ZETRON 2000 Series Manual de usuario descargar pdf (Pagina 3)

PAGING TRANSMITTER INTERFACE

The paging transmier interface is accomplished through the

Radio Staon card plugged into the Series 2000 chassis. The

Radio Staon card is quite versale and can be adapted to

many dierent transmier control applicaons. Consult Zetron

for specic applicaons.

Direct Transmitter Control

For direct control of a paging transmier, digital outputs from

the Radio Staon card can modulate the FSK (frequency

shi keying) input of the paging transmier and change its

modulaon between analog (AC) and digital (DC) modes.

Remote Transmitter Control

The Series 2000 paging terminal is capable of controlling

remote transmiers by encoding the paging site address,

analog/digital mode, and transmier key-up informaon as

audio tone informaon (Motorola PURC

tone protocol) and

sending the data over telephone lines, microwave or a radio

link.

Oponally, Zetron’s Model 66 Transmier Control panel can be

used at the transmier site for controlling transmiers that do

not support the PURC

protocol.

The Model 68 Transmier System Controller is an ideal

opon for providing cost eecve transmier control for

systems where high throughput is not an issue. The Model

VOICE MESSAGING WITH PAGESAVER

The PageSaver opon puts the most-asked-for features of

voice messaging/retrieval systems right inside your Zetron

paging terminal, eliminang expensive external voice

messaging systems. With PageSaver you can: rent voice

message boxes, insure voice and numeric pages by pung

them in message boxes so subscribers can replay them over

the phone, page subscribers when a message is deposited

in their message box, even oer special announcement

telephone numbers. Combining paging and messaging

simplies management, minimizes the number of phone lines,

and reduces overall cost.

PageSaver comes standard with 72 hours of voice storage,

available for all the dierent types of messages. The number,

length, and retenon me of each subscriber’s messages,

pages, and voice greengs can be tailored by the operator.

The Model 2200 can also be equipped with mirrored disk

drives which backup personal prompts in the event of a drive

malfuncon.

A terminal with the PageSaver opon allows each subscriber

any combinaon of the following opons:

Voice Message Box With Notify

This service beeps a subscriber’s pager every me a message is

deposited in their message box.

Voice Messagebox

Like a personal answering machine, a voice messagebox

records messages from phone callers for later phone retrieval

by the subscriber.

Announcement

Subscribers with or without pagers can record voice messages

that replay over their assigned telephone number.

Paging

This is tradional tone-only, tone-and-voice, and display

paging.

Paging With Insurance

If a subscriber misses or doesn’t understand a voice or numeric

page, they can phone in and hear it again.

Call Forward

A subscriber can have two pre-programmed numbers which

forward to another subscriber.

SIMULCAST THROUGH MODEL 600/620

The Series 2000 paging terminal can be interfaced to Zetron’s

High Speed Simulcast Paging System for ecient wide-area

paging coverage.

The High Speed Simulcast Paging System uses ming

informaon from the Global Posioning System (GPS) to

synchronize the transmission of digital paging signals to

very ght tolerances. This provides the microsecond ming

accuracy necessary for high-speed simulcast paging with

protocols such as POCSAG and FLEX®.

The system consists of the Model 600 Wireless Data

Manager (Source Unit) and mulple (up to 1000) Model

620 Wireless Data Encoders (Desnaon Units). The link

between the Source and Desnaon units may be any type (or

combinaon) of link that can reliably transport data. Designed

for nonproprietary transmiers, the system is ideal for cost

eecve build-out of new transmier sites for public or private

paging system operators.

Standard features include encoding for POCSAG (512, 1200

and 2400 baud) and basic FLEX (1600), support for up to

1000 desnaons with TNPP roung and zoning capabilies,

mulfrequency transmier control, Trimble Acume 2000

compable GPS interface, tradional two-level digital

transmier interface, and mulple user-denable input/

output ports. Oponal features include enhanced four-level

FLEX (3200 and 6400 baud) for the I20 transmier interface,

and support for other GPS devices.

68 allows a Series 2000 terminal with a single Radio Staon

card to selecvely address up to 16 links to transmiers and

transmier systems.

Shared Channel Support

Some paging channels are shared with co-channel carriers. In

these systems, it is necessary for the transmier sites to nofy

the paging terminal when the channel is clear for transmission.

The Radio Staon card recognizes the COR/CAS signal (from a

receiver monitoring the frequency). The paging terminal stores

and sends pages desned for that zone when the “busy signal”

is cleared.

Multiple Addresses

In low trac situaons, wide-area paging systems can be

designed to avoid the expense of simulcast equipment. By

arranging the geographical paging area into zones that do

not overlap, the paging terminal can select each zone in

sequence and reach all paging subscribers. With the Mulple

Address opon, up to 30 transmiers in a single zone can be

addressed.

Morse Code ID

The Radio Staon card sends the Morse code staon ID to

maintain FCC compliance.

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