Comdial DXP Plus Series User manual

Brand: Comdial

Model: DXP Plus Series

Category: IP phones

Type: User manual

Digital Communications System

Accredited by the Dutch Council

for Certification for certification

and registration activities.

Comdial’s Quality Management System Is

Certified To The ISO 9001 Standard.

Comdial strives to design the features in our communications systems to be fully interactive with one another.

However, this is not always possible, as the combinations of accessories and features are too varied and extensive to

insure total feature compatibility. Accordingly, some features identified in this publication will not operate if some

other feature is activated.

Comdial disclaims all liability relating to feature non-compatibility or associated in any way with problems which

may be encountered by incompatible features. Notwithstanding anything contained in this publication to the

contrary, Comdial makes no representation herein as to the compatibility of features.

Contents

1. Introducing The DXP Plus ............... ............................................ 1

1.1 Using This Publication.......................................................................................1

1.2 Understanding The DXP Plus...........................................................................2

2. Understanding The Telephone Features........................................3

2.1 Using the Comdial Telephones..........................................................................3

2.2 Understanding The Telephone Features............................................................4

2.3 Using DigiTech Telephones.............................................................................. 6

2.4 Using Impact Telephones.................................................................................. 8

2.5 Using ExecuTech Telephones..........................................................................10

3. Reviewing The Hardware..............................................................12

3.1 Understanding Printed Wire Boards .............................................................. 12

3.2 Defining The Line Boards...............................................................................13

3.3 Defining The Station Boards.......................................................................... 14

3.4 Defining The Optional Circuit Boards.............................................................15

3.5 Locating The Boards...................................................................................... 16

3.6 Using The Modem ...........................................................................................18

3.7 Using The Ring Generator..............................................................................19

3.8 Understanding Board Configuration............................................................... 20

3.9 Mounting Considerations................................................................................ 22

3.10 Using The Power Supply .................................................................................24

3.11 Using The Battery Backup...............................................................................26

4. Connecting The System..................................................................28

4.1 Connecting The Lines .....................................................................................28

4.2 Connecting The Stations.................................................................................30

4.3 Connecting The Paging Equipment And Music Sources.................................32

4.4 Connecting The Power Failure Telephone...................................................... 33

4.5 Connecting The Serial Data Ports....................................................................34

4.6 Connecting The Slave Equipment Requiring Dry-Contact Relay Closures....35

5. Knowing The General Specifications............................................36

5.1 Knowing The FCC Rules And Regulations.................................................... 42

6. Understanding The System Features............................................44

DXP Plus General Description GCA40–130

Contents – iii

Introducing The DXP Plus

1.1 Using This Publication

What this

book does

This DXP Plus General Description provides an overview of the system and its

features. The system’s general specifications are detailed in full in Section 5,

Knowing The General Specifications. Section 6, Understanding The Features,

details all of the available features.

Where to find

what you need

The General Description contains six sections. Use the following list as a guide to

finding what you need in this book.

• Section One, Introducing The DXP Plus, gives you a general overview of

the system and its capabilities.

• Section Two, Understanding The Telephone Features, lists the telephone

models that function on the DXP Plus. This chapter also lists the major

features of the telephones, and it gives you diagrams and dimensions of each

telephone model.

@BULLET 2 = Section Three, Previewing The Hardware, details all of the hardware for the DXP

Plus. Use this chapter to find definitions of the printed-wire-boards. Along with general definitions,

section three gives the product code numbers and the installation locations for each board.

• Section Four, Connecting The System, describes some basic installation

instructions. You will find information on line and station connections in

section four.

• Section Five, Knowing The Specifications, lists all of the product codes and

specifications for the DXP Plus.

• Section Six, Understanding The Features, defines all of the system’s

features.

DXP Plus General Description GCA40–130

Introducing The DXP Plus – 1

1.2 Understanding The DXP Plus

Station and line

capacity

The DXP Plus system is a 480-port, three-cabinet, digital communications system

consisting of one main cabinet and two expansion cabinets. With analog,

loop-start, DID, or multipurpose line boards, the maximum configuration is 0

lines and 480 stations, or 232 lines and 8 stations. By using the digital carrier

transmission option (E1 or T1), however, you can enhance the system’s capacity

to a maximum of 560 ports, with a 240 line and 320 station maximum

configuration.

