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Cabletron Systems SmartSwitch SBU128 User Manual

Manual is about: Backup Unit

Summary of SmartSwitch SBU128

  • Page 1

    Sbu128 user manual fivemere ltd. Cabletron systems ltd. Fivemere house network house 161 high street newbury business park aldershot london road, newbury hampshire, england berkshire, england gu11 1tt rg13 2pz telephone: [44] (0)1635 580000 fax: [44] (0)1635 44578.

  • Page 2

    Sbu128 user manual 80-10200000-01 ii publication — 80-10200000-01 publication notice: this manual has been compiled and checked for accuracy. However the information contained in this manual does not constitute a warranty of performance. Cabletron systems ltd. Reserves the right to revise this publi...

  • Page 3

    Sbu128 user manual 80-10200000-01 iii history sheet 80-10200000-01 v1.00 software 31 july 1998.

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    Sbu128 user manual 80-10200000-01 iv table of contents 1 this is the sbu128 1–1 1.1 i ntroduction 1–1 1.2 f eatures 1–3 1.3 p roduct o verview 1–4 1.3.1 n etwork s ecurity 1–4 1.3.2 t elephone n umber s torage 1–4 1.3.3 c ircuit f ailure 1–4 1.3.4 s poofing 1–5 1.3.5 t alkwire 1–5 1.3.6 p olling 1–5...

  • Page 5

    Table of contents 80-10200000-01 v 3.2.1 c ommand p ort 3–6 3.2.2 user and link p orts 3–6 3.2.2.1 user and link p in a ssignments 3–6 3.2.3 isdn 3–6 3.2.3.1 b asic r ate s (e urope ) i nterface 3–7 3.3 m ains i nput and w iring 3–8 3.4 s upply r atings 3–9 4 configuration commands 4–1 4.1 i ntroduc...

  • Page 6

    Sbu128 user manual 80-10200000-01 vi 5.4 u sing t alkwire for dlc t esting 5–3 5.5 local m ode 5–3 5.6 remote m ode 5–4 5.7 u sing t alkwire d uring a b ackup 5–4 6 polled management 6–1 6.1 i ntroduction 6–1 6.2 c onfiguring the sbu128 p olling a ddress 6–1 6.3 c onfiguring the p olled c ommand m o...

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    This is the sbu128 80-10200000-01 1–1 1 this is the sbu128 1.1 introduction the smartswitch sbu128 backup unit provides an effective, easy to implement, automatic backup over the isdn (integrated services digital network) for an x.21 or v.35 pto leased digital circuit (dlc). The isdn basic rate inte...

  • Page 8

    Sbu128 user manual 80-10200000-01 1–2 isdn (backup circuit) user equipment user equipment digital leased circuit n t u n t u (main circuit) sbu128 sbu128 figure 1.1 sbu128 sits in the data path during normal operating conditions, user data passes over the dlc, with the sbu128 remaining transparent t...

  • Page 9

    This is the sbu128 80-10200000-01 1–3 1.2 features the main features include: • interference free operation of the dlc, with the sbu128 installed. • support for synchronous data rates of 600, 1k2, 2k4, 4k8, 9k6, 19k2, 38k4, 48k, 56k, 64k, 128kbit/s. • support for asynchronous data rates of 300, 600,...

  • Page 10

    Sbu128 user manual 80-10200000-01 1–4 1.3 product overview this user manual is arranged to take you through the basics of the hardware, then to software set-up and on to the more specialised user definable software facilities of your sbu128. Sbu128 software configuration is generally not a complex o...

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    This is the sbu128 80-10200000-01 1–5 1.3.4 spoofing there are two occurrences with automatic backup technology which need to be provided for. The first is where a terminal or cpu stops transmitting idle data frames. In this instance the sbu128 would normally backup, which is undesirable. Enabling t...

  • Page 12

    Sbu128 user manual 80-10200000-01 1–6 1.3.7 alarms various alarm conditions are available that alert the user to the sbu128 alarm status. You can also define which of these events you want to be output as an alert. The alert message is defined as being an alarm that is passed across a network of sev...

  • Page 13

    The hardware 80-10200000-01 2–1 2 the hardware 2.1 introduction all sbu128 configuration options are software controlled, and settings can easily be altered after the unit is installed in the system. However the physical interface characteristics of the user and link ports are defined at manufacture...

