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المعلومات الفنية

ISP إنترنت عبر الستالايت استقبال وإرسال لمزودي خدمة الإنترنت

			Table of Contents
1.	Glossary
2.	Introduction
3.	Description of services
	3.1.	General description
	3.2.	The TWO WAY ISP Services Portfolio
		3.2.1.	Special Service Requests
		3.2.2.	TWO WAY ISP - General product features
		3.2.3.	TWO WAY ISP – Additional Features
	3.3.	Standard Geographical scope of the TWO WAY ISP Service
	3.4.	Implementation times
	3.5.	Technical consultancy
4.	Pricing
	4.1.	Price components
5.	Customer (hardware) requirements
	5.1.	TWO WAY ISP remote site earth station requirements: Eutelsat Ku Band
	5.2.	TWO WAY ISP remote site earth station requirements: Intelsat C-Band
6.	Service Level Agreements (SLA)
	6.1.	Target Service Levels
	6.2.	Terms of delivery
	6.3.	Start Of Service

1 Glossary

DVB	Digital Video Broadcasting
CIR	Committed Information Rate, available 24/7
MIR	Maximum Information Rate
TV	Television
Upstream	From customer towards the Internet
Downstream	From the Internet towards the customer

2 Introduction

This document describes the MTMsat TWO WAY ISP product as well as its features, service levels and coverage.

MTMsat has started to operate a new range of IP Backbone Connectivity Services: TWO WAY ISP.

With these DVB based services, MTMsat introduces of a new range of Internet Access Solutions, which are flexible in bandwidth allocation, as well as in service levels and pricing, meeting the needs of a broad range of Customers.

The new TWO WAY ISP service offers flexible IP Backbone connectivity at a flat rate and is available on Ku-Band and C-Band, uplinking from and downlinking to Satellite Access facilities Burum, The Netherlands.

3 Description of services

3.1 General description
The TWO WAY ISP portfolio consists of three different services, each one tailored and priced to the needs of the Customer. Each service starts with a minimum downstream bandwidth of 512Kbps. The upstream bandwidth can principally be between 64 kbps and 4,375 Mbps.

The TWO WAY ISP Services include the following main elements:
·       A full Duplex, Simplex and/or Asymmetric satellite link between Burum and the remote customer earth station(s)
·       Satellite Access facilities via BizarNet’s earthstation in           Burum, The Netherlands
·       Multiple Tier 1 IP transit connectivity, directly to the US and European backbones
   ·       24hrs/365 days service monitoring and customer care
   ·       Point to Point, or Point to Multipoint

Figure 1-1: MTM's standard TWO WAY ISP service.

3.2 The TWO WAY ISP Services Portfolio
The TWO WAY ISP Services Portfolio consists of three standard services, as listed in the table hereunder. The services differ in Bandwidth and Contention ratios to burst.

· TWO WAY ISP Gold

· TWO WAY ISP Silver

· TWO WAY ISP Bronze

The customers bandwidth is provisioned at a Committed Information Rate (CIR), with a possibility to Burst to a higher capacity (The Maximum Information Rate: MIR), during peak traffic periods. The MIR is always twice the bandwidth of the CIR.

The Contention Ratio to Burst determines the type of service. (A Contention Ratio to Burst of 1:4, means a one in four chance that you can burst to the MIR, i.e. 25% chance to burst)

Service name	Service type	Burst Maximum	Maximum Information rates up to
TWO WAY ISP Gold	Contention Ratio to Burst 1:2	2 X Committed information rate	8 Mbps
TWO WAY ISP Silver	Contention Ratio to Burst 1:4	2 X Committed information rate	4 Mbps
TWO WAY ISP Bronze	Contention Ratio to Burst 1:6	2 X Committed information rate	2 Mbps

Bandwidth Example for a Silver Service 1.024Mbps Down / 0256Mbps Up:

Committed Information Rate

(Downstream)

Maximum Information Rate

(Downstream)

Contention Ratio to Burst

(from 0.512 to 1.024Mbps)

Upstream (dedicated SCPC)

0.512 Mbps (24/7 guaranteed)

1.024 Mbps

1:4

0.256 Mbps

All services are available on Ku and C-Band.