How the system

works

The Comdial DXP Plus digital communications system provides cost-effective

voice and data communications using the latest PCM-TDM (pulse code

modulated/time division multiplexing) digital switching technology. The DXP

Plus switching architecture provides a non-blocking switching array that gives all

ports simultaneous access through the system. The digital technology allows

simultaneous voice and data transmission using 2B+D signaling (CCITT

specification for basic access data transfer rate for ISDN on a single twisted pair)

when data terminals become available. The design is a fully modular, ISDN

(integrated services digital communications network) system with 1024 usable

time slots and the flexibility for upgrade and expansion as needed. The DXP Plus

digital communications system supports the current Comdial line of DigiTech,

Impact, and ExecuTech telephones.

GCA40–130 DXP Plus General Description

2 – Introducing The DXP Plus

Telephone Features

2.1 Using The Comdial Telephones

The DXP Plus system supports many of Comdial’s proprietary telephones as well as

industry-standard telephones. The following list details the various telephone models.

• DigiTech Telephones

» 7700S — LCD Speakerphone

» 7714X — Multiline Telephone

» 7714S — Multiline Speakerphone

» 7701X —Single Line Proprietary Telephone

» DD32X — 32-Button DSS/BLF Console

• Impact Telephones

» 8024S — 24 Line LCD Speakerphone

@BULLET TEXT 2 = 8124S — 24 Line Speakerphone

» 8012S — 12 Line LCD Speakerphone

» 8112S — 12 Line Speakerphone

» 8112N — Multiline Proprietary Telephone

» 8101N — Single Line Proprietary Telephone

» IB64X — 64-Button DSS/BLF Console

•

ExecuTech Telephones

» 6620E — 23-Line Monitor Telephone 6714S — 14-Line Speakerphone

» 6620T — 23-Line Speakerphone 6714X — 14-Line Monitor Telephone

» 6614E — 22-Line Monitor Telephone 6614T — 22-Line Speakerphone

» 6600E — 17-Line LCD Speakerphone

» 6700S — 12-Line LCD Speakerphone DB70 — 70-Button DSS/BLF Console

» 6701X — Single Line Proprietary Telephone DB32S — 32-Button DSS/BLF Console

» 6706X — 6-Line Monitor Telephone EB32X — 32-Button DSS/BLF Console

DXP Plus General Description GCA40–130

Telephone Features – 3

2.2 Understanding The Telephone Features

The DXP Plus supports the following telephone features on both analog and digital proprietary

telephones. Some of these features are system-wide and others are specific to individual stations.

Alphanumeric Display

— Displays time, day and date

— Keeps you apprised of the status of your telephone

— Provides programming prompts

Auxiliary Jack (used only with

Impact

and DigiTech LCD speakerphone)

— Allows you to use your telephone privately and handsfree with headset

— Allows you to plug in a tape recorder

— Allows you to plug in a loud ringer

— Helps improve operation of high-volume business applications by adding a paging speaker

Button Query

— Allows you to see the function of a programmed button on your LCD screen

Hold Button

— Places a line on hold

— Stores pauses in number sequences while programming

— Allows you to scroll through multiple held calls on display

Interactive Buttons

— Provide quick and easy access to system and call processing features

— Provide straightforward button programming without dialing codes

(the interactive buttons themselves, however, are not programmable)

Intercom Button

— Selects an intercom line

— Initiates many of the features of the telephone

Message Waiting Light

@BULLET TEXT 3 = Tells you that there is a message for you

Mute Button

— Keeps the person on the line or speakerphone from hearing your conversation

Programmable Buttons

— Allow you to program your telephone for automatic dialing functions

— Allow you to program your telephone for Direct Station Selection (DSS)

— Show which lines and intercoms are either in use or on hold

— Allow you to store frequently used feature codes at unused buttons

GCA40–130 DXP Plus General Description

4 – Telephone Features

Ringer Volume Control

— Lets you vary ringer volume

Shift Button

— Allows you to program and access preprogrammed feature codes or secondary speed dial

numbers (each programmable button can accommodate two feature codes or speed dial numbers)

