Panasonic DBS 576 Technical Manual
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Panasonic DBS 576 Technical Manual

Panasonic DBS 576 Technical Manual

Section 200 general description
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Panasonic
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Technical Manual
Section 200

General Description

DBS 576 - Version 5.1
Issued April 2002

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Summary of Contents for Panasonic DBS 576

  • Page 1: General Description

    Panasonic ® Technical Manual Section 200 General Description DBS 576 - Version 5.1 Issued April 2002...
  • Page 2 However, due to ongoing product improvements and revisions, Panasonic cannot guarantee the accuracy of printed material after the date of publication, nor can it accept responsibility for errors or omissions. Panasonic will update and revise this document as needed.

  • Page 3: Preface - Requirements

    FCC registration numbers when attaching their equipment to the DBS 576. The DBS 576 can be configured as either a KEY or Hybrid telephone system. The way you register your system depends on how you use the system. First, determine how you will be operating the system, and then refer to the table below for FCC registration numbers.

  • Page 4: Direct Inward Dialing (Did) Requirements

    Operator Consumers Act of 1990. • If you experience trouble with the DBS 576, please contact your Panasonic DBS authorized service provider for repair/ warranty information. The telephone company may ask you to disconnect this equipment from the network until the problem has been corrected.

  • Page 5: Fcc Warning

    Authors and Publishers (ASCAP), or other similar organization, if radio or TV broadcasts are transmitted through the music-on-hold connection on this DBS 576 product. Panasonic Information & Communications Company/ Business Telephones Systems Division, hereby disclaims any liability arising out of failure to obtain such a license.

  • Page 6: Table Of Contents

    CHAPTER 1 - SYSTEM OVERVIEW ......11 Introducing the Next-Generation Phone System from Panasonic ......11 System Technology .
  • Page 7 DBS 576 to DBS Expansion Cable Kit - CBLDBS (VB-44452) .......
  • Page 8 Optional Terminal Devices ............34 Voice Recognition Unit Adapter (VB-44101) .
  • Page 9 Panavoice -- Panasonic’s Digital Voice Mail System........
  • Page 10 Voice Path from Digital Keyphones to the DBS 576 ....... .

  • Page 11: Chapter 1 - System Overview

    As a result, we’ve become a major world-class manufacturer of electronic telecommunications products. Panasonic is already one of the largest suppliers of business telephone systems in the U.S. With our popular line of Digital Business System (DBS) telephone switches for small- to medium-size businesses, we’ve developed a reputation for providing cost-effective digital technology, dependable...
  • Page 12 (without having to chuck the whole thing and start from scratch) into the new DBS 576. All of your existing telephones can be used with it. Even some of the cabinets and circuit cards from the old DBS can still be used.
  • Page 13 End-users can control their own phone calls using the computer. Networking services. The DBS 576 offers several ways to set up networking -- tying multiple DBS 576 systems together through the public switching network. E&M Tie Lines let you connect directly to another DBS 576 system using a leased voice line.

  • Page 14: System Technology

    Plus models are based on Microsoft's Windows NT Operating System, and come in 4-, 8-, 12-, 16- or 24-port models for the DBS 576. A 4-port software upgrade kit, and an 8-port hardware upgrade kit (daughterboard) are also available to upgrade some base models.

  • Page 15: Diagnostic Maintenance

    Programming from the RS232 port. A PC computer or laptop can be connected to the DBS 576 phone system, via a DB9-pin RS232 port on the SCC card inside the cabinet. Then, from the computer, you can program the phone system with our proprietary PC-based software, DBS 576 Manager.

  • Page 16: Supporting Documentation

    Agents and Supervisors. Section 700: Feature Operation This is a general operating reference guide for the DBS 576. It describes system and telephone features, and is designed for use by both the dealer and the end-user. Section 720: SLT Phone Quick-Reference This is a quick-reference guide for Analog devices such as the SLT phone.
  • Page 17 Panasonic ® The products you need. The services you deserve. From the name you trust. Chapter 1 - System Overview...