Fair use policy on Bursting:

In order to ensure that customers equally receive their burst within their service level, MTMsat applies a fair use policy to bursting.

If the monitored use of a customer is constantly above the contracted service level, the service level will either be upgraded, or the bandwidth use of the customer will be limited.

3.2.1 Special Service Requests
Special requests are requests of the customer that do not fall under the above-described standard services. MTMsat will process these requests as a project-delivery and a proposal will be send out per individual case.

3.2.2 TWO WAY ISP - General product features
· Broadband IP Backbone connectivity, point to point or point to multipoint

· Flexible bandwidth allocation, with an option to burst

· Full duplex, Simplex and Asymmetric topologies

· Upgradeable from 512Kbps to 45 Mbps

· Global, Multiple Tier 1 IP Transit connectivity

· 24/7 Monitoring, Control and Customer car

· One hop from Amsterdam Internet Exchange

· Latest DVB technology

· Ku – and C-band Coverage in Europe, Middle East, Central Asia and Northern Africa

· Contract terms of 0,5Y/1Y/2Y/

3.2.3 TWO WAY ISP – Additional Features
· National and International fiber links

· Housing/hosting

3.3 Standard Geographical scope of the TWO WAY ISP Service
The standard TWO WAY ISP services are available on C-band as well as Ku-band. The satellites that are currently used for the standard service are the Intelsat 904 (C-band) and the Eutelsat Sesat (Ku-band).

The Satellites Used

Eutelsat Sesat

Coverage country's (tarile acoperite): Greece, Yugoslavia, Romania, Bulgaria, Croatia, Slovenia, Turkey, Morocco, Algeria, Tunisia, Libya, Egypt, Saudi Arabia, UAE, Iran, Georgia, Azerbaijan, Kazakhstan, Russia, Ukraine, Moldavia, Albania, Macedonia EIRP value. Dish size in cm.

EIRP value.	Dish size in cm.
38 dBw	270 cm
40 dBw	240 cm
43 dBw	120 cm
45 dBw	107 cm
47 dBw	85 cm
48 dBw	75.5 cm

Intelsat 904

Coverage country's (tarile acoperite): Armenia, Azerbaijan, Kazakhstan, Kyrgyzstan, Russia, Tajikistan, Turkmenistan, Uzbekistan, Pakistan, Bahrain, Iran, Iraq, Qatar, Saudi Arabia, UAE, Kuwait, Oman

3.4 Implementation times
Delivery time will be mutually agreed upon between Customer and MTMsat. Target lead-time for a two-way service is 5 weeks from signature of contract.

3.5 Technical consultancy
Consultancy consists of advice on techniques and hardware to be used by the Customer. Technical consultancy will be delivered for free in conjunction with a Gold contract. The consultancy will deal with operating requirements on equipment used by customer, especially on clocking and interoperability of (different) modem types.

Other types of consultancy can be given on service operation and service usage for the customer for a fixed fee per hour.

4 Pricing

Please contact your MTMsat account manager for pricing.

Prices of all service levels are at a flat fee per month, including burst capacity.

4.1 Price components
The MTMsat TWO WAY ISP service is divided into two price components:

· One time set up fee

· Monthly Recurring charges

One time installation charge

A one time set up fee for the delivery of the service is charged. This charge is USD 3000.

This charge includes:

             ·      Modem for SCPC return path < 512Kbps
          ·      Hardware set up on MTMsat side
          ·      Monitoring & Control setup
          ·      Project costs
          ·      Acceptance test 24hrs
          ·      In house cabling MTMsat side

Prices for the TWO WAY ISP service are in US dollars

The prices of the TWO WAY ISP services include:

          ·      Space segment
          ·      Satellite Access facilities Burum
          ·      Multiple Tier 1 IP Transit connectivity, to the US and European Backbone
          ·      24hr /365 days service monitoring and customer care
          ·      Unlimited download

The prices of the TWO WAY ISP services exclude:

          ·      One time installation charge
          ·      Remote customer dish
          ·      Customer hardware on remote site

5 Customer (hardware) requirements

5.1 TWO WAY ISP remote site earth station requirements: Eutelsat Ku Band
Table 5.1 shows the general specifications of the remote Ku-Band Earth Station’s Hardware. The Remote Earth Station will have to comply with these specifications in order to receive the TWO WAY ISP service in a good manner. MTMsat does not provide Earth Stations with the TWO WAY ISP service.

