FRX Series
SDH Microwave Radio System
Introduction
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The Fujitsu FRX family is a proven SDH (Synchronous Digital Hierarchy) Microwave Radio System operating around the world,
and is an evolution from our earlier generation of FRX system. The FRX family has flexible housing applications, which are
suitable for deployment in a wide range of SDH networks; Rack-mount type (N+1) mainly for trunk links Compact IDU type (1+1) appropriate for spur and approach links Compact ODU type (1+0) appropriate for approach links and IP-Rings |
| Rack-mount Type (N+1) (600(W) x 300(D) x 2200(H) mm) |
Features
| The smallest SDH radio equipment in the world: Highest compact design to enable 7+1 radio systems per rack Easy installation and maintenance: Less No. of units with plug-in architecture/ sophisticated local craft terminal Seamless SDH network with fiber optic system and Integrated NMS Total solution with SDH multiplexer/Network Management System over CORBA Full coverage of frequency bands from 4 to 13 GHz |  |
| Compact IDU Type (1+1) (300(W) x 350(D) x 500(H) mm) | |
Advanced Technologies
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The main concept of designing the new FRX has been to retain or improve performance and functionality, to reduce size, weight
and to increase reliability still further. These objectives have been met by the extensive use of integration both in microwave
frequency circuits and in lower frequency circuits including STM-1 data processing, all of which are packaged in a Main Signal
Transmission Unit (MSTU). We have used very large-scale custom LSI devices in the equipment to employ pure digital techniques wherever possible, e.g. the whole part of the modulator, demodulator, transversal equalizers, and roll-off filters are fully digitally implemented. Therefore the radio performance is completely predictable and repeatable during manufacture, with no tricky analogue adjustments to be made. The equipment is very compact, and a fully equipped 7+1 system (a terminal with 7 working channels and 1 protection channel) can be accommodated in a single ETSI rack. We minimized the number of frequency dependent spares required by using wide-band techniques for the amplifiers and synthesized oscillators. This enables one MSTU to cover a complete half-band. As for installation by a customer, on arrival the equipment is ready for work, and traffic can flow immediately after primary power on. Also, when replacing a MSTU, no adjustment and provisional settings are required because all provisional settings data such as radio point frequency, transmit power output and wayside traffic usage are stored in a supervisory unit with back-up memory. And also no manual cable connection is needed because base band/RF connectors are fully plugged-in. |
| MSTU (53(W) x 283(D) x 480(H) mm) |
Network Management System
FLEXR-EC (Element Controller) is a Microsoft Windows 95 based laptop PC that can be connected directly to FRX family equipment as a craft terminal, or can remotely access the FRX family via SDH links. FLEXR-EC enables alarm conditions to be examined in detail, and enables the system to be configured by simple operation.
The new FRX family can be easily incorporated into Fujitsu's fiber optical SDH network, composed of a FLX series multiplexer. To prepare for the drastic growth of transmission capacity over IP, we can provide a range of core solutions as your backbone network. For these integrated networks of Fujitsu's Network Elements (NE), we have an enhanced network management system available, based on the Telecommunication Management Network (TMN) distributed architecture.
FLEXR-EM, the Fujitsu element layer manager, provides access to surveillance, control, and security functions for specific managed sub-networks. Element-level alarm surveillance, NE performance, and software download are among the features supported. FLEXR-NM, the Fujitsu network layer manager, supplies network-wide functions such as end-to-end path management, integrated topology, and network-level alarm surveillance. FLEXR-EM and FLEXR-NM systems are based on CORBA (Common Object Request Broker Architecture) and on managed object technology. New plug-in applications (e.g. Network planning, Trouble ticketing, Performance analysis, etc.) can be added without affecting service or visibility to the network.
Specifications
| Frequency Band(MHz) | U4 3803.5-4203.5 |
L6 5925-6425 |
L7 7125-7425 |
U7 7425-7725 |
L8 7725-8275 |
13 12750-13250 |
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|---|---|---|---|---|---|---|---|---|
| Modulation Type | 128QAM-MLCM | |||||||
| ITU-R Series Rec.No. | F.382-6 | F.383-5 | F.385-6 | F.385-6 | F.386-4 Annex-1 |
F.497-5 | ||
| Channel Spacing(MHz) | 29 | 29.65 | 28 | 28 | 29.65 | 28 | ||
| Protection System | Alternated | Rack-mount Type | 5+1 | 7+1 | 4+1 | 4+1 | 7+1 | 7+1 |
| Compact Type | 1+1 (IDU) / 1+0 (ODU) | |||||||
| Co-channel | Rack-mount Type | 2x(5+1) | 2x(7+1) | - | - | 2x(7+1) | - | |
| RF Output Power(dBm)(+/-1dB) | 32 | 32 | 32 | 32 | 32 | 27 | ||
| System Gain (Db) (Note) | 106 | 106 | 106 | 106 | 105.5 | 97.5 | ||
| Wayside | 2xN (N: Number of RF channels) | |||||||
| Frequency Band(MHz) | 4 3600-4200 |
5 4400-5000 |
U6 6430-7110 |
11 10700-11700 |
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|---|---|---|---|---|---|---|
| Modulation Type | 64QAM-MLCM | |||||
| ITU-R Series Rec.No. | F.635-4 Annex-1 |
F.1099-1 Annex-1 |
F.384-6 | F.387-7 | ||
| Channel Spacing(MHz) | 40 | 40 | 40 | 40 | ||
| Protection System | Alternated | Rack-mount Type | 6+1 | 6+1 | 7+1 | 7+1 |
| Compact Type | 1+1 (IDU) / 1+0 (ODU) | |||||
| Co-channel | Rack-mount Type | 2x(6+1) | 2x(6+1) | 2x(7+1) | 2x(7+1) | |
| RF Output Power (dBm) (+/-1dB) | 32 | 32 | 32 | 29 | ||
| System Gain (dB) Note | 108.5 | 108.5 | 108.5 | 104.5 | ||
| Wayside | 2 X N (N: Number of RF channels) | |||||
| Interface |
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|---|---|
| Service Channel |
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| SDH Management Network Facilities |
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| Primary Input Voltage |
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| Power Consumption |
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| Mechanical Dimensions (mm) |
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| Environmental Conditions |
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Note : This is a typical figure, excluding losses in the Branching Network Unit.
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