AS 18/ASN 18Addendum

User manual

MN.00231.E - 003Volume 1/1

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AS 18/ASN 18 - MN.00231.E - 003 1

Summary

Section 1.AS 18/ASN 18CHARACTERISTICS 3

1 CHARACTERISTICS.................................................................................................... 3

1.1 FOREWORD ...................................................................................................... 3

1.2 CHARACTERISTICS ............................................................................................ 3

1.2.1 Versions ................................................................................................. 3

1.2.2 Available frequencies................................................................................ 4

1.2.3 Characteristics in Tx................................................................................. 5

1.2.4 Characteristics in Rx................................................................................. 6

1.2.5 Characteristics of power supply and consumption ......................................... 6

1.2.6 Hybrids .................................................................................................. 7

1.2.7 Flange of the waveguide ........................................................................... 7

1.2.8 Dimensions and weights ........................................................................... 7

Section 2.LIST OF TABLES 9

2 LIST OF TABLES ........................................................................................................ 9

2 AS 18/ASN 18 - MN.00231.E - 003

AS 18/ASN 18 - MN.00231.E - 003 3

Section 1.AS 18/ASN 18CHARACTERISTICS

1 CHARACTERISTICS

1.1 FOREWORD

The equipment is in compliance with the following standards.

EN 301 489-4 for EMC

ITU-R Rec. F595 and CEPT Rec. T/R 12-03 (go-return 1010 MHz) for RF channelling

EN 302 217 for fixed digital radio links

EN 300 132-2 power supply characteristics

EN 300 019 climatic characteristics (in operation: class 3.2 for IDU and class 4.1 for ODU; storing:class 1.2; transport: class 2.3).

EN 60950 for the operator safety

1.2 CHARACTERISTICS

The reported values are guaranteed if not specifically defined otherwise.

1.2.1 Versions

Two versions of ODU are available: ODU AS and ODU ASN. The two versions are similar. Differencies willbe pointed out.Regarding ODU ASN, the units without isolator have SIAE code GE9xxx, the units with isolator haveSIAE code GE8xxx.

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1.2.2 Available frequencies

- Frequency band from 17.7 to 19.7 GHz acc. to ITU-R F.595 and CEPT REC T/R 12-03

- Duplex Spacing (Go/Return) 1010MHz

- Modulation 4QAM Strong/4QAM/8PSK/16QAM/32QAM/64QAM/128QAM/256QAM

- Capacity and channel spacing see Tab.2

- Transceiver tuning interval 18 GHz band is divided in various subbands depending on Ge/Return (see Tab.1)

Tab.1 - RF frequency range

Tab.2 - Capacity and channel spacing

Tab.3 - Available channel frequencies for each subband filters

Frequency range: 17703 - 19686 MHz - Go-return: 1010MHzITU-R F.595 CEPT REC T/R 12-03 - f0=18700 MHz

Sub Band Low half limits (MHz) Upper half limits (MHz) RF filter tuning range

1 17703 - 18044 18713 - 19054

3302 18037 - 18374 19047 - 19384

3 18332 - 18676 19342 - 19686

Modulation typeChannel spacing (MHZ)

7 14 28 56

4QAMs 8.376 17.251 35.294 71.099

4QAM 10.44 20.782 41.609 82.752

8PSK 14.661 29.105 62.08 123.96

16QAM 21.044 41.532 82.661 165.168

32QAM 24.966 51.866 103.629 201.639

64QAM 31.428 62.171 124.267 240.04

128QAM 35.386 72.396 144.606 286.376

256QAM 41.708 85.138 169.95 341.131

Frequency range: 17703 - 19686 MHz - Go-return: 1010 MHzITU-R F.595 - CEPT T/R 12-03 - f0=18700 MHz

Sub band 1

Channel spacing (MHz)

Lower half of the band Upper half of the band Available channels

13.75 fn = f0-1000+13.75n fn = f0+10+13.75n n=1,...,24

27.5 fn = f0-1000+27.5n fn = f0+10+27.5n n=1,...,12

55 fn = fo-1000+55n fn = f0+10+55n n=1,...,6

Sub band 2

Channel spacing (MHz)