  • Page 14

    Sbu128 user manual 80-10200000-01 2–2 area perigosa somente pessoal técnico treinado. Não abra. Voltagens perigosas no interior. Farligt omräde endast för utbildad personal. Öppna ej. Farlig spanning inuti. Farligt omräde. Kun adgang for teknisk uddannet personale. Farlig spænding indeni. Luk ikke o...

  • Page 15

    The hardware 80-10200000-01 2–3 2.3 interface pin assignments 2.3.1 user and link pin assignments of the user and link connectors will vary with the interface module type. The user ports are configured as physical dces and the link ports are configured as physical dtes. Their pin assignments are: v3...

  • Page 16

    Sbu128 user manual 80-10200000-01 2–4 see section 2.4.1 for details of pin 1 connection to protective ground, factory default setting assumes no links fitted. X21 operation pin circuit signal 1 shld protective ground 2 t(a) transmit 3 c(a) control 4 r(a) receive 5 i(a) indication 6 s(a) signal eleme...

  • Page 17

    The hardware 80-10200000-01 2–5 2.4 x21 and v35 interface links jp 1 connects signal ground (sg) to protective ground (pg) for the sbu128. All links are found on the interface pcb. 2.4.1 x21 user/link pin 1 definition pin 1 on the 15-way x21 user and link connectors can be connected to protective gr...

  • Page 18

    Sbu128 user manual 80-10200000-01 2–6 2.4.5 isdn the following links when fitted to the isdn pcb, apply a 100 ohm termination to the isdn transmit and receive pairs as follows:- shorting link pair jp1 receive jp2 transmit these links may need to be inserted when a longer s-bus line length is used. 2...

  • Page 19

    The hardware 80-10200000-01 2–7 all non volatile options are set during manufacture and must not be changed, except by a competent engineer. Network variant 0 is for most european networks, most other countries with euro-isdn are likely to require network variant 0. Network variant 2 is the same as ...

  • Page 20

    Front and rear panel descriptions 80-10200000-01 3–1 3 front and rear panel descriptions the sbu128 is a standalone unit designed to sit on a desktop, or a shelf in a standard communications cabinet. All physical connections are made by connectors on the rear panel, see figure 3.1 and figure 3.2 bel...

  • Page 21

    Sbu128 user manual 80-10200000-01 3–2 isdn bri command (x.21) link user user (v.35) link 10 base-t isdn bri command 10 base-t figure 3.2 sbu128 rear panels 3.1 front panel description figure 3.1 shows the front panel of your sbu128, which has the following:- • signal leds for each of the user interf...

  • Page 22

    Front and rear panel descriptions 80-10200000-01 3–3 3.1.1 user indicators the indicators for user 1 reflect the signal activity on the x21 or v35 user connectors, depending which interface pcb is fitted. Txd/t lights to indicate the state of transmit data as being on (space). Rxd/r lights to indica...

  • Page 23

    Sbu128 user manual 80-10200000-01 3–4 3.1.2 backup button, factory default a non-latching switch is provided for manual backup and restoral. When pressed the sbu128 will attempt a backup call using the stored isdn number(s). If pressed when a backup call is in progress, the sbu128 will restore the u...

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    Front and rear panel descriptions 80-10200000-01 3–5 3.1.4 isdn indicators these indicate the state of channels 1 and 2 on the isdn and are:- indicator channel state layer 1 alight when the isdn at layer 1 (physical layer) is active. When not alight when dialling indicates lack of connection to the ...

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    Sbu128 user manual 80-10200000-01 3–6 3.2 rear panel description 3.2.1 command port a 25 pin female d-type v24/v28 interface connector provides connection to your local terminal, pc, or modem for software configuration control. The port is configured as a physical dce operating at a fixed rate (9600...

  • Page 26

    Front and rear panel descriptions 80-10200000-01 3–7 cable entry point pin 8 latch, at rear pin 1 figure 3.3 rj45 connector showing pin connections the pin assignment on the rj45 is with pin 1 on the left, with the plug pins facing you and the cable entry pointing downwards. 3.2.3.1 basic rate s (eu...

  • Page 27

    Sbu128 user manual 80-10200000-01 3–8 3.3 mains input and wiring on the rear of the unit there is one iec mains socket for connection to an independent mains supply. The primary earth connection is made via this socket. Warning - this appliance must be earthed. Vorsicht - nur eine vorschriftsmäßig g...

  • Page 28

    Front and rear panel descriptions 80-10200000-01 3–9 1. Only connect apparatus complying with the requirements of selv in accordance with clause 2-3 of en 60 950 to the ports on the rear panel of your unit marked “user, link, 10 base-t and command”. An die anschluesse “user, link, 10baset, und comma...