Speaker Button

— Turns your speaker on or off

— Disconnects a call when your handset is on-hook

— Ends or cancels programming

Status Lights

— Shows status of line when next to line button

— Shows status of station when next to DSS button

— Shows status of feature when next to programmable button

TAP Button

— Recalls dial tone, or activates host system features (must be programmed for either feature)

— Retrieves held calls (last call held is first call retrieved)

Transfer/Conference Button

— Transfers calls

— Sets up conference calls

Volume Control

— Regulates the volume of the speaker and the handset

DXP Plus General Description GCA40–130

Telephone Features – 5

2.3 Using DigiTech Telephones

The DXP Plus accepts all of the currently produced DigiTech telephones. Figure 1 details all of the

DigiTech telephones that operate on the DXP Plus. Figure 2 shows the dimensions of the DigiTech

Multiline telephone.

OPER

PRS

GHI

TUV

JKL

ABC

WXY

MNO

DEF

HOLD

TAP

DIGITECH

COMDIAL

SPKR

TAP

TRANS

CONF

MUTE

HOLD ITCM

12X14LCD

DIGITECH

COMDIAL

SPKR

TAP

TRANS

CONF

MUTE

HOLD ITCM

7714X, 7714S

7700S

7701X

DD32X

CAJS075

Figure 1: DigiTech Station Configurations

GCA40–130 DXP Plus General Description

6 – Telephone Features

8.625"

6.451"

7.658"

8.625"

4.983"

4.069"

1.112"

1.251"

2.887"

4.007"

CAJS045

7714X

7714S

7700S

7701X

Figure 2:DigiTech Station Outline Dimensions

DXP Plus General Description GCA40–130

Telephone Features – 7

2.4 Using Impact Telephones

The DXP Plus accepts all of the currently produced Impact telephones. Figure 3 details all of the Impact

telephones that operate on the DXP Plus. Figure 4 shows the dimensions of the Impact Multiline

telephone.

QZ ABC DEF

MNO

WXY

GHI

PRS

TUV

OPER

JKL

TRNS/CNF

HOLD

TAP

INTERCOM

QZ ABC DEF

MNO

WXY

GHI

PRS

TUV

OPER

JKL

TRNS/CNF

HOLD

TAP

INTERCOM

MUTESHIFT

SPEAKER

INTERCOM

TRNS/CNF

TAPHOLD

OPER

TUVPRS WXY

DEFABCQZ

MNOJKL

GHI

MUTESHIFT

SPEAKER

INTERCOM

TRNS/CNF

TAPHOLD

OPER

TUVPRS WXY

DEFABCQZ

MNOJKL

GHI

MUTE

SHIFT

SPEAKER

INTERCOM

TRNS/CNF

TAPHOLD

OPER

TUVPRS WXY

DEFABCQZ

MNOJKLGHI

MUTE

SHIFT

SPEAKER

INTERCOM

TRNS/CNF

TAPHOLD

OPER

TUVPRS WXY

DEFABCQZ

MNO

JKL

GHI

8012S

8112N

IB64X

8101N

8112S

8124S

8024S

CAJS076

Figure 3: Impact Station Configurations

GCA40–130 DXP Plus General Description

8 – Telephone Features

8012S, 8112S

8101N,

8112N

8024S, 8124S

4.640

10.750

9.080

7.130

8.900

3.731

1.034

8.900

CAJS077

Figure 4:

Impact

Station Outline Dimensions

DXP Plus General Description GCA40–130

Telephone Features – 9

2.5 Using ExecuTech Telephones

The DXP Plus accepts all of the currently produced ExecuTech telephones. Figure 5 details all of the

ExecuTech telephones that operate on the DXP Plus. Figure 6 shows the dimensions of the ExecuTech

Multiline telephone.

