Televes dCSS NevoSwitch 5

5 Eingänge - 2 Ausgänge, für 1 Satellit (Quattro) oder 2 Satelliten (WideBand)

Product Overview

The dCSS NevoSwitch 5 is a cascadeable multiswitch with 5 inputs (1 passive terrestrial and 4 SAT) and 2 dCSS/dSCR outputs. It supports both SCR I (EN50494) and SCR II (EN50607) standards, as well as "Legacy Mode", allowing compatibility with both new and existing receivers. The four satellite inputs can be configured for receiving 1 satellite (Quattro mode) or 2 satellites (WideBand mode).

In dynamic mode, all transponders from a single satellite can be received, enabling up to 16 users per output via a single cable (according to EN 506+D1607).

Featuring the exclusive DCFLEX functionality, the multiswitch offers flexibility in powering the system from various sources. The DC LINK switch allows the multiswitch to be isolated from the cascade's power supply or not.

Key Features and Specifications

Outputs: 2 outputs for up to 16 users per output.
Powering Options (DCFLEX): Can be powered via a power supply, SAT lines, or receiver outputs.
Integration: Easy integration into existing installations. Disabling the SAT DC LINK allows local powering of the multiswitch (via PSU or STB) without loading the cascade.
Enhanced Security: Increased safety for receivers when multiswitches are disconnected from the cascade's power supply (RECEIVER POWER OFF). When the switch is ON, connected receivers power the multiswitch.
TERR.DC Switch: This switch disconnects or connects the power supply from the cascade in the terrestrial path, useful for powering a mast amplifier, an intelligent antenna, or terrestrial branches of other multiswitches in a cascade.
Compatibility: 12V to 18V power consumption makes it compatible with many market systems.
Low Power Consumption: Economical operation (Receiverpowered).
TFORCE Technology: Utilizes Televes' TFORCE technology for intelligent terrestrial signal level adjustment.
Compact Design: Very compact with excellent shielding (Class A cast housing).
Color-Coded Inputs: Inputs and loop-through outputs are color-coded.
Flexibility: Flexible due to switchable termination resistors for individual or cascade switches.

Technical Data

Reference Number: 719311

EAN13: 8424450297841

Physical Data:

Net Weight: 400.00 g
Gross Weight: 470.00 g
Width: 137.00 mm
Height: 121.00 mm
Depth: 45.00 mm
Component Weight: 400.00 g

Frequency Range:

Terrestrial: 47-862 MHz
SAT: 950-2150 MHz (Quattro) / 290-2340 MHz (WideBand)

Number of Inputs: 2

Number of Outputs: 2

Terrestrial Input: Passive

SAT Input: 4 (Quattro or WideBand)

Insertion Loss:

Terrestrial: ≤ 1 dB
SAT: ≤ 1.5 dB

Isolation:

SAT-TERR: ≥ 20 dB
TERR-TERR: ≥ 20 dB
SAT-SAT: ≥ 20 dB

Max. Current Consumption (TERR. Amp.): 160 mA

Max. Current Consumption (SAT): 160 mA

Max. Current Consumption (dCSS/SCR): 500 mA

Max. Current Consumption (Receiver): 500 mA

Max. Total Current on SAT Lines: 700 mA

Shielding Factor: ≥ 10

Understanding dCSS Technology

dCSS (Digital Channel Stacking Switch) technology is an advancement of SCR (Satellite Channel Router) technology. SCR, developed in 2004, allows the distribution of signals from one or more satellites to multiple users via a single coaxial cable, using static or dynamic user band allocation and DiSEqC commands for satellite signal tuning. The SCR standard (EN50494) supports up to 8 user bands within the satellite IF band (950 MHz-2150 MHz).

dCSS technology, with the standard EN50607, introduces significant improvements, allowing signals from multiple satellites to be distributed to up to 32 receivers connected to a single cable outlet.

dCSS technology is backward compatible with SCR and can be used in various applications, including single or multi-user reception systems in tree structures, and static or dynamic operating modes. It can also be combined with fiber optic distribution to extend the reach of satellite distribution.

WideBand Technology

WideBand (or FullBand) technology is a broadband transmission technique that utilizes a wide frequency range. WideBand TV systems provide users with access to a large portion or the entire frequency spectrum. This technology can be used with fiber optic systems for long cable runs or in pure coaxial systems with multiswitches adapted to this technology.

In WideBand technology, an LNB captures a complete satellite signal and distributes it via two universal outputs (vertical -V- and horizontal -H-), each with a combination of High- (H) and Low-Band (L), within a frequency range of 290 to 2340 MHz.