  • Page 29

    Sbu128 user manual 80-10200000-01 3–10 the maximum power consumption of the power supply unit is 30 watts. The current requirement for each of the voltage ranges is:- a) 0.5a max. B) 0.25a max..

  • Page 30

    Configuration commands 80-10200000-01 4–1 4 configuration commands 4.1 introduction there are three ways you can gain access to, and alter the software configuration options on your sbu128; • by direct vt100 terminal access (local connection to the command port of your sbu128) • by talkwire link (fr...

  • Page 31

    Sbu128 user manual 80-10200000-01 4–2 smartswitch backup products. See section 11 for diagrams of the menu structure. The following commands have a special meaning and are executed with single keystrokes:- 1 selectsport 1. M selects the management port. R selects the remote alarm port. S displays th...

  • Page 32

    Configuration commands 80-10200000-01 4–3 4.4 operation menu a) dial dials the first number in the number store. B) dial nnn prompts you for a number and then dials it. C) dial nn prompts you for an address in the number store and then dials the number contained in it. D) list all numbers lists all ...

  • Page 33

    Sbu128 user manual 80-10200000-01 4–4 i) remote loopback a) on data received by the sbu128 from the isdn is looped back to the isdn. A talkwire management call needs to be in progress to control this loop. B) off (f) terminates the loop. J) display alert log displays the last 100 alerts generated. 4...

  • Page 34

    Configuration commands 80-10200000-01 4–5 4.5.1 system menu a) system menu a) change password allows the user to change the sbu128 password. B) poll number this command is only available for standalone units. C) set time enable the user to set thesbu128 real time clock. D) set date enables the user ...

  • Page 35

    Sbu128 user manual 80-10200000-01 4–6 c) console a) normal (f) used when connected directed to the management console. B) polled used when the command port is connected to a sbugps. D) flow control a) rts/cts rts/cts flow control is effective. B) xon/xoff dc1/dc3 inband flow control is effective. C)...

  • Page 36

    Configuration commands 80-10200000-01 4–7 4.5.3 alarm port menu *) speed *) echo no selection is possible. C) mode a) remote a) low priority (f) if all ‘b’ channels are busy, the alarm call is made when a ‘b’ channel is free. B) high priority alarm call is made before the ‘b’ channel is used for bac...

  • Page 37

    Sbu128 user manual 80-10200000-01 4–8 4.5.4 alarms menu a) alert password a) enabled (f) sends an alert indicating when whenever three successive incorrect attempts have been made to log in to the menu system:- alert unauthorised access attempt b) disabled this alert is disabled. B) alert channel st...

  • Page 38

    Configuration commands 80-10200000-01 4–9 c) alert dial a) enabled (f) sends an alert indicating you are dialling a number. The alert message is: alert dialling nn..N or alert dialling nn..N/ mm..M where nn..N is the dial number and mm..M is the sub-address. B) disabled this alert is disabled. D) al...

  • Page 39

    Sbu128 user manual 80-10200000-01 4–10 g) alert backup a) enabled (f) sends backup or restore alerts. B) disabled this alert is disabled. H) alert lapd activity a) enabled (f) sends an alert indicating whether isdn lapd (link layer) is active or inactive. It must be active for the unit to be able to...

  • Page 40

    Configuration commands 80-10200000-01 4–11 j) alert b-channel usage a) enabled (f) sends an alert indicating how many ‘b’ channels are in use. The alert message is: alert b-channel usage x,y where x and y are numerals in the range 0 - 2 and :- x is the number of channels in use and y is the number o...

  • Page 41

    Sbu128 user manual 80-10200000-01 4–12 4.5.5 user port menu edit store allows the user to edit the configuration stores of the ports. Selection of a port leads you to a further selection of menus, see section 4.5.6 . Many sub-menus are not available (because they are not needed) for the remote manag...

  • Page 42

    Configuration commands 80-10200000-01 4–13 4.5.6.1 interface menu interface signals dsr, cts, rts and lal are only available with the v.35 interface. A) command mode selects the type of call control for the user port. A) dtr originate dtr call control as originating calls when c/dtr goes on. B) dtr ...

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    Sbu128 user manual 80-10200000-01 4–14 b) parity selections for the parity checking of each character. A) off (f) b) even c) odd d) mark e) space c) stop bits the number of stop bits in each character. A) 1 (f) b) 2 c) speed selects desired speed for the user port. A) 300 asynchronous operation only...

