3One data 7304 Manual do utilizador - Página 3

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1. 1. 1. 1. Introduction

Introduction

MODEL7304 is a high-performance V.35 optic fiber modem developed by using a dedicated

integrated circuit. It is to modulate a N×64K V.35 data signal directly over single- or

multi-mode optic fiber for a transmission via optic cable line. At another end of the optic

cable, optical signal is demodulated into a V.35 data signal. V.35 interface may be directly

connected with the V.35 interfaces of image and data terminals or the WAN ports of MUX,

exchanger and router for a dedicated network setup or a LAN connection.

2. 2. 2. 2. Product

Product

Product Features

Features

Rate N×64Kbit/s (N=1～32)

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Support the loopback of local analog/digital interface

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Support remote loopback function

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Support pseudo-random code test function

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120km trunking -free transmission distance for single-mode optic fiber

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Capable to be communicated with FE1 Fiber Modem

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Available with complete line detection and alarm indications

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Available with independent structure and 19-inch Rack-mountable structure

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Rack-mountable structure can be inserted with 16 modules

AC 220V and DC –48V inputs may be selected for fiber optic modems of both structure

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For Rack-mountable fiber optic modems, dual power supply heat backup is provided to

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ensure a high operating reliability

3 3 3 3 . . . . Specification

Specification

Specifications s s s

Optic

Optic interface:

Optic

interface:

Line mode type: CMI

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Line mode rate: 2.048Mbps

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Operating wavelength:850nm,1310nm or 1550nm

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Optic fiber connector: SC/PC

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Applicable optic fiber: multi-mode, single-mode

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Transmission distance:

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Single-mode: up to 120km Multi-mode: up to 2km

V.35

interface

V.35

V.35 interface

V.35

interface

interface：

Data rate: N×64Kbps （N=1~32）

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Available with CTS/RTS (Hardware) flow control function

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Type of connector: M34 connector

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Operating mode: DCE

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Indicator lamps: To indicate the operating status of power supply, data receiving/sending,

loopback and random code test, code missing alarm, out-of-frame alarm

etc.

Structure

Structure：

Structure

Independent: 140mm(depth) x 210mm(width) x 42mm(height)

Page 3 of 11

MODEL7304 User Manual