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Panasonic DBS 576HD Technical Manual

Section 200 general description.
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Technical Manual
Section 200

General Description

DBS 576HD - Version 5.1
Issued April 2002
Revision A - Issued May 2002


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  • Page 1: General Description

    Technical Manual Section 200 General Description DBS 576HD - Version 5.1 Issued April 2002 Revision A - Issued May 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

    Preface - Requirements OVERVIEW This section provides information the telephone company may require before providing you with service. Additionally, important notices and warnings are listed for your knowledge and safety. FCC REGISTRATION NUMBERS The Federal Communications Commission (FCC) has established rules which permit the DBS 576 HD to be directly connected to the telephone network.
  • Page 4: Direct Inward Dialing (did) Requirements

    Operator Consumers Act of 1990. • If you experience trouble with the DBS 576 HD, 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 HD 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: Table Of Contents

    Loop Start Trunk Card - LTRK/4 (VB-44514)..........23 Loop Start Trunk Card - LTRK/8 (VB-44510).
  • Page 8 Telephone Key Layout ............. . 33 CHAPTER 3 - SYSTEM FEATURES .
  • Page 9: Table Of Contents

    Panavoice -- Panasonic’s Digital Voice Mail System........
  • Page 10 CHAPTER 6 - SPECIFICATIONS ......75 Overview................75 Electrical Characteristics .
  • Page 11: Chapter 1 - System Overview

    Panasonic is one of the largest suppliers of business telephone systems in the U.S., with nearly 1 million users. With high-level training and testing, our authorized dealers are specialists in solving telecommunications needs.
  • Page 12 120 ports with one cabinet, or to 240 ports with two cabinets. Double-Cabinet Capability. You can connect two DBS 576HD cabinets to create a system with up to 240 ports of capacity. This means that as your organization grows, the DBS 576HD can expand to meet your needs. Configures automatically The DBS 576HD system automatically inspects cards installed and assigns extension numbers, trunk numbers, etc.
  • Page 13 E&M Tie Lines let you connect directly to another DBS 576HD system using a leased voice line. T-1 or QSIG (ISDN line) Networking lets you tie multiple systems together through the network, so that (for example) when one location closes for the day, its calls can be picked up by another location across the country.
  • Page 14 Courier line. The Courier Plus models are based on Microsoft's Windows NT Operating System, and come in four (4)- or eight (8)-port models for the DBS 576HD. The 4-port model can be expanded to an 8-port model at any time.
  • Page 15: System Technology

    30 minutes at a time. Diagnostic Maintenance The printed circuit board (PCB) cards are designed to slide easily into slots within the DBS 576HD cabinet. By using diagnostic troubleshooting, small problems can be isolated to specific cards. Some cards are designed to be installed and extracted from slots without turning off the power, allowing system maintenance to be completed without interrupting the entire system.
  • Page 16: Supporting Documentation

    Programming from the RS232 port. A PC computer or laptop can be connected to the DBS 576HD phone system, via a DB9-pin RS232 port inside the cabinet. Then, from the computer, you can program the phone system with our proprietary PC-based software, DBS 576 Manager.
  • Page 17 Section 770: Voice Recognition Telephone Adapter User Guide This is a user guide describing the additional features of the Voice Recognition Telephone. It is intended for the end-user. Section 776: 900 MHz Wireless Phone User Guide This is a user guide describing the new 900 MHz wireless phone. It is intended for the end-user. Chapter 1 - System Overview...
  • Page 18 The products you need. The services you deserve. From the name you trust. Chapter 1 - System Overview...
  • Page 19: 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 576HD trunk and extension line connections, as well as some of the more popular peripheral connections. Chapter 2 - System Hardware...
  • Page 20 System Connections (trunks, extensions, peripheral equipment) Chapter 2 - System Hardware...
  • Page 21: Cabinet

    Cabinet The DBS 576HD consists of one or two cabinets. Each cabinet is capable of supporting up to ports, for a maximum of 240 ports per system. Contained within the enhanced cabinet are slots (1 power, 1 CPC, and flexible slots), 8 built-in DEC circuits.
  • Page 22: Cabinet Power Supply (vb-44033)