Table 5.1: specification guidelines remote Ku Band E/S for Two-way service (DVB/SCPC)

Satellite	Eutelsat SESAT
Antenna Dish Size	1.8m @ ≥ 46dBW EIRPs≥2.4m otherwise
Antenna RX Efficiency	65%
Antenna Off-Axis Gain	meeting ITU specifications
Transmit Approval	Eutelsat Approved
Receive Approval	N/a
System Noise Temperature	Based on 180 K clear sky temperature
LNB Type	DRO, PLL stabilized
LNB Input VSWR	2.5:1 or better
LNB LO Stability	not exceeding ±500kHz
LNB LO Phase Noise	not exceeding –65dBc/Hz @ 1kHz
DVB Compliancy	EN 301.192
HPA Phase Noise	low noise
HPA C/IM	Not to exceed 25 dB
Polarization Discrimination	35 dB

Modem needed for SCPC upstream path:

Comtech/EF data SDM 300L or a compliant Modem.

The modem must be capable of operating in the following mode for return channels transmitting less than 256 kbit/s:

Modem requirements	256 kbit/s	256 kbit/s
Modulation	QPSK	QPSK
FEC	7 / 8	7 / 8
Encoder	Sequential	viterbi + RS(225,205,10)

Table 5.1.1: TWO WAY ISP Remote Site Package Ku-Band within 46dBW contour

	Eutelsat SESAT
Antenna Non-penetrating mounts	ChannelMaster Type 1.8M RT PartNo: CM183
LNB	Norsat 4506C RX: 10.95 GHz – 11.70 GHz LO stability: ±500 kHz Noise figure: 0.6 dB LO phase noise: -65dBc/Hz @ 1 kHz
DVB Receiver	IPR-S1000 (Ipricot)
Block-Up Converter (Depending on where remote dish is located in footprint)	Norsat Block-Up Converter 1 Watt Norsat Block-Up Converter 2 Watt JRC Block-Up Converter 4 Watt
Modulator	ComtechEFdata SDM300L

Customer Earth Stations shall be Eutelsat approved for the two way service.

5.2 TWO WAY ISP remote site earth station requirements: Intelsat C-Band
Table 5.2 shows the general specifications of the remote C-Band Earth Station’s Hardware. Prospect’s Earth Station will have to comply with these specifications in order to receive the TWO WAY ISP service in a good manner.

Table 5.2: specification guidelines remote C-Band E/S for Two-way service (DVB/SCP

Satellite	Intelsat 904
Antenna Dish Size	2.4 meter in S/C +3 area 3.8 anywhere else
Antenna RX Efficiency	75% efficiency for 2.4m any Intelsat Approved for ≥ 3.8m
Antenna Off-Axis Gain	20 dB at 1.75° off-axis angle for RX
Transmit Approval	Intelsat Approved
Receive Approval	n/a
System Noise Temperature	see other specifications
LNB Type	DRO, PLL stabilized
LNB Input VSWR	2:1 or better
LNB LO Stability	£ ±500kHz
LNB LO Phase Noise	£ –65dBc/Hz @ 1kHz
DVB Compliancy	EN 301.192
HPA Phase Noise	IESS 308/309 compliant
HPA C/IM	³ 25 dB
Polarization Discrimination	³ 35 dB

Modem needed for SCPC upstream path: Comtech/EF data SDM 300L or a compliant Modem.

