ZyXEL Communications U-1496 series Spezifikationen PDF herunterladen (Seite 5)

INTRODUCTION / DESCRIPTION AE/LZB 119 1889 R1A

INTRODUCTION

The Site Interface Module (SIM), when used with

GETCs with Enhanced Features enabled, adds enhanced

features to a Basic EDACS repeater site or an EDACS

SCAT site, by providing an interface that allows the site to

be connected to a System Manager. The resulting Basic E/S

system provides more features than a Basic EDACS system,

but less features than with a Site Controller. The SIM

allows activity reports and alarm information to be sent from

the site to the System Manager, and allows the

reconfiguration of the system configured GID database by

the System Manager.

Information for the installation and maintenance of the

SIM is included in this manual. Additional information may

be obtained from one or more of the following related

manuals:

• •

LBI-38636

MASTR

III Base Station

Installation Manual

• •

LBI-38775

MASTR

III Base Station

Maintenance Manual

• •

LBI-30246

12/24 VDC Fuse Panel

Maintenance Manual

• •

LBI-38550

Base Station Power Supply

Maintenance Manual

• •

LBI-38987

EDACS

SCAT/Downlink GETC

Configuration Manual

• •

LBI-38988

EDACS

Station GETC

Configuration Manual

• •

LBI-38894

GETC Trunking Card

Maintenance Manual

• •

LBI-38822

GETC Turbo Board

Maintenance Manual

• •

LBI-33031

Modem

Maintenance Manual

• •

LBI-38984

EDACS

System Manager

User’s Guide

If you are unable to resolve a problem or need

additional technical assistance, contact the Ericsson

Technical Assistance Center (TAC) at the number shown on

the last page of this manual.

DESCRIPTION

HARDWARE

The SIM option consists of a SIM Shelf, a SIM Modem

Shelf (when needed), a DC Fuse Panel (when needed), and

the necessary interconnect cables. The SIM Shelf consists

of a 19-inch wide by 3.5-inch high (2 RU) rack-mounted

chassis, containing a Backplane, Power Module, and

Controller Module. The Backplane connects the Power

Module to the Controller Module, and supports the

connectors for all permanent inputs and outputs to other

equipment. The Power Module supplies ± 12 Vdc and + 5

Vdc to the Controller Module.

The Controller Module consists of a frame supporting

the SIM Interface, Controller, and SIM Display boards. The

SIM Interface Board is used as the interface between the

Controller Board and the serial ports on the Backplane (to

the Downlink, System Manager, and the GETC BSL). Two

additional serial ports are available on the front of the

Controller Board, for reconfiguring parameters in the

personality and for downloading new application software.

The Controller Board is used to accumulate activity

records for periodic downloading to the System Manager, to

receive alarm messages from the GETCs and report them to

the System Manager, and to receive reconfiguration

information from the System Manager and send it to the

Control Channel GETC (or SCAT GETC).

The SIM Display Board is a small circuit board that

plugs into the front of the Controller Board. The Display

Board contains a two-line (eight characters per line) LED

display and is used to alternately display various information

(such as time and date) to indicate that it is operating

normally.

The SIM Modem Shelf consists of a 19-inch wide by

3.5-inch high (2 RU) rack-mounted chassis, containing a

modem for the connection to the System Manager (when

needed) and a DC power supply for the SIM (when needed).

The DC Fuse Panel consists of a 19-inch wide by 3.5-

inch high (2 RU) rack-mounted panel used as a power

distribution point for the SIM option at a DC-powered site.

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