TAP

MUTE

SPKR

HOLD

ITCM

TRANS

CONF

ABC

GHI

PRS

SYS

JKL

TUV

OPER

MNO

WXY

RDL

DEF

6620T

6620E

HOLD

SPKR

MUTE

TAP

TRANS

CONF

SHIFT

ITCM

ABC

JKL

TUV

OPER

GHI

PRS

SYS

DEF

MNO

WXY

RDL

6614T

6614E

TAP

MUTE

SPKR

HOLD

ITCM

TRANS

CONF

ABC

GHI

PRS

SYS

JKL

TUV

OPER

MNO

WXY

RDL

DEF

6600E

DB70

OPER

PRS

GHI

TUV

JKL

ABC

WXY

MNO

DEF

HOLD

TAP

CAJS046A

6701X

DB32X

EB32X

TAP

SYS RDL

SPKR MUTE

TRANS

CONF

HOLD

ITCM

OPER

TUV

JKL

ABC

PRS

GHI

WXY

MNO

DEF

6700S

TAP

SYS RDL

SPKR

MUTE

TRANS

CONF

HOLD

ITCM

OPER

TUV

JKL

ABC

PRS

GHI

WXY

MNO

DEF

6702X

SYS

RDL

HOLD ITCM

OPER

TUV

JKL

ABC

PRS

GHI

WXY

MNO

DEF

MNTR

TAP

MUTE

TRANS

CONF

6706X

TAP

SYS RDL

SPKR

MUTE

TRANS

CONF

HOLD

ITCM

OPER

TUV

JKL

ABC

PRS

GHI

WXY

MNO

DEF

6714S

Figure 5: ExecuTech Station Configurations

GCA40–130 DXP Plus General Description

10 – Telephone Features

Figure 6: ExecuTech Station Outline Dimensions

8.625"

6.451"

7.658"

8.625"

4.983"

4.069"

1.112"

1.251"

2.887"

4.007"

CAJS045

DXP Plus General Description GCA40–130

Telephone Features – 11

Reviewing The Hardware

3.1 Understanding The Printed-Wire Boards

The basic system consists of a main cabinet, which accepts 14 printed-wire boards, and two expansion

cabinets; the upper expansion cabinet accepts twelve printed-wire boards, and the lower cabinet accepts

eleven (see Figure 7). Some of the printed-wire boards also hold smaller circuit cards that mount

directly to the boards (See section 3.5 for card information) The line boards are listed in section 3.3;

station boards are located in section 3.4. The complement of circuit boards include the following (for

information on the main DXP Plus package, see section 3.6, Locating The Boards):

Auxiliary Board:

— A utility board that provides interface for a maximum of four special-purpose circuit cards.

Actual make-up requirements depend upon system configuration.

Central Processing Unit (CPU) Board:

— Provides central processing and control for the system and other miscellaneous functions. The

CPU board has the time switch and conference circuitry and two serial data ports, which have

been dedicated for PC-based programming and a remote maintenance modem.

Conference Board:

— Provide additional conference capability. Each board provides 5 additional 3-way conferences.

Interface Boards:

— Ties the main cabinet to the expansion cabinet. Each expansion cabinet has an interface board;

that connects the main cabinet with the expansion cabinets. Interface boards are included with the

expansion cabinet packages.

Memory Card:

— Provides the memory storage and operating system control. The card mounts directly onto the

CPU board, and it is available with two (four megabyte as a future feature) of memory. The

system uses re-programmable random access memory, known as “flash memory” or “flash

RAM” —not replaceable memory chips, known as “EPROM”.

Services Board:

— Provides an interface for music-on-hold and background music inputs; it also provides an output

to an external paging amplifier. The services board includes four dry-contact relays for external

control functions. You can also add up to three additional cards onto the services board for data

communications, DTMF tone receiving, and E1 or T1 synchronization.

GCA40–130 DXP Plus General Description

12 – Reviewing The Hardware

3.2 Defining The Line Boards

The DXP Plus accepts several different types of lines. In order to use these various lines, you must

install the correct line board. The following list details all of the current DXP Plus line boards.

Direct Inward Dialing Line Board:

— Direct Inward Lines (DID) are incoming only and are employed to reduce the number of channels

between the DXP Plus and the Central Office (CO). DID lines allow incoming CO calls to reach

internal intercom extensions without going through the attendant station. DID operation requires

a group of published directory numbers provided by the CO. The number of DID lines is limited

only by the number of installed DID boards. The DID translation tables have limits that may

affect DID capacities. The system supports a maximum of 400 DID lines.

Loop-Start Line Board:

— The loop-start line board provides system interface for loop start lines. Loop start lines are the

most common CO line type (loop-start lines do not usually offer disconnect supervision)

Multi–Purpose Line Board:

— The multipurpose line board provides system interface for ground start lines, loop start lines, and

E & M Tie lines; these are typically the three line types that the central office (CO) makes

available for connection. The multipurpose line board is programmable for each line type. You

can have a maximum of two Tie lines on each multipurpose line board.