  • Page 18: Chapter 2 - System Hardware

    All Panasonic proprietary stations are explained later in this chapter. System Hardware Connections Shown on the next page is an illustration of DBS 576 trunk and extension line connections, as well as some of the more popular peripheral connections. Chapter 2 - System Hardware...
  • Page 19 System Connections (trunks, extensions, peripheral equipment) Chapter 2 - System Hardware...

  • Page 20: Cabinets

    Cabinets Two types of cabinets are used in the DBS 576: the Base cabinet the Expansion cabinet Each cabinet provides 96 universal ports. Systems can be configured with one to six cabinets in a "building-block" fashion. The bottom cabinet in a column is the Base cabinet. The middle and top cabinets in a column must be Expansion cabinets.

  • Page 21: Expansion Cabinet (Vb-44021)

    The Base Cabinet Expansion Cabinet (VB-44021) Each added Expansion cabinet expands the system capability by an additional 96 ports. One or two Expansion cabinets can be installed on top of a Base cabinet. Up to four Expansion cabinets can be installed in a fully equipped, 6-cabinet system.

  • Page 22: Control Unit Processor Cards

    Control Unit Processor Cards Control Processor Card (96-port) - CPC-96 (VB-44410) The CPC-96 supports a single cabinet (96 ports) and utilizes a 16-bit Central Processor Unit (CPU). Included are the time switch functions (4 highway X 4 highway), 4 DTMF receivers, 8 pairs of conference circuits (3 Member), service tones, DTMF generators, an input terminal for external Music-On-Hold source (RCA jack), connecting terminals for network synchronous package, I/F connector for an external PC card, and a built-in emergency modem (300 bps).

  • Page 23: Time Switch Card - Tsw-288 (Vb-444202)

    This card supports the interconnection between DBS 576 cabinets in a multiple-cabinet system. This card establishes the bus connections (PCM highway and terminal control) of the Base cabinet and additional DBS 576 cabinets. It also controls the connection to the time switch unit (TSW-288/TSW- 576) in the first Base cabinet.

  • Page 24: Trunk/Tie Line Cards

    This card can also be set to function on the QSIG networking protocol, used to tie DBS 576/HD systems together across ISDN lines. The PRI card can be set to support either 8, 16 or 23/24 channels. When the card is set for 16...

  • Page 25: Did Trunk Card - Didtr/8 (Vb-44520)

    Extension Cards Digital Extension Card - DEC/8 (VB-44610) This card provides 8 digital circuits. Each circuit supports the Panasonic Digital Key Telephone, Digital Single Line Telephone, DSS/72, and EM/24. Supply voltage for the telephones is supplied by the digital circuits.

  • Page 26: Isdn Primary Rate Interface Card (T/S-Point) - Pri/23 (Vb-44540)

    MCK Extender Kit - (VB-44670 - VB-44674) The MCK Extender Kit is a multi-user device that can used to connect a DBS 576 system to remote extension telephones across IP network lines. An MCK Extender Kit Gateway unit attaches to a DEC/8, DEC/16, or DEC/24 card.

  • Page 27: Caller Id Unit - Cid (Vb-44513)

    Caller ID Unit - CID (VB-44513) This card supports Caller ID on loop start trunks. This unit installs directly on top of the Loop Start Trunk Card (VB-44510), and supports all 8 of that Card’s circuits for Caller ID. DTMF Multi-Frequency Receiver Card - MFR/8 (VB-44110) The MFR/8 card accepts dialed DTMF tones and determines the dialed digits.

  • Page 28: Built-In Voice Storage Card - Vssc (Vb-44170)

    RS232C port. However, a PC and printer cannot be simultaneously connected to the RS232C (the RS232C cable must be used exclusively for one connection). Only one Built-In ACD can be installed in a cabinet. A maximum of two Built-In ACDs can be installed in a system.

  • Page 29: Voice Processing Card (8 Circuits) - Vpu/8 (Vb-44150)

    Station Equipment Overview The full line of Panasonic DBS phone systems offer a wide variety of critically acclaimed telephones. All models except for the DSLT are available in two colors: pearl gray and black. (The DSLT comes in pearl gray only.) As the user interface, the station instrument is a crucial element of the communications system.