    –48V Cabinet Power Supply (VB-44033) A –48V power supply must be installed in a cabinet when either DID, E&M and/or Ground Start Trunks are employed in the cabinet. Battery Backup (VB-44026) The backup batteries supply power to the system in the event of a power failure. If the Battery Backup option is chosen for the system, each cabinet requires its own set of batteries (1 kit per cabinet, 2 batteries per kit).
  • Page 23: Trunk/tie Line Cards

    card. The system control program is downloaded to the internal memory of the system through the compact flash card. Memory is retained with a backup battery. CPC Card Processor Unit CPC-HS CPC-HM CPC-HL Specifications MPU (Main Processor Unit) 68032 (16-bit) 68032 (16-bit) 68032 (16-bit) CPU Used...
  • Page 24: Isdn Basic Rate Interface Card (t-point) - Tbri/4 (vb-44530)

    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 25: Digital Extension Card - Dec/16, Dec/24 (vb-44612, Vb-44613)

    MCK Extender Kit - (VB-44670 - VB-44674) The MCK Extender Kit is a multi-user device that can used to connect a DBS 576HD 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 26: Network Blf Display - (vb-44730)

    Panasonic digital keyphones are attached to the extender unit. These keyphones provide all the services available to extensions that are directly connected to the DBS 576HD system. Network BLF Display - (VB-44730) Panasonic’s Network Busy Lamp Field (BLF) Display is a PC-based application that monitors the activity (in use/on-hook/special feature set) of phone extensions across a Local Area Network (LAN) or Wide Area Network (WAN).
  • Page 27: (vb-44191s2/vb-44191s4)

    One IFM can can be installed. This card can be installed in any flexible slot, although slot 5 is recommended. If an ACD card is installed in flexible slot 5, use slot 3. Integrated Feature Module Card - Linux - (2/4 port) - IFM (Voice Mail) (VB-44191S2/VB-44191S4) The IFM (Integrated Feature Module) card - Linux version provides a plug-in platform for running...
  • Page 28: Station Equipment

    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 29: 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 30: 22-key Standard Phone

    22-Key Standard Phone Gray (VB-44220A-G) Black (VB-44220A-B) Provides 12 flexible feature/line keys (dual colored LED) and 10 personal speed dial keys. Supports hands-free answerback on intercom, offhook voice announce, and headsets. Requires one digital port. Wall-mountable. Includes user tray and elevation supports. 22-Key Small-Display Phone Gray (VB-44223A-G) Black (VB-44223A-B)
  • Page 31: 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 LED) 164 Davidson C and 10 personal speed dial keys. Supports hands-free PROG answerback on intercom, offhook voice announce, and headsets. Requires one digital port. Wall-mountable CONF Includes user tray and elevation supports.
  • Page 32: Optional Terminal Devices

    Chapter 5 - Special Applications. PC Attendant Console/96 (VB-44330) This is one of two PC Attendant Consoles offered by Panasonic; both consoles are designed to replace an Attendant phone and add telephony capability to a desktop PC. The PC Attendant Console/96 is a 2-port solution that is equivalent to one key phone (either a 34-key small-display phone, or a 22-key large-display phone) with one DSS/72;...
  • Page 33: 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 34 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 35 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 36 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 37: Chapter 3 - System Features

    AUTO DAY/NIGHT MODE Description: The DBS 576HD 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 38: Automatic Route Selection (ars)

    Applications: • Lines that need to be switched over to an answering machine or voice mail system after-hours • Lines that require toll restrictions after-hours so unauthorized personnel cannot dial long distance • Different mode for lunchtime operation (Day 2 mode) 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 39: Class Of Service (cos) Restriction

    LCD indication of caller information. Users can see caller information (both name and number) displayed while the incoming call is ringing their extension. This includes ISDN digital messaging through the D-channel, also known as ANI (Automatic Number Identification). Log of caller information. The Call Log keeps a record of the last 10 CID calls received at an individual phone, and allows the user to view the Log and select from it to place a call.
  • Page 40: Cti (computer Telephony Integration)

    DBS 576HD 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 576HD also offers powerful computer/ phone integrations for the Attendant position (via our PC Attendant Console) as well as end- user phones (via our PC Phone).
  • Page 41: Disa (direct Inward System Access)

    FLEXIBLE DIAL PLAN Description: The DBS 576HD’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 42: 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 43: Multiple Direct Inward Dial (did) Assignment

    RECALL TIMERS Description: The DBS 576HD 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 44: Slide Ringing

    SLIDE RINGING Description: This is a type of delayed ringing for CO line FF-keys. Unlike delayed ringing, the immediate ring stations will continue ringing even after slide ringing occurs. 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.
  • Page 45 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 46: 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 576HD can be programmed so that SSDs will override any toll restrictions that would normally apply. Benefits: •...
  • Page 47: Walking Trs

