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  5. System Overview

SmartTrunk Systems SmarTrunk II System Overview

Summary of SmarTrunk II

  • Page 1

    Smartrunk ii system overview revision 9 march 2004 benelec pty ltd unit 2 / 581-587 gardeners rd mascot nsw 2020 t : +61 2 93647000 f: +61 2 93647099 e:david@benelec.Com.Au.

  • Page 2

    System overview 2 about smartrunk systems, inc. Smartrunk systems, inc., was founded in 1979 as selectone corporation, a privately held california corporation, and quickly became a leading manufac- turer of tone signaling and voice encryption equipment for the mobile com- munications industry. In 19...

  • Page 3: Table Of Contents

    3 smartrunk systems, inc. Table of contents c section 1 • things you always wanted to know about trunking…5 introduction ....................................................................................................................... 5 what is trunking? ..........................................

  • Page 4

    4 system overview section 5 • smartrunk ii logic boards with omni™ features .....19 channel banks ...............................................................................................................19 multiple ptt groups .......................................................................

  • Page 5: About Trunking…

    5 smartrunk systems, inc. 1 section things you always wanted to know about trunking… introduction this section is directed to the system owner who is considering converting conventional 450 mhz repeaters to trunked operation. Perhaps you are an operator of shared community repeaters who would like t...

  • Page 6

    System overview 6 figure 1 - which kind of line would you prefer to stand in? A. B. Queues clerks single queue clerks the primary advantages of any trunked radio system can be summarized as follows: ¨ automatic selection of a clear channel: in a conventional radio system, the user may only have acce...

  • Page 7

    7 smartrunk systems, inc. Rules regarding vhf and uhf trunking in the united states the fcc has authorized the use of “centralized” trunked systems for vhf and uhf frequency bands where at least one frequency must have a protected service area (psa). This frequency is identified with a station class...

  • Page 8

    Centr centr centr centr centraliz aliz aliz aliz alized vs ed vs ed vs ed vs ed vs. Decentr . Decentr . Decentr . Decentr . Decentraliz aliz aliz aliz alized t ed t ed t ed t ed trrrrrunk unk unk unk unking sy ing sy ing sy ing sy ing systems stems stems stems stems unlike centralized trunking syste...

  • Page 9: Applications

    9 smartrunk systems, inc. Smartrunk iiis a decentralized two way radio trunking system that is widely used both for telephone interconnect and business dispatch applications at frequencies below 800 mhz. First introduced in 1994, smartrunk ii combines a proprietary digital signalling format with exi...

  • Page 10

    System requirements a smartrunk ii radio trunking system employs low cost radio communications equipment and smartrunk ii technology, which is installed at both the base station and the subscriber radios. The base station equipment required for each channel consists of a smartrunk iicontroller conne...

  • Page 11: Types Of Calls and

    11 smartrunk systems, inc. Types of calls and methods of operation using smartrunk ii for radio dispatch applications mobile to group call s equence of events : 1. Mobile subscriber presses the ptt (push to talk) button to initiate a group call to the subscriber’s own group. Alternatively, mobile su...

  • Page 12

    System overview 12 mobile to mobile private call s equence of events : 1. Mobile subscriber enters desired subscriber number followed by routing code 3 and * on the radio keypad. 2. Mobile radio searches for an idle channel and signals an available controller. 3. Base station controller acknowledges...

  • Page 13: Applications

    13 smartrunk systems, inc. Using smartrunk ii for telephone interconnect applications mobile to telephone (landline) call s equence of events : 1. Mobile subscriber dials desired telephone number followed by routing code 1 and * on the radio keypad. 2. Mobile radio searches for an idle channel and s...

  • Page 14

    Telephone (landline) to mobile call s equence of events : 1. Telephone user dials the phone number of the landline connected to a controller. 2. Controller answers the call with two beeps. Telephone user dials desired mobile subscriber number (1-5 digits). 3. Controller signals desired subscriber ra...