  • Page 30: Model Options

    Model Options Panasonic offers a wide variety of options for telephones so that you can select the one that is just right for you. All phones are digital, and all except for the DSLT have a microphone and speaker for Hands-Free Answerback and Off-Hook Monitoring (the ability to conduct calls on-speaker without lifting the handset).

  • Page 31: Model Descriptions

    Model Descriptions Digital Single Line Telephone (DSLT) Gray only (VB-41200) Provides single-line service on a digital telephone. Buttons include hold, on/off, DIGITAL BUSINESS SYSTEM auto, redial, flash and conference. Large NAME NAME message-waiting light. Slide controls for volume adjustment. Does not support hands-free answerback on intercom.

  • Page 32: 22-Key Small-Display Phone With Voice Response

    22-Key Small-Display Phone with Voice Response Gray (VB-44224G) Black (VB-44224B) Provides 12 flexible feature/line keys (dual colored LED) and 10 personal speed dial keys, with an integrated hands-free speakerphone and a 2-line liquid crystal display (LCD). 4 programmable softkeys are included with the display to provide access to advanced system features.

  • Page 33: 34-Key Standard Phone

    34-Key Standard Phone Gray (VB-44230G) Black (VB-44230B) MODE 03:14 Fri DEC 05 Provides 24 flexible feature/line keys (dual colored 164 Davidson C LED) and 10 personal speed dial keys. Supports PROG hands-free answerback on intercom, offhook voice announce, and headsets. Requires one digital port. CONF Wall-mountable Includes user tray and elevation...

  • Page 34: Optional Terminal Devices

    PC. It is comprised of a PC card installed inside the computer; application software; and various connections to the computer (e.g., handset, headset, etc.). The PC Phone then plugs into a DBS 576 extension port, and becomes a sophisticated “on-screen” phone for the end-user. For more information, see Chapter 5 - Special Applications.

  • Page 35: Telephone Key Layout

    Telephone Key Layout The 22-Key Small-Display Phone: key layout Small-Display Phone Features Feature Description Message Waiting Indicator Indicates that you have a message. Display Displays information about the phone’s status, menus, and dialing directories. MODE Key Used to change display modes from Default Mode to Speed Dial Mode or Extension Directory Mode.
  • Page 36 Feature Description PROG Key Used to program Flexible Function (FF) and one-touch keys, to adjust ringer volume, and to send a flash signal. Depending on the setup of your system, may also be used to transfer calls. CONF Key Used to establish conference calls and to check FF key and one- touch features.
  • Page 37 The 22-Key Large-Display Phone: key layout Large-Display Phone Features Feature Description Message Waiting Indicator Indicates that you have a message. Display Displays information about the phone’s status, menus, and dialing directories. Soft Keys Used to select menus, directories, speed dial numbers, and to access call-handling features.
  • Page 38 Feature Description MENU Key Used to return to the default Main Menu screen which contains the following items: • Personal Dial • System Dial • Extension • Function System • Function Ext PREV Key Used to return to the previous screen. NEXT Key Used to advance to the next screen.

  • Page 39: Chapter 3 - System Features

    AUTO DAY/NIGHT MODE Description: The DBS 576 system provides three different modes of operation. We call them Day 1, Day 2 and Night mode. Each of these modes can have a different Attendant as well as different ringing position assignments for extensions. The system can be programmed to automatically switch in and out of any one of these modes at a preset time each day.

  • Page 40: Automatic Route Selection (Ars)

    Applications: • Lines that need to be switched over to an answering machine or voicemail system after-hours • Lines that require toll restrictions after-hours so unauthorized personnel cannot dial long distance • Different mode for lunchtime operation AUTOMATIC ROUTE SELECTION (ARS) This feature enables the system to select the most appropriate route for an outgoing call (i.e., the least expensive one).

  • Page 41: Class Of Service (Cos) Restriction

    (NOTE: Optional equipment must be installed in the DBS 576 cabinet to support more than 4 parties in a conference.) During a 3-party conference, a digital intercom phone participant can establish a private conversation with one of the other parties, then rejoin both to the conference.