    A TRS Class can be assigned to each extension and trunk. Up to 50 different TRS Classes are available. Each TRS Class is then assigned to a TRS Level. It is this Level that is used as the basis for allowing/restricting calls.
  • Page 48 System Feature Notes Analog (AEC) Disconnect Signal for quick-disconnect from 3rd-party Voice Mail systems Analog Device Compatibility Attendant Group up to 20 phones per Att.Group; each system mode (Day1, Day2, and Night) has its own Att.Group Auto Day/Night Mode system automatically switches modes at preset times Automatic Route Selection (ARS) least cost routing Automatic Trunk-to-Trunk Transfer...
  • Page 49 System Feature Notes Flexible Station Functions (available on large-display phones only) Free Slot Configuration most cards can be installed in any flexible slot Hot Line up to 20 phones can be programmed to automatically call another extension or SSD when the user goes off-hook Howler Tone an alarm for abnormally long off-hook/dial-tone conditions Hunt Groups...
  • Page 50 System Feature Notes Traffic Measurement trunk (separate inbound/outbound) and intercom call traffic; 30-minute interval storing/printout via programming Trunk Groups inbound and outbound; up to 99 groups per system; can only be a member of one group; MCO trunk group chaining Trunk Name Assignment (available on display phones only) UNA (Universal Night Answer)
  • Page 51: Chapter 4 - Station Features

    Chapter 4 - Station Features Overview This chapter describes the many features that end-users can perform on DBS 576HD 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 52: 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 576HD 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 53: Busy Override ("barge-in")

    You can program the DBS 576HD 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 54: 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 576HD also provides timers in programming for ringing duration before and after call forwarding.
  • Page 55: 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 56: Dss/blf Keys

    You can program the DBS 576HD 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 57: 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 • Meet-Me Answer •...
  • Page 58: Hold

    HOLD Description: With its variable Call Holding features, the DBS 576HD 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 59: 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 576HD 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 60: Off-hook Monitoring

    System Speed Dial (SSD) Codes 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 61: On-hook Dialing

    ONE-TOUCH KEYS Description: DBS 576HD phones have several different types of keys that can be programmed to execute features or store frequently-dialed numbers. Instead of dialing a series of digits, the user can just press the key. There are FF-keys (with LEDs that flash red or green, indicating certain features or phone status), Labeled Keys (that perform a specific function such as Hold, Flash, Mute, etc.), Soft Keys (surrounding the phone’s LCD, that execute the feature name that’s displayed...
  • Page 62: Ringing Line Preference

    TRANSFER Description: The DBS 576HD’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 63: 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 64 Station Feature Notes Directory Number Keys for handling multiple calls simultaneously on the same phone; up to 3 PDNs and 3 NPDNs per phone. DSS/72 (Direct Station Select/72-key) Module can be used with any digital station phone Directory Display & Dial Extension, PSD, SSD directories Display call status, called party, calling party, date/time...
  • Page 65 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 that phone is off hook Off-Hook Voice Announce intercom calls on speaker;...
  • Page 66: Chapter 5 - Special Applications

    Chapter 5 - Special Applications Overview The DBS 576HD is designed to accommodate a wide variety of features as described throughout this document. However, this powerful phone system is also designed to support fast-emerging technological trends and specialized 3rd-party product integrations. Listed below are some examples.
  • Page 67: Computer Telephony Integration (cti)

    Network users can also turn a long-distance call into a local one, by accessing another (long-distance) node and then dialing the (local) number. Q-sig (ISDN PRI) Lines . Multiple DBS 576HD sites can be connected over ISDN lines by using the Q-sig interface.
  • Page 68 (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 576HD (5). The DBS 576HD then places the call from the user's telephone (6).
  • Page 69: 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 576HD extension port and provides a sophisticated “on-screen” phone for the end-user.
  • Page 70: Pc Attendant Console

    Easy to use. DBS 576HD features are easily selected via on-screen menus, tool bars, and programmable keys, without the need to consult a user guide. On-line help. An easy-to-search help facility is available that describes all PC Phone features. Directory. An unlimited database of contacts that can be searched by name, address, etc., allowing easy dialing of internal or external calls.
  • Page 71: Voice Mail

    IFM hard drive, eliminating the need for an external PC and an API card. PanaVOICE Courier can also be installed on an external PC and connected to the DBS 576HD via an API card. See your PanaVOICE documentation for further details.
  • Page 72: Third-party Voice Mail Support

    The DBS 576HD also provides features for external Voice Mail products from a third-party vendor. Some of these features are explained below. NOTE: The fact that the DBS 576HD offers these features does NOT guarantee that all features offered by the third-party Voice Mail manufacturer will work with the DBS 576HD.
  • Page 73: Follow-along Identification