  • Page 15

    Section 4 15 smartrunk systems, inc. Smartrunk ii controller the heart of the smartrunk ii sys- tem is the st-853 smartrunk ii digital trunking controller which performs all signalling and trunking functions, including subscriber validation and call record accounting. The st-853 features a communica...

  • Page 16

    System overview 16 expanded capacity an st-853 system can support up to 4,096 individual subscribers or groups. In addition, most features are programmable on a per subscriber basis, such as the mobile activity timer, telephone line access, courtesy beep and expanded toll restriction options. Each c...

  • Page 17

    17 smartrunk systems, inc. Greater ease of programming the programming software for the st-853 is a menu driven, pc based application which offers much more power and flexibility than the internal software used to program the previous controller. ¨ user-friendly programming software supports off-lin...

  • Page 18

    Options and accessories 502-3501 users guide and programming software - complete documentation and pc-dos programming software required for installing, aligning and programming the st-853 controller. One p/n 502-3501 is required for each system. St-910 ctcss decoder option - a miniature ctcss decode...

  • Page 19

    Kenwood ‘g’ series radios offer new omni features st-865kw4 the other key component of the smartrunk ii system is a miniature logic board which installs inside the mobile or portable radio equip- ment. These logic boards are custom designed for each radio and control all the signaling and trunking f...

  • Page 20

    System overview 20 icom ic-f3/f4, ic-f1020/f2020 and ic-f30/f40 offer new omni features s t - 8 6 5 i c in order to access a smartrunk ii site, the subscriber must be programmed as a valid user by the system operator of the site. Channel banks may also be used to access conventional channels. When a...

  • Page 21

    21 smartrunk systems, inc. Multiple receive groups the multiple receive groups feature enables system users to receive individual calls and/or calls placed to several different groups. “the block decode function”: in logic boards without the omni feature set, a subscriber can receive only individual...

  • Page 22

    System overview 22 turbo speedial™ the turbo speedial feature offers one-touch speed dial. Subscribers may program up to four telephone or subscriber numbers which may be dialed by pressing a single button on the keypad, either a, b, c or d. Note: exact features, including the number of channel bank...

  • Page 23: Beyond The Simple

    23 smartrunk systems, inc. Section 6 beyond the simple “controller only” system introduction the st-510 is a computerized modular switch designed exclusively for use with the smartrunk ii™ trunking system. The st-510 allows system opera- tors to offer advanced features and services. In addition to p...

  • Page 24

    System overview 24 the st-510 also adds valuable features to the basic smartrunk ii protocol: • multi site roaming • no routing digit required • sharing of pstn lines • larger call record database • more customer profiles available • more subscriber id codes • local & remote system management • remo...

  • Page 25

    25 smartrunk systems, inc. • st-852/853 controller gateway • voice prompt/voice mail dsp gateway • pstn/pbx gateway • roaming bus gateway • inter-site link gateway • dispatch console gateway • interoperability radio gateway system operation (brief example) when a call request arrives at a smartrunk ...

  • Page 26

    System overview 26 system requirements operators considering a st-510 network switch should first be thoroughly familiar with the smartrunk ii signaling protocol and basic operation, as de- scribed in the operating manual for the st-853 trunking controller. The st- 510 system operates with the smart...

  • Page 27

    27 smartrunk systems, inc. • multiple st-510 switches: larger networks may use multiple st-510 switches, requiring only one low speed data bus (from 4800 baud) to link the switches. As with the single switch scenario, this service allows customers to locate any subscriber in the entire network simpl...

  • Page 28

    System overview 28 call forwarding if a mobile subscriber is out of range or away from his radio, he may choose to have incoming calls forwarded to another radio, a pabx extension, or to any pstn number. When an incoming call arrives for the subscriber, the st-510 automatically intercepts the call a...