E1 Line Board (available for international applications):

— The E1 board provides 30 channels of voice transmissions over a single, four-wire, 120 ohm

cable or over two 75 ohm coaxial cables using multiplexing techniques. The system accepts a

maximum of eight E1 boards.

T1 Line Board (available for domestic U.S.A. applications)

— The T1 board provides eight, 16, or 24 channels of voice transmissions over a single, four-wire,

cable using multiplexing techniques. The system accepts a maximum of ten E1 boards.

DXP Plus General Description GCA40–130

Reviewing The Hardware – 13

3.3 Defining The Station Boards

The DXP Plus accepts digital, analog, and industry standard telephones. In order to use these different

types of stations, you must install the correct station board. The following list explains each station

board.

Analog Station Board

— The analog station board provides support for Comdial’s proprietary analog telephones (such as

the various ExecuTech models). Each board supports either 8 or 16 stations. A precharge port is

provided for board removal or insertion without system power-down.

Digital Station Board

— The digital station board provides support for Comdial’s proprietary digital telephones (such as

the Impact and DigiTech). Each board supports either 8 or 16 stations. A precharge port is

provided for board removal or insertion without system power-down.

Industry Standard Telephone Board

— The industry-standard station board provides support for industry-standard telephones. Each

board supports either 8 or 16 stations. A precharge port is provided for board removal or insertion

without system power-down.

GCA40–130 DXP Plus General Description

14 – Reviewing The Hardware

3.4 Defining The Option Circuit Cards

Many of the DXP Plus boards accept smaller circuit cards. These boards mount directly into the DXP

Plus, while the optional circuit cards mount only onto boards. You can install these optional cards on

any of the following boards: the Auxiliary Board, the Services board, and the Interface boards.

Synchronization Card

— Adjusts the E1 or T1 transmit frequency to match the frequency from the CO. The

synchronization card mounts onto the Services board only.

Communications Card:

— The optional communications card provides extra serial ports for the DXP Plus. The

communications card contains four serial communication ports and is attached to either the

Auxiliary board, the interface boards, or the Services board. You can install two communications

cards onto the lower two slots of any of these boards. The system supports a maximum of 18

serial data ports.

DTMF Tone Card

— The DTMF Tone card expands the system’s industry-standard dialing capability. The system has

one IST DTMF receiver located on the services board while each DTMF card provides four

additional DTMF receivers.

DXP Plus General Description GCA40–130

Reviewing The Hardware – 15

3.5 Locating The Boards

Main Cabinet

The 14-board capacity of the main cabinet breaks down as follows from left to right:

1 – interface board slot

2 – board slots for future features)

1 – CPU board slot

1 – services board slot

1 – auxiliary/universal slot (for auxiliary boards, station boards, conference boards, or line boards)

8 – universal slots (for station, conference, or line boards)

Upper Expansion Cabinet

The 12-board capacity of the upper expansion cabinet breaks down as follows:

1 – interface board slot

2 – auxiliary/universal slot (for auxiliary boards, station boards, conference boards, or line boards)

9 – universal slots (for station, conference, or line boards)

Lower Expansion Cabinet

The 11-board capacity of the lower expansion cabinet breaks down as follows:

1 – interface board slot

2 – auxiliary/universal slot (for auxiliary boards, station boards, conference boards, or line boards)

8 – universal slots (for station, conference, or line boards)

GCA40–130 DXP Plus General Description

16 – Reviewing The Hardware

PLUS067A

1 Interface Slot

2 Aux./ Universal Slots

9 Universal Slots

1 Interface Slot

1 CPU Slot

1 Services Slot

1 Aux./ Universal Slot

8 Universal Slots

1 Interface Slot

2 Aux./ Universal Slots

8 Universal Slots

Main Cabinet

Lower Expansion Cabinet

Upper Expansion Cabinet

Figure 7: Board Locations

DXP Plus General Description GCA40–130

Reviewing The Hardware – 17

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Comdial DXP Plus Series User manual

Brand: Comdial

Model: DXP Plus Series

Category: IP phones

Type: User manual

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Comdial DXP Plus Series User manual

Comdial DXP Plus Series User manual

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