Lower half of the band Upper half of the band Available channels

AS 18/ASN 18 - MN.00231.E - 003 5

1.2.3 Characteristics in Tx

- Maximum output power in dBm see Tab.4

- Tx band see Tab.1 and Tab.3

- Tuning step depending on ITU-R/CEPT or in steps of 250kHz

- Maximum attenuation

- ODU AS 40dB in steps of 1dB (can be set via software)

- ODU ASN 20dB 1 in steps of 1dB (can be set via software)

- Attenuation accuracy

- range 0 3dB 1dB (2dB ASN)

- range 4 30dB 2dB

- range 31 40dB 3dB

- Automatic Transmit Power Control (ATPC)

- ODU AS 40dB in steps of 1dB

- ODU ASN 20dB in steps of 1dB

- Remote Transmit Power Control (RTPC)

- ODU AS 30dB (the amount of attenuation used for theRTPC reduces the ATPC range)

- ODU ASN 20dB (the amount of attenuation used for theRTPC reduces the ATPC range)

- Spurious in Tx according to ETSI EN 301 390

- Stability in frequency 5ppm, (10ppm with aging)

- Muting 60dB, related to maximum transmitted power

Tab.4 - Nominal output power in dBm (rated values at point C-C for 1+0 configuration)

13.75 fn = f0-1000+13.75n fn = f0+10+13.75n n=25,...,48

27.5 fn = f0-1000+27.5n fn = f0+10+27.5n n=13,...,24

55 fn = fo-1000+55n fn = f0+10+55n n=7,...,11

Sub band 3

Channel spacing (MHz)

Lower half of the band Upper half of the band Available channels

13.75 fn = f0-1000+13.75n fn = f0+10+13.75n n=47,...,70

27.5 fn = f0-1000+27.5n fn = f0+10+27.5n n=24,...,35

55 fn = fo-1000+55n fn = f0+10+55n n=12,...,17

1 In case of fade margin test other 15dB are available.

ODUModulation

Stability 4QAMs 4QAM 8PSK 16QAM 32QAM 64QAM 128QAM 256QAM

AS 23 23 23 21 21 19 19 18 1 dB a

ASN 23 23 23 21 21 19 19 18 2 dB b

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1.2.4 Characteristics in Rx

- Rx band see Tab.1 and Tab.3

- Sensitivity in dBm @10-6 at point C - C (1+0) see Tab.5

- Spurious in Rx according to ETSI EN 301 390

- Accuracy of Rx level indication over the whole temperature range (PC reading) 2dB in the range -22dBm threshold

- Maximum power in Rx for BER=10-6 -22dBm

- Damage Rx power +10dBm

- Residual BER (RBER) 1x10-12

Tab.5 - Guaranteed threshold (in dBm) for BER=10-6and for BER=10-10

Typical threshold is 2 dB lower.

1.2.5 Characteristics of power supply and consumption

- Power supply voltage (nominal -48 Vdc) -40.8 -57.6 Vdc 2

- ODU consumption 25 W (-48Vdc at the voltage)- IMAX and consumption see Tab.6

a. With ACM, the power stability for the reference modulation will be 1dB. With ACM, for the modulationschemes different than the reference one, the power stability will be +2/-1dB.

b. With ACM, the power stability for the reference modulation will be 2dB. With ACM, for the modulationschemes different than the reference one, the power stability will be +3/-2dB.