  • Page 29

    29 smartrunk systems, inc. Subscriber toll restriction the st-510 maintains a full profile in memory for each user radio. One of the fields of this profile is used for toll restriction, which can be implemented in one of two ways: • list the restricted numbers • list the allowed numbers in the first...

  • Page 30

    System overview 30 a service provider may allow each subscriber to periodically check certain usage data so that there are no surprises at the end of the billing period. By dialing 311*, the system will dictate, by voice response, all the usage for any radio, including details such as air time used,...

  • Page 31

    31 smartrunk systems, inc. Dispatch consoles the dispatch console is a common pc connected directly to an st-510 or one or more on a network. With this software, the dispatcher can make high- speed calls, monitor calls, receive calls (radio or landline), do dynamic re- grouping, call up pre-programm...

  • Page 32

    System overview 32 for some security applications is it very important to keep a log of all calls into the system. If this option is desired, an additional package is available which includes extra dsp ports and software. Any call into the network will be re- corded and a database will be created wi...

  • Page 33

    33 smartrunk systems, inc. Remote system access all the services and features of the st-510 network switch can also be ac- cessed from the pstn or pabx. So for example, if a users radio has a dead battery, he or she may place an incoming call from the pstn or any pabx extension and program the call ...

  • Page 34

    System overview 34 sharing pstn resources a stand-alone smartrunk ii system requires that pstn/pabx lines be con- nected directly to specific controllers. This means that only those controllers with lines connected can be used for pstn/pabx calls. When using the st-510 switch, pstn/pabx lines are co...

  • Page 35

    35 smartrunk systems, inc. Local & remote management the st-510 includes a windows ® based management software package which can be run locally on a pc at any site, or remotely. In addition to adding new users, this software can be used to maintain and report high-level technical information such as...

  • Page 36: Network Interconnection

    System overview 36 network interconnection networking over e1/t1 link the figure below shows a standard method to link multiple st-510’s using a shared or fractional e1/t1 link. At the st-510, there is only one data connec- tion for the roaming bus and in this example, four simultaneous audio ports ...

  • Page 37: Linking to Remote Areas

    37 smartrunk systems, inc. Linking to remote areas the st-100n multiplexer is used to link any remote st-853 trunking controller/repeater combination and the st-510 switch. One st-100n is required per remote channel. The st-100n converts data and audio to and from the st-853, to a signal, which can ...

  • Page 38: Optional Features

    System overview 38 optional features many of the features and services of the st-510 network switch require optional hardware, software, and/or operating firmware. In most cases, these features are customized to meet the exact requirements of the specific application. The features below are options ...

  • Page 39: Frequently Asked Questions

    39 smartrunk systems, inc. Section 7 a 39 frequently asked questions q. What is smartrunk ii? The smartrunk ii digital trunking system is a reasonably priced, wireless communications system which supports group dispatch, individual selective calling and telephone interconnect applications. It is wid...

  • Page 40

    System overview 40 q. What type of signalling format does the smartrunk system use? Smartrunk ii is a proprietary bpsk digital signalling format which is not compatible with any other trunking or signalling protocols. Over the air id’s are encripted to discourage piracy. As such, it is highly immune...

  • Page 41

    41 smartrunk systems, inc. Q. What mobile and portable radios are available for smartrunk operation? Smartrunk supports over 50 makes and models of portable and mobile radios from ten different manufacturers. See appendix a for a complete listing of radios supported by smartrunk ii. Q. What equipmen...

  • Page 42

    System overview 42 q. Can the smartrunk system operate in a co-channel environment? Yes. In fact, this is one of the key advantages of the smartrunk ii protocol. Due to the de-centralized system control concept, the system utilizes a distributed control method which is available on any channel in th...

  • Page 43: Appendices

    43 smartrunk systems, inc. Appendix a........... Smartrunk ii logic board compatibility chart appendix b .......... Smartrunk system application notes (sans) appendix c .......... Smartrunk vs. Ltr appendix d .......... Simplified customer numbering plan appendix e .......... St-510 wide area networ...