  • Page 42: Cti (Computer Telephony Integration)

    For desktop computer-driven applications on a station-to-station basis, the Panasonic DBS 576 supports Microsoft’s Windows-based Telephone Application Programming Interface (TAPI). With Panasonic’s new LAN TAPI 2.0, you can now make TAPI services available to all PC users on your Local Area Network (LAN). The DBS 576 also supports powerful computer/phone integrations for the Attendant position (via our PC Attendant Console) as well as end-user phones (via our PC Phone).

  • Page 43: Disa (Direct Inward System Access)

    FLEXIBLE DIAL PLAN Description: The DBS 576’s dial plan is flexible. This means that the system comes with a default set of feature codes, which can be changed. (For example, the default Call Forward-All Calls feature code is 721. But you can change it to 7, or 2#, or ***, or anything else between 1 and 4 digits long.)

  • Page 44: Howler" Tone

    Benefits: • Assures coverage for outside lines, increasing customer satisfaction. • Allows for customization of the system in order to meet a wide variety of applications. Applications: • Any organization that is separated from main answering position • Departments that continue operations after receptionist switches system into Night mode can continue to make and receive calls “HOWLER”...

  • Page 45: Multiple Direct Inward Dial (Did) Assignment

    RECALL TIMERS Description: The DBS 576 is equipped with various system-wide and station-specific recall timers that help direct unanswered (maybe forgotten) calls to someone who can answer them: Start Recall from Hold or Park - how long a call will remain on hold before recalling (ringing at) the extension, SLT, or Attendant that put it on hold or park hold.

  • Page 46: Slide Ringing

    SLIDE RINGING Description: This is a type of delayed ringing for CO line FF-keys. You can program a CO line to ring incoming calls on certain phones first, then (if they remain unanswered) have them start ringing on other phones that have an FF-key appearance for that line. You can enable/disable this feature on individual extensions and individual trunks.
  • Page 47 Condition Code: INCOMING CALLS: OUTGOING CALLS: Incoming Call Call Forward Outside DID Incoming Call Hold Outgoing Call Hold Incoming Call LCR Outgoing Call Network Incoming Call Outgoing (non-LCR) Call DISA Incoming Call Transfer Outgoing Call Transfer Incoming Call Closed Numbering Outgoing Call Abandoned Incoming Call Call Start Time (Month/Day, Hour:Minute:Second) Call Duration Time (Hours:Minutes:Seconds) (only displayed if Condition Code is I, D, N, S, or A)

  • Page 48: System Speed Dialing (Ssd)

    SSD to dial it automatically. Individual phones can be programmed to display (or not display) the actual phone number being outpulsed for the SSD. The DBS 576 can be programmed so that SSDs will override any toll restrictions that would normally apply. Benefits: •...

  • Page 49: Walking Trs

    TRS can restrict the use of SSDs for outdialing, based on TRS Class assignments. Either all SSDs or a range of them can be restricted. TRS can also restrict the dialing of and #, again based on TRS Class assignments. The same phone can have different TRS restrictions during Day and Night modes.
  • Page 50 System Feature Notes Background Music (BGM) / Music-on-Hold a different music source for each (MOH) Separation Battery Backup can support the phone system for up to 30 minutes at a time Behind PBX/Centrex Compatibility BLF Ringing FF-keys can be programmed to represent other extensions Building Block Configuration up to 6 cabinets per system Built-In 2-Way Voice Mail...
  • Page 51 Page Zones up to 5 external/10 internal page zones per system; UNA calls over paging system (all or per-zone) PC Based Programming DBS 576 Manager (proprietary) Port/Channel Close (“Station Lockout”) trunk/extension ports can be disabled for use Power Fail Transfer Up to 4 SLT phones can automatically receive dial tone from a trunk line in the event of a power failure.
  • Page 52 System Feature Notes UNA (Universal Night Answer) incoming calls ringing over the paging system Virtual Ports for multiple ringing, floating park, etc. Voice Mail Integration built-in and 3rd-party analog/digital Walking TRS codes for overriding TRS on a phone Chapter 3 - System Features...