  • Page 44

    Configuration commands 80-10200000-01 4–15 d) user rate notification a) disabled (f) user rate information not sent. B) enabled enables the transmission of the user rate speed information in the isdn call setup. E) c/dtr selects what the dtr or c input should be. A) normal (f) input comes from the d...

  • Page 45

    Sbu128 user manual 80-10200000-01 4–16 h) cts selects the required cts output. A) normal (f) output comes from the sbu128. B) forced on output is forced on from the sbu128. C) forced off output is forced off from the sbu128. D) follows dcd output follows the state of the dcd output. I) rts selects t...

  • Page 46

    Configuration commands 80-10200000-01 4–17 4.5.6.2 call control menu a) answer determines how the sbu128 responds to an incoming call. A) auto (f) answers an incoming call automatically. B) clid answers the call only if the originating number matches a number in the clid store. Otherwise the call is...

  • Page 47

    Sbu128 user manual 80-10200000-01 4–18 b) talkwire sets talkwire and the user port connection method. A) t/w connect (f) talkwire enabled, user ports are connected to the isdn automatically upon a successful talkwire session, and following expiry of the talkwire and connect timers. Connection is con...

  • Page 48

    Configuration commands 80-10200000-01 4–19 4.5.6.3 leased circuit failures menu determines which criteria are used for determining dlc failure. A) data loss a) enabled monitors dlc received data for activity. B) disabled (f) not monitored. C) data loss timer time over which loss of data needs to occ...

  • Page 49

    Sbu128 user manual 80-10200000-01 4–20 4.5.6.4 backup menu a) backup delay timer time during which dlc loss must be continuously detected before automatic backup is initiated. B) leased circuit a) enabled enables automatic backup. B) disabled (f) disables automatic backup. C) c/dtr a) enabled c/dtr ...

  • Page 50

    Configuration commands 80-10200000-01 4–21 4.5.6.5 restore menu a) restore delay timer time during which dlc must be continuously detected as being available for use before automatic restoral is initiated. B) leased circuit a) disabled automatic restoral is disabled. B) talkwire (f) talkwire must be...

  • Page 51

    Sbu128 user manual 80-10200000-01 4–22 4.5.6.6 time windows menu a) mode a) disabled (f) time windows ineffective. B) backup effective in backup mode only. C) backup and restore effective for both backup and restoral. B) display windows c) set window this sub-menu selects the day on which you set up...

  • Page 52

    Configuration commands 80-10200000-01 4–23 default values are shown below (the same for all days):- slot time slot 1 start time 00:00 end time 24:00 slots 2, 3, & 4 start time 00:00 end time 00:00 these defaults ensure that the default window operation occurs the same as for auto backup operation, u...

  • Page 53

    Sbu128 user manual 80-10200000-01 4–24 4.5.6.8 copy store menu b) copy store allows the user to copy any of the configuration stores from one to another. A) user port current store for the user port held in non-volatile memory. *) remote alarm port menu unavailable. *) remote management port menu un...

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    Configuration commands 80-10200000-01 4–25 4.5.6.9 reset store to defaults menu c) reset store to defaults a) user port *) remote alarm port *) remote management port d) store 1 e) store 2 f) display interface stores g) display backup stores d) display interface stores e) display backup stores 4.6 n...

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    Sbu128 user manual 80-10200000-01 4–26 d) clid a) store clid number stores a clid number in a specified location (0-99) including sub- address (the latter for the call back feature only), the same format as for the dial number store. B) delete clid number deletes a clid number in a specified locatio...

  • Page 56

    Configuration commands 80-10200000-01 4–27 4.7 cyclic dialling store a) attempts per number enter attempts: (1-999, default 1) this is the number of call attempts at each number before moving to the next number in the dial store. B) delay after attempt enter delay between attempts: (3-999, default 3...

  • Page 57

    Sbu128 user manual 80-10200000-01 4–28 4.8 line configuration this is the number the sbu128’s isdn line, which is used mainly for 128kbit/s calls. A number must be entered for both isdn ‘b’ channels. If the line is msn, then choose 2 different numbers from the range of numbers that the line supports...

  • Page 58

    Configuration commands 80-10200000-01 4–29 a) reserved b) s-bus power detection a) detection enabled (f) line power from the network is detected; calls are not possible without successfully detecting line power. B) detection disabled presence of line power is ignored. C) log storage a) volatile (f) ...

  • Page 59

    Talkwire operation 80-10200000-01 5–1 5 talkwire operation 5.1 introduction talkwire is the name given to the communication protocol which enables remote control and configuration of a remote sbu128 or other cabletron smartswitch backup product from the command terminal of your local sbu128. You can...