    IFM ACD card with an Ethernet (LAN) connection. Panasonic’s IFM ACD card is an application platform that includes a Pentium II 266 MHZ PC and 8 voice processing circuits. The IFM ACD software is pre-loaded on the IFM ACD hard drive.
  • Page 74: Built-in Acd

    Panasonic’s Built-In ACD offers low-cost, easy installation, programming, and operation of ACD functionality. Some of the strong points of this product are: One-vendor solution. There is only one place you have to call - Panasonic - to support and service your ACD. Saves time and eliminates miscommunication.
  • Page 75: Chapter 6 - Specifications

    Chapter 6 - Specifications Overview This chapter provides detailed lists of all system specifications in an easy-to-follow table format. Note: The following specifications are subject to change without notice. Electrical Characteristics Power Supply Equipment Specification/Requirements DBS 576 HD Cabinet 120 volts AC + 10% 60 Hz Primary Power - Input @ AC: 108 to 132 volts AC...
  • Page 76: Environmental Requirements

    Environmental Requirements Temperature and Humidity Requirements for System Operation Environmental Conditions Requirements Temperature 32 to 104 degrees F (0 to 40 degrees C) Relative Humidity 30% to 90% non-condensing Storage Temperature -40 to +140 degrees F (-20 to +60 degrees C) Dimensions and Weight for Cabinets, System and Telephones...
  • Page 77 Capacities Resource CPC-HS/HS+ CPC-HM CPC-HL (Single Cabinet) (Single Cabinet) (Double Cabinet) T-point ISDN-BRI ( channels T-point ISDN-PRI (8/16/24 DID (Trunks) T1 (8/16/24) (Trunks) VoIP (8/16) (Channels) E&M (Tie Lines) AEC (Extensions) DEC (Extensions) S-point ISDN-BRI ( channels S-point ISDN-PRI ( channels EM/24 Unit DSS/72 Console...
  • Page 78 Capacities Resource CPC-HS/HS+ CPC-HM CPC-HL (Single Cabinet) (Single Cabinet) (Double Cabinet) Virtual Ports Extension COS Trunk COS TRS Class ARS/TRS: Leading Digit Strings (max. 10 digits/string) ARS/TRS: Follow Digit Strings (max. 8 digits/string) ARS: Time List Tables ARS: Time List Entries (per Table) 50 ARS: Route List Paths ARS: Digit Modify Strings DID/DNIS Tables...
  • Page 79: Hardware Maximums

    Hardware Maximums Capacities Part No. Description CPC-HS/HS+ CPC-HM CPC-HL 1 Cabinet 1 Cabinet 2 Cabinet Station Equipment VB-44101 Voice Recognition Adaptor VB-44210A 16-key Standard Phone VB-44220A 22-key Standard Phone VB-44223A 22-key Small-Display Phone (2-line LCD) VB-44224 22-key Small-Display Phone (2-line LCD) with voice recognition capability VB-44225 22-key Large-Display Phone (7-line LCD)
  • Page 80: Cabling Specifications

    Capacities Part No. Description CPC-HS/HS+ CPC-HM CPC-HL 1 Cabinet 1 Cabinet 2 Cabinet Station Interfaces VB-44110 MFR/8: DTMF signal receiver for 8 SLT lines VB-44610 DEC: digital extension card (8-port) VB-44611 Extension MDF Interface VB-446230 AEC: analog extension card (8-port) VB-44630 BRI: Basic Rate Interface card (S-point) VB-44540...
  • Page 81: Voice/data Transmission

    Maximum Cabling Length in Feet Loop Type Resistance Resistance Cable Gauge (AWG) (distance from the DBS 576 HD) Doorphone (loop between the 10 Ohms 1239 Doorphone Adapter and the Doorphone) NOTE: If a Voice Response Telephone Adapter is installed with the telephone, the measured resistance must be less than 20 Ohms and the maximum cabling distance reduced in half compared to a standard key telephone.
  • Page 82: Signaling Characteristics

    NOTE: The DBS 576 HD 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. AEC to E&M/2-Wire: 24,000 bps (maximum) - 9,600 bps (minimum) (Loss: 0 - 17 dB, 24 AWG) AEC to E&M/4-Wire: 26,400 bps (maximum) - 14,400 bps (minimum) (Loss: 0 - 17 dB, 24 AWG)
  • Page 83 Digit Frequency (Hz) 860 + 1480 940 + 1340 940 + 1200 940 + 1480 Chapter 6 - Specifications...
  • Page 84 Chapter 6 - Specifications...

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