Channel spa-cing (MHz)

BER 4QAMs 4QAM 8PSK 16QAM 32QAM 64QAM 128QAM 256QAM

7BER=10-6 -92 -88 -86,5 -82,5 -80 -77,5 -76 -73

BER=10-10 -90 -86 -84,5 -80,5 -78 -75,5 -74 -71

14BER=10-6 -89,5 -87,5 -83,5 -81 -77,5 -75,5 -73 -70

BER=10-10 -87,5 -85,5 -81,5 -79 -75,5 -73,5 -71 -68

28BER=10-6 -86,5 -85 -79,5 -78 -74,5 -72,5 -70,5 -67,5

BER=10-10 -84,5 -83 -77,5 -76 -72,5 -70,5 -68,5 -65,5

56BER=10-6 -84 -82,5 -77 -76 -72,5 -71 -68 -64,5

BER=10-10 -82 -80,5 -75 -74 -70,5 -69 -66 -62,5

2 -48.8 -72 Vdc is also available on request. The range -20.4 -28.8 is available with external DC-DCconverter

AS 18/ASN 18 - MN.00231.E - 003 7

Tab.6 - IMAX at the power supply connector and consumption with 1/4 IDU-ODU cable (300m long)

In ALCplus2 1+1 (all version) the two power connectors are in parallel.

1.2.6 Hybrids

The ODU units of a 1+1 system with single antenna are coupled to the antenna by means of an hybrid,available in different versions, whose branching losses are listed here below.

- 1+1 hot stand-by

- balanced hybrid Tx losses 4 dBRx losses 4 dB

- unbalanced hybrid Tx losses 1.7/7 dBRx losses 1.7/7 dB

- 1+1 freq. div. (only with double polariz. antenna) negligible losses

- 1+1 with double antenna negligible losses

- 2+0 with double antenna negligible losses

1.2.7 Flange of the waveguide

- Type of flange of the waveguide (radio side): UBR 220

1.2.8 Dimensions and weights

- Physical size of system components see Tab.7

IDUIMAX

(Full equipped)Consumption

(Full equipped)

ALplus2 1+0 1.7A 68W

ALplus2 1+1 1.8A 100W

ALCplus2 1+0 1.42A 56W

ALCplus2 1+1 2.15A 89W

ALCplus2 16E1 1+0 1.5A 59W

ALCplus2 16E1 1+1 2.23A 91W

ALCplus2 32E1 1+0 1.55A 60W

ALCplus2 32E1 1+1 2.3A 92W

ALCplus2 Nod 1+0 1.52A 62W

ALCplus2 Nod 1+1 2.33A 95W

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Tab.7 - Physical size of system components

- Weight of system components

- ODU 1+0 ASN ODU/AS ODU versions 4.5 kg/5.5 kg

- ODU 1+1 ASN ODU/AS ODU versions 13.3 kg/15.3 kg

- Panning systen 1+0/1+1 4.4 kg.

Width (mm) Height (mm) Depth (mm)

ODU 1+0 ASN ODU version 254 254 114

ODU 1+0 AS ODU version 254 254 154

ODU 1+1 ASN ODU version a

a. Including passive hybrid

278 254 296

ODU 1+1 AS ODU version a. 358 254 296

AS 18/ASN 18 - MN.00231.E - 003 9

Section 2.LIST OF TABLES

2 LIST OF TABLES

Tab.1 - RF frequency range ............................................................................................. 4

Tab.2 - Capacity and channel spacing ................................................................................ 4

Tab.3 - Available channel frequencies for each subband filters............................................... 4

Tab.4 - Nominal output power in dBm (rated values at point C-C for 1+0 configuration).......... 5

Tab.5 - Guaranteed threshold (in dBm) for BER=10-6and for BER=10-10 ..........................................6

Tab.6 - IMAX at the power supply connector and consumption with 1/4 IDU-ODU cable (300m long)7

Tab.7 - Physical size of system components ........................................................................ 8

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AS 18/ASN 18SummarySection 1. AS 18/ASN 18 CHARACTERISTICS1 CHARACTERISTICS1.1 FOREWORD1.2 CHARACTERISTICS1.2.1 Versions1.2.2 Available frequencies1.2.3 Characteristics in Tx1.2.4 Characteristics in Rx1.2.5 Characteristics of power supply and consumption1.2.6 Hybrids1.2.7 Flange of the waveguide1.2.8 Dimensions and weights

Section 2. LIST OF TABLES2 LIST OF TABLES