  • Page 60

    Sbu128 user manual 80-10200000-01 5–2 3. A talkwire call (over the isdn) can only be answered by a remote sbu128 if the configuration\user port\call control\answer menu of the remote unit is set to auto. This is the default setting. Alternatively, if the answer parameter is set to clid, the call wil...

  • Page 61

    Talkwire operation 80-10200000-01 5–3 1: dialling xxxxxxx 1: ringing 1: online 1: talkwire active (v2+) during this dialling sequence, the terminal operator of the remote sbu128 will be notified of the incoming call. Note that the calling line isdn number will only be presented if the network is pro...

  • Page 62

    Sbu128 user manual 80-10200000-01 5–4 5.6 remote mode remote is the talkwire command which is used to gain access to the remote sbu128, with which you have an active talkwire link. After dialling from the operation menu, then select the remote menu from the operation\talkwire menu. You are then acce...

  • Page 63

    Talkwire operation 80-10200000-01 5–5 timer time-out to expire and then initiate the switch without talkwire control. With configuration\call control\talkwire menu set to t/w and auto connect, the units will try talkwire first. If talkwire succeeds within the talkwire timer period, then user port co...

  • Page 64

    Polled management 80-10200000-01 6–1 6 polled management 6.1 introduction polling provides you with the ability to access the command ports of a number of sbu128s or other smartswitch backup products, from a single command console. Up to 7 sbu128s can be connected to the command console via a cablet...

  • Page 65

    Sbu128 user manual 80-10200000-01 6–2 6.3 configuring the polled command mode having configured the sbu128 to have a unique polling address, the command mode of the unit must be altered from its default state (normal) to reflect the new mode of operation. This is done by setting the configuration\co...

  • Page 66

    Sbu128 specification 80-10200000-01 7–1 7 sbu128 specification interfaces one x21 or v35 user interface. One x21 or v35 link interface. One v24 command port, operating at 9k6bit/s, 8-n-1. One isdn rj45 connector for connection to isdn basic rate. One lan rj45 interface for connection to ethernet. Di...

  • Page 67

    Cable specifications 80-10200000-01 8–1 8 cable specifications the following cable specifications are those recommended for use with the sbu128. These can be made according to the specifications attached or alternatively they are available from your equipment supplier. Please see the sbu systems man...

  • Page 68

    Sbu128 user manual 80-10200000-01 8–2 8.1 x.21 user and link cables the cable required for connection to both the user and link ports with the x.21 interface, should be a straight pin to pin cable with 15 way ‘d’ connectors: female d-type male d-type 1 2 9 3 10 4 11 5 12 6 13 7 14 8 1 2 9 3 10 4 11 ...

  • Page 69

    Cable specifications 80-10200000-01 8–3 8.2 v.35 user cable the cable required for connection to the user port with the v.35 interface, should be a straight pin to pin cable with 34 way mrac connectors: female 34 way mrac male 34 way mrac a b p s r t c d e h f y aa v x a b p s r t c d e h f y aa v x...

  • Page 70

    Sbu128 user manual 80-10200000-01 8–4 8.4 command port cable this cable is used for connection of the terminal/pc to the sbu128 command port, and also in polled management mode for connection of the terminal/pc to the sbugps. Female 25 way ‘d’ male 25 way ‘d’ 1 2 3 4 5 7 8 6 20 1 2 3 4 5 7 8 6 20 ca...

  • Page 71

    European approvals information 80-10200000-01 9–1 9 european approvals information the b.A.B.T. Pan european approval numbers are as follows: sbu128: aa608194 the sbu128 is approved for connection to dlc services provided by british telecom plc, or any similar telecommunications operator. Due to the...

  • Page 72

    Glossary of terms 80-10200000-01 10–1 10 glossary of terms here are some of the most used abbreviations in this manual with their descriptions:- bri basic rate interface sbuqhb quad high speed backup module sbuqhs quad high speed module sbuqlb quad low speed backup module sbuqls quad low speed modul...

  • Page 73

    Command maps 80-10200000-01 11–1 11 command maps the diagrams in the section show the menu structure in graphical form for ease of understanding. There is a configuration and an operation menu block diagram. The configuration diagrams show the configuration menu structure. Although there are several...

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    Sbu128 user manual 80-10200000-01 11–2 11.1 configuration menu.

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    Command maps 80-10200000-01 11–3.

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    Sbu128 user manual 80-10200000-01 11–4 11.2 operation menu.