  • Page 44

    System overview 44 the smartrunk ii digital trunking system is compatible with a wide variety of two-way radios made by the industry’s leading manufacturers. The following table lists the model numbers of each of the radios compatible with smartrunk ii. Also described are key features which apply to...

  • Page 45

    45 smartrunk systems, inc. Portable radios compatible fcc frequency radio no.Of feature conven. Install smartrunk radio model no. Band duplex chan. Set oper. Ease model no. (mhz) alinco dj-195 no 136-174 half 32 basic/ 2 banks flexible 1 ej-38d 4 400-470 alinco dj-196 no 136-174 half 40 omni/2 banks...

  • Page 46

    Notes: 1 fcc for ic-f3gt/f3gs/f4gt/f4gs is available only for narrow band. 2 2 banks of 16 channels each or 5 banks of 8 channels each. 3 160 or 256 channels requires option board (ex-1764). 4 oem logic boards available only through radio manufacturers. Specifications and descriptions are based on t...

  • Page 47

    Mobile radios compatible fcc frequency radio no.Of feature conven. Install smartrunk radio model no. Band duplex chan. Set oper. Ease model no. (mhz) alinco dr-130 no 136-174 half 16 basic limited 3 st-868-02 alinco dr-135 no 136-174 half 100 omni/5 4 banks flexible 1 ej-39d 1 400-470 alinco dr-430 ...

  • Page 48

    Appendix a • smartrunk ii logic board collection mobile radios (continued) compatible fcc frequency radio no.Of feature conven. Install smartrunk radio model no. Band duplex chan. Set oper. Ease model no. (mhz) kenwood tk-762g yes 136-162 half 128 enhanced flexible 1 st-865kw4 148-174 omni 8 banks w...

  • Page 49

    System overview 49 specifications and descriptions are based on the information available at the time of publication and are subject to change without notice. Radio specifications should be verified with the radio dealer or manufacturer at the time of purchase. The st-869 radio/telephone interface a...

  • Page 50

    System overview 50 as part of our on going effort to respond to the individual needs of our customers, smartrunk systems has developed system application notes (san’s) to support specialized systemconfigurations. San’s may be obtained from the smartrunk sales department, your smartrunk master distri...

  • Page 51

    51 smartrunk systems, inc. Traffic analysis for smartrunk ii systems san #1006 presents charts, theory and analysis to help smartrunk ii system operators analyze the trade-offs between the number of users, the number of channels and the percent of time a user will receive a busy signal. Examples are...

  • Page 52

    ® ltr is a registered trademark of transcrypt international, inc . Because of its system security, flexibility, and low cost, the smartrunk ii digital trunking system has become the world leader for trunked radio applications at vhf and uhf frequencies. But in the americas, customers often ask how s...

  • Page 53

    Operating in a crowded vhf and uhf environment in an ltr system, the subscriber radio must receive instructions from its home channel before it can initiate a call. As a result, any home channels must be assigned to clear channels. Otherwise, whenever a co-channel user is on the air, all radios assi...

  • Page 54

    System overview 54 selective calling one of the key features of the smartrunk ii system is the ability to make private calls to another mobile user. Unlike many ltr systems, all smartrunk ii users are identified with an individual subscriber number as well as a group subscriber number. When using a ...

  • Page 55

    55 smartrunk systems, inc. Smartrunk ii has two advantages in this environment. First, smartrunk ii is more tolerant of conventional and co-channel users than ltr, as discussed above. Secondly, smartrunk ii is an “overlay” system, which means that existing repeaters and most popular conventional rad...

  • Page 56

    System overview 56 smartrunk ii vs. Ltr comparison table the following table summarizes some of the major similarities and differences between smartrunk ii and ltr. Feature/specification smartrunk ii ltr type of voice modulation analog analog subscriber equipment conventional two way radios speciali...

  • Page 57

    57 smartrunk systems, inc..