  • Page 53: Chapter 4 - Station Features

    Chapter 4 - Station Features Overview This chapter describes the many features that end-users can perform on DBS 576 station phones. Some of the most popular functions are highlighted below. A complete list of Station Features is included at the end of this chapter.

  • Page 54: Alarm Ringing

    If a user places an outside phone call and gets a busy tone, he/she can stay on the line and press REDIAL. The DBS 576 will automatically send a Flash signal, redial the call, and wait to detect busy tone on the line (note: this doesn’t work on E&M tie-lines or ground-start trunks). If the line is still busy, the system will try again and again, at programmable intervals, until one of the following happens (whichever occurs first): 1) the called party answers;...

  • Page 55: Busy Override ("Barge-In")

    You can program the DBS 576 to send an alert tone to all parties when the barge-in occurs. You can also allow/block the phone’s ability to perform this feature based on the phone’s Class of Service assignment (see CLASS OF SERVICE RESTRICTION in Chapter 3 - System Features for more information).

  • Page 56: Call Park

    The user can also clear the phone of all of its Call Forward and DND settings with a single code. Users can also set/clear Call Forward settings on other extensions from their own phones. (This can all be allowed/disallowed in programming.) The DBS 576 also provides timers in programming for ringing duration before and after call forwarding.

  • Page 57: Callback Request

    CALLBACK REQUEST Description: A phone can alert the user when another, busy extension becomes free. Say Extension “A” calls Extension “B” who is busy. “A” can dial a Callback Request code, hang up, and concentrate on other things. When “B” becomes free, “A” will ring. When the “A” user picks up the handset, the “A”...

  • Page 58: Dss/Blf Keys

    You can program the DBS 576 to automatically change DP to DTMF tones based on incoming and outgoing timer programming for each trunk. Benefits: • Doesn’t limit users to certain trunks whenever they have to dial additional digits. Applications: •...

  • Page 59: Flexible Feature Keys ("Ff-Keys")

    FLEXIBLE FEATURE KEYS (“FF-KEYS”) Description: Every FF-key on a telephone can be programmed by the end-user for a variety of one-touch features. The following is a list of some of those features: • Absence Messages • Call Park • Headset On/Off •...

  • Page 60: Hold

    HOLD Description: With its variable Call Holding features, the DBS 576 lets you control who can pick up a call on hold: System Hold: Anyone can retrieve the held call from any phone. Exclusive Hold: Only the person who put the call on hold can retrieve it.

  • Page 61: Meet-Me Answer

    There is no indication to the outside party (other than silence) that he/she can’t hear the station user anymore. NAME ASSIGNMENT Description: The DBS 576 lets you create a more user-friendly, personalized system by allowing various name assignments that will display on phone LCDs. You can assign names to: CO Lines DID/DNIS Numbers...

  • Page 62: Off-Hook Monitoring

    SSD Index Benefits: • Lets users look up a phone number by name, and have the phone dial it automatically. Applications: • Executive suites, doctors offices, travel agencies OFF-HOOK MONITORING Description: With Off-Hook Monitoring, a call can be conducted through the handset and on-speaker at the same time.

  • Page 63: On-Hook Dialing

    PAGING Description: The DBS 576 allows users to make both internal pages (heard on phone speakers) and external pages (heard over a loudspeaker system). Users can respond to pages for calls on hold with Meet-Me Answer. You can create up to 10 different internal and 5 different external paging zones, and an extension can belong to more than one of them.

  • Page 64: Ringing Line Preference

    TRANSFER Description: The DBS 576’s Transfer feature allows station users to transfer their outside line or inter-station calls without attendant intervention. Transferring calls can be either supervised by the user (who waits for the third party to answer, then announces the call before transferring it) or unsupervised (user hangs up before the third party answers).