Compared to the widely used Quattro technology, WideBand technology offers significant advantages for installation:

Simpler, Faster, and Cleaner Installation: WideBand technology requires half the number of coaxial cables to connect the LNB to the multiswitches compared to conventional Quattro systems, making installation faster and easier, and resulting in a tidier installation with fewer cables.
Larger Bandwidth: WideBand channels can transmit more information due to their large bandwidth (290-2340 MHz), enabling a greater number of services for end-users.
Reuse of Existing Materials: WideBand technology allows signal distribution by reusing a Quattro installation. Signals can be distributed over the existing 4 cables from the roof to capture signals from up to 2 satellites, requiring only the replacement of LNBs and multiswitches to be WideBand compatible.

Application Examples

dCSS Installation (2 Satellites)

Both WideBand LNBs and the multiswitch are powered by a single 1.5A power supply.

Diagram Description: A diagram shows two satellites, LNBs (WIDEBAND LNB A, WIDEBAND LNB B), a 1.5A PSU, and a dCSS NevoSwitch 5 multiswitch. Cables connect the LNBs to the multiswitch inputs. The multiswitch outputs are connected to dCSS STBs. The diagram illustrates DC flow from the PSU to the multiswitch and LNBs.

dCSS Cascade Installation with Distributed Satellite Power Supply (2 Satellites)

Both WideBand LNBs, the terrestrial line, and the last dCSS multiswitch are powered by a 3A power supply. The SAT lines of other dCSS multiswitches in the cascade are powered by connected dCSS STBs, eliminating the need for separate power supplies.

Diagram Description: A diagram shows two satellites, LNBs, a 3A PSU, a dCSS NevoSwitch 5 multiswitch, and subsequent multiswitches in a cascade. The diagram illustrates DC flow from the PSU to the initial multiswitch and LNBs, and from the STBs to the subsequent multiswitches.

Complete dCSS Cascade System in an FTTH Installation (2 Satellites)

A cascade of dCSS multiswitches is realized for each application of optical-electrical conversion. The devices in the cascade can be powered in various ways:

Centralized: All multiswitches in the cascade, the optical receiver, and the terrestrial and satellite lines are powered by a single 3A power supply. The STB receivers are DC-isolated from the cascade and protected against overcurrent.
Distributed: A 1.5A power supply powers the last multiswitch and the entire terrestrial main line, while the SAT lines of the other dCSS multiswitches in the cascade are powered by connected dCSS STBs. The optical receiver is powered by its own power supply.

Diagram Description: A diagram illustrates a complete dCSS cascade system in an FTTH installation with two satellites. It shows satellites, LNBs, a 3A PSU, multiple dCSS NevoSwitch 5 multiswitches in a cascade, and dCSS STBs. Different DC flow paths are indicated: from main PSUs, from amplifier PSUs, and from each STB.

Power Supply Configurations

The multiswitch can be powered in three ways:

1) Power Supply via the Mains Adapter

Configuration: TERR.DC – OFF, RECEIVER POWER – OFF, SAT DC LINK – OFF
- Power is NOT supplied via the receivers.
- Power is NOT supplied via the SAT lines (V-LOW, H-LOW, V-HIGH, H-HIGH).
- The terrestrial line is NOT supplied with power.
Configuration: TERR.DC - OFF, RECEIVER POWER – OFF, SAT DC LINK – ON
- Power is NOT supplied via the receivers.
- SAT lines ARE supplied with power.
- The terrestrial line is NOT supplied with power.
Configuration: TERR.DC - ON, RECEIVER POWER – OFF, SAT DC LINK – ON
- Power is NOT supplied via the receivers.
- SAT lines ARE supplied with power.
- The terrestrial line (trunk) IS supplied with power.

2) Power Supply via the Receiver

Configuration: TERR.DC – OFF, RECEIVER POWER – ON, SAT DC LINK – OFF
- Power IS supplied via the receiver.
- Satellite connection is NOT supplied.
- Terrestrial connection is NOT supplied.
Configuration: TERR.DC - OFF, RECEIVER POWER – ON, SAT DC LINK – ON
- Power IS supplied via the receiver.
- SAT lines ARE supplied with power.
- Terrestrial connection is NOT supplied.

3) Power Supply via Satellite Lines (V-LOW, H-LOW, V-HIGH, V-HIGH, H-HIGH)

Configuration: TERR.DC – OFF, RECEIVER POWER – OFF, SAT DC LINK – ON
- Power is NOT supplied via the receivers.
- The SAT line is NOT supplied, but power IS supplied via the connection.
- Terrestrial connection is NOT supplied.

Functionalities

The document outlines various functionalities and configurations for the dCSS NevoSwitch 5, detailing power supply methods and switch settings for different operational scenarios, including cascade installations and FTTH setups.

Technical Specifications Summary

The document provides detailed technical specifications including input/output numbers, frequency ranges for terrestrial and SAT signals (Quattro and WideBand), insertion loss, isolation levels between different signal paths, and maximum current consumption for various components and configurations.

For more information, visit: https://www.televes.com

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