ox Black Box provides an ex tens ive range of net working and infr astruc ture product s. Y ou’ ll find ever y thing from cabinets and racks a n d p o we r a nd su r ge pr ot ect io n p ro du cts t o m ed ia co n ve rte rs an d E t h e rn e t sw it c h e s al l s up po rte d b y f r e e , l iv e[...]