  • Page 65: Walking Trs

    Benefits: • Provides efficient, user-friendly call handling capabilities. WALKING TRS Description: By entering a Walking TRS (Toll Restriction Service) code on any phone, a station user can temporarily have access to the less-restrictive call capabilities of his/her own phone. For example, the user can walk over to another phone that is set to restrict long-distance calls, pick up the handset and dial his/her Walking TRS code (which is associated with the user’s own phone), and be able to make a long-distance call.
  • Page 66 Station Feature Notes Directory Number Keys for handling multiple calls simultaneously on the same phone; up to 3 PDNs and 3 NPDNs per phone (plus a direct call ringing in on the “EXT” LED) DSS/72 (Direct Station Select/72-key) Module can be used with any digital station phone Directory Display &...
  • Page 67 Station Feature Notes Off-Hook Monitoring press ON/OFF to put an outside caller on speaker, and continue to conduct the call through the handset (outside caller can only hear through the handset) Off-Hook Signaling phone “beeps” to alert user of another incoming call Off-Hook Voice Announce intercom calls on speaker;...

  • Page 68: Chapter 5 - Special Applications

    Network Extension Calling. Allows you to reach an extension on another DBS 576. Based on the number you dial, the DBS 576 network routes the call automatically. Network Paging. Allows users on one DBS 576 system to page on another DBS 576, when the appropriate Class of Service allows.

  • Page 69: Computer Telephony Integration (Cti)

    LAN TAPI as a standard method of communication between these third-party applications and the Panasonic PBX. The physical LAN TAPI system consists of a DBS 576, a Windows NT network, a “Telephony Server” machine connected to the network, and one or more user PCs (Win 95/98 or NT). Using Microsoft’s TAPI software and a software program called the Telephony Service Provider (TSP), call control information (TAPI commands) is translated into commands that can be interpreted by the DBS 576.
  • Page 70 (PIM). The PC’s operating system routes this request over the LAN (2) to the Telephony Server (3), which translates and forwards the request over a serial connection (4) to the DBS 576 (5). The DBS 576 then places the call from the user's telephone (6).

  • Page 71: Pc Phone

    Screen Display” telephone. Comprised of a PC card (installed inside the computer), application software, and various connecting items (leads, handset, headset, etc.), the PC Phone connects to a DBS 576 extension port and provides a sophisticated “on-screen” phone for the end-user.

  • Page 72: Pc Attendant Console

    The PC Attendant Console is for the receptionist/operator position. It is designed to replace the DSS/72 console & keyphone combination that’s commonly used as the Attendant. PC Attendant Console Connectivity DBS 576 PHONE SYSTEM PC COMPUTER (up to 4 added DSS ports)

  • Page 73: Voice Mail

    PanaVOICE Courier is a PC-based Voice Mail system offered by Panasonic. PanaVOICE Courier is is fully digital (connects to DBS 576 digital ports), and is available in integrated and non-integrated versions. The integrated version provides improved messaging with Message-Waiting indication, constant message count on display phones, and visual menus on Large-display phones.

  • Page 74: Built-In Voice Mail With 2-Way Call Recording

    PanaVOICE Courier can also be installed on an external PC and connected to the DBS 576 via an API card. See your PanaVOICE documentation for further details. BUILT-IN VOICE MAIL WITH 2-WAY CALL RECORDING The DBS 576’s Built-In Voice Mail option provides simplified Voice Mail functionality. Hardware for this option is installed inside the DBS 576 cabinet, and it is customized in system programming.

  • Page 75: One-Touch Key For Voice Mail

    ANSWER SUPERVISION FOR VOICE MAIL Description: The DBS 576 can be programmed to send an answer supervision signal to a 3rd-party Voice Mail or Auto Attendant system, when the extension user answers a call. (Voice Mail doesn’t wait for the ringing to stop before releasing the call.) Benefits: •...

  • Page 76: Automatic Call Distribution (Acd)

    IFM ACD provides advanced call distribution for multiple agents and groups, supervisor monitoring features, all from one card installed in the DBS 576 cabinet. In addition, the IFM ACD/MIS software can be loaded on an external PC to provide supervisor reports of call data. This PC can be connected to the IFM ACD card with an Ethernet (LAN) connection.
  • Page 77 Reporting. Of course, reports are crucial for the group’s activities. These reports can give you enough information to make intelligent staffing decisions. Unlike most of the competition, the DBS 576 ACD system comes complete with reporting capabilities standard! Choose from individual agent activity by week, day, etc., or choose an entire group.