The modem must be capable of operating in the following mode for return channels transmitting less than 256 kbit/s:

Modem requirements	256 kbit/s	256 kbit/s
Modulation	QPSK	QPSK
FEC	7 / 8	7 / 8
Encoder	Sequential	viterbi + RS(225,205,10)

Table 5.2.1: TWO WAY ISP Remote Site Package C-Band

	Intelsat 904
Antenna	ChannelMaster Type 243 TR C-band Includes pole mount and feed. PartNo: CM243
LNB	Norsat 8515 LNB LO stability: ±500 kHz Noise temperature: 15 K LO phase noise: -65dBc/Hz @ 1 kHz
DVB Receiver	IPR-S1000 (Ipricot)
Block Up-Converter (Depending on where remote dish is located in footprint)	Advantech SSPB-1000C Series *5, 10, or 16 Watt*
Modulator	ComtechEFdata SDM300L

Customer Earth Stations shall be Intelsat Approved for the two way service

6 Service Level Agreements (SLA)

6.1 Target Service Levels

TWO WAY ISP	Ku-Band		C-band
Service Item	Receive only	Two way	Receive only	Two way
Availability (in % of time of year) - LES MTMsat - DVB outbound Carrier - SCPC return channel Carrier	99.95% 99.6% n.a	99.95% 99.6% 99.8%	99.95% 99.9% n.a.	99,95% 99.9% 99.9%
Bit Error Rate	£10(-9)	£10(-9)	£10(-9)	£10(-9)
Response times	30 min mon – fri 0800-1700hrs CET 90 min. otherwise	30 min mon – fri 0800-1700hrs CET 90 min. otherwise	30 min mon – fri 0800-1700hrs CET 90 min. otherwise	30 min mon – fri 0800-1700hrs CET 90 min. otherwise
Mean Time to repair	90% of the unplanned service disruptions within two (2) hours and the remaining 10% within four (4) hours of their occurrence	90% of the unplanned service disruptions within two (2) hours and the remaining 10% within four (4) hours of their occurrence	90% of the unplanned service disruptions within two (2) hours and the remaining 10% within four (4) hours of their occurrence	90% of the unplanned service disruptions within two (2) hours and the remaining 10% within four (4) hours of their occurrence
Customer care	24/7	24/7	24/7	24/7
Fault detection	Pro-active	Pro-active	Pro-active	Pro-active

Outside the scope of these service levels:

Failure caused by:

· Customer equipment

· Sun interference

· Degradation or loss of the satellite link due to actions of the satellite operator

· Circumstances beyond MTMsat’s control, such as force majeur and other occurrences and effects that could not be encountered by measures and/or means reasonably available in normal conditions

· Planned maintenance

6.2 Terms of delivery
Responsibility

MTMsat is not responsible for delay caused by the satellite operator and or by the Customers earth station.

6.3 Start Of Service
Service will start after the acceptance test is completed.

Appendix 1: Example of a FlexIP two-way service transmit/receive terminal
A transmit/receive terminal for FlexIP two-way services is depicted as follows:

	Eutelsat Sesat Ku-Band	Intelsat IS904 C-Band
Dish size	2.4 meter	2.4 or 3.8 meter
Figure of Merit (G/T)	24.6 dB/K or better	Intelsat F1 standard (22.7 dB/K or better)
LNB	100 kHz stability preferably PLL stabilized e.g. Norsat	100 kHz stability preferably PLL stabilized e.g. Norsat
IP/DVB receiver	Ipricot S1000/S1100	Ipricot S1000/S1100
Transmit modulator	SDM300L for L-band input or SDM300A for IF input	SDM300L for L-band input or SDM300A for IF input
Transmit power receiver	L-band input or IF input	L-band input or IF input
Transmit power amplifier	8 Watt at 0 G/Tsat for up to 512 kbit/s	5 – 20 Watt at nominal coverage
HPA C/IM	= 20 dB	= 20 dB
Approval	Eutelsat	Intelsat
Transmit cable length KU or C-band part	As small as possible, preferably 1 m	As small as possible, preferably 1 m
Router	Cisco Systems eg. CISCO2612 + WIC-1T	Cisco Systems eg. CISCO2612 + WIC-1T
Router LAN ports	2x FE	2xFE
Router WAN ports	1x DB60 V35 serial WAN	1x DB60 V35 serial WAN

In a drawing a transmit/receive terminal looks like the following:

- TWO WAY ISP equipment
- TWO WAY ISP monthly prices
- Coverage

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