Hfc m home installation

1

Broadband System Broadband System -- MM

Customer’s Installation.Customer’s Installation.

Satellites are spaced every

2nd degrees above earth

TVTRANSMITTER

Cable area

"C" Band

Toward satellite 6.0 GHz

Toward earth 4.0 GHz"L" Band

Toward satellite 14.0 GHzToward earth 12.0 GHz

Headend

2

Headend

15 km

Fiber section2.0 km

Coaxial section

35

This section will coverts equipmentThis section will coverts equipmentss required between these two points.required between these two points.

Customer’s InstallationCustomer’s Installation

3

Customer’s InstallationCustomer’s Installation

4

Customer’s InstallationCustomer’s Installation

5

Customer’s InstallationCustomer’s Installation

6

Customer’s InstallationCustomer’s Installation

7

Customer’s InstallationCustomer’s Installation

8

Customer’s InstallationCustomer’s Installation

9

Customer’s InstallationCustomer’s Installation

10

Response of a High Pass Filter for none Cablemodem installation.Response of a High Pass Filter for none Cablemodem installation.

5 50 1000 MHz

This High Pass Filter is often installed at all the customer preThis High Pass Filter is often installed at all the customer premise, where mise, where

no Cablemodem service is required. This help keep the return sysno Cablemodem service is required. This help keep the return system free tem free

of Ingress, coming from customer.of Ingress, coming from customer.

Customer’s InstallationCustomer’s Installation

11

Customer’s InstallationCustomer’s Installation

12

Customer’s Installation Material.Customer’s Installation Material.

13

Customer’s Installation Material.Customer’s Installation Material.

14

Technical specifications of the two drop cable used in a BroadbaTechnical specifications of the two drop cable used in a Broadband System;nd System;

RGRG--5959

MHzMHz dB100’dB100’

55 0.860.86

5050 1.951.95

450450 5.405.40

550550 5.955.95

750750 6.976.97

870870 7.537.53

RGRG--66

MHzMHz dB100’dB100’

55 0.580.58

5050 1.531.53

450450 4.404.40

550550 4.904.90

750750 5.655.65

870870 6.116.11

RGRG--77

MHzMHz dB100’dB100’

55 0.470.47

5050 1.191.19

450450 3.463.46

550550 3.853.85

750750 4.574.57

870870 4.944.94

RGRG--1111

MHzMHz dB100’dB100’

55 0.380.38

5050 0.920.92

450450 2.752.75

550550 3.043.04

750750 3.653.65

870870 3.993.99

Above specifications are at 68 Degree F.Above specifications are at 68 Degree F.

Customer’s Installation Material.Customer’s Installation Material.

15

Customer’s Installation Material.Customer’s Installation Material.

16

Customer’s Installation Material.Customer’s Installation Material.

17