  • Page 78: Chapter 6 - Specifications

    150 volts p-p Ringing Capability: 2.0 REN per circuit Traffic Rating Characteristics: 6 ACS per station system-wide DBS 576 key telephones 3 watts maximum (powered from the DBS 576) Battery Backup Equipment Specification Battery Pack: (Part No. VB-44025) Capacity (with maximum traffic):...

  • Page 79: Environmental Requirements

    Environmental Requirements Temperature and Humidity Requirements for System Operation (excluding Built-In Voice Mail) Environmental Conditions Requirements Temperature 32 to 104 degrees F (0 to 40 degrees C) Relative Humidity 30% to 90% non-condensing Storage Temperature –4 to +140 degrees F (–20 to +60 degrees C) Temperature and Humidity Requirements (Built-In Voice Mail operation only) Environmental Conditions Requirements...

  • Page 80: Resource Maximums

    Resource Maximums Line Capacities System Resources 1 Cabinet 2 Cabinets 3 Cabinets 4 Cabinets 5 Cabinets 6 Cabinets Ports (CO line or Station) Speech Path Switching Nonblocking (CO line/Station) Feature-Related Capacities Maximum for Resource 1 Cabinet 2 Cabinets 3 Cabinets 4 Cabinets 5 Cabinets 6 Cabinets CPU Configuration CPC-96 -----...
  • Page 81 Maximum for Resource 1 Cabinet 2 Cabinets 3 Cabinets 4 Cabinets 5 Cabinets 6 Cabinets MCO Tenant Groups MCO Trunk Groups SSD Bins PSD Bins SSD/PSD String Length SSD Name Length PSD Name Length Trunk Name Length Extension Name Length Attendant Group Attendant Group Members Ext.

  • Page 82: Hardware Maximums

    Maximum for Resource 1 Cabinet 2 Cabinets 3 Cabinets 4 Cabinets 5 Cabinets 6 Cabinets Account Codes: Verified Account Codes: Verified Digits Call Pickup Groups Paging Groups Paging Group Members Hardware Maximums Maximum Quantity For Part No. Description Cabinet Cabinets Cabinets Cabinets Cabinets...
  • Page 83 Maximum Quantity For Part No. Description Cabinet Cabinets Cabinets Cabinets Cabinets Cabinets VB-44511 LGTRK/8: loop-start/ground-start trunk card (8-port) VB-44512 Trunk MDF Interface VB-44520 DID: Direct Inward Dial trunk card (8-port) 12 VB-44530 BRI: Basic Rate Interface card (T-point) VB-44540 PRI: Primary Rate Interface card (T/S- point) VB-44550 T-1 Interface...
  • Page 84 (1 Ext. + up to 5 DSSs per Console unit) VB-44332 PC Phone (1 Ext. per PC Phone unit) (none) DBS 576 Manager Note: These maximums are based on overall CO line capacities. They do not allow for CO lines used for outside lines. Chapter 6 - Specifications...

  • Page 85: Cabling Specifications

    Cabling Specifications Maximum Cabling Distances Maximum Cabling Length in Feet Loop Type Resistance Resistance Cable Gauge (AWG) (distance from the DBS 576) Key Telephone, EM/24 40 Ohms 1239 DSS/72 20 Ohms 100 Ohms 3097 1948 1225 Doorphone (loop between the...

  • Page 86: Voice/Data Transmission

    Data bit length: 7 or 8 Modem Speed Throughput NOTE: The DBS 576 is capable of passing modem speeds up to 31,200 bps or less, depending on the type and quality of the trunks and facilities used. Modem Speed: 9,600 - 33,600 bps Protocol: ITU-T V.34...

  • Page 87: Signaling Characteristics

    Signaling Characteristics Signaling to CO Item Specification Dial pulse 8 to 11 pulses per second Break ratio 58% to 64% Minimum pause 0.7 to 1.0 seconds Trunk start signaling Loop or ground start; E&M wink or immediate start Transmission Specifications Item Specification Impedance...

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