I 1. Kobra BROADBAND. Optical broadband platform
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1 I 1 Kobra BROADBAND Optical broadband platform
2 2 I Kathrein I Company Portrait Who we are and what we stand for Kathrein is a leading international specialist for reliable, high-quality communication technologies. We are an innovation and technology leader in today s connected world. Our ability to provide solutions and systems enables people all over the world to communicate, access information and use media, whether at home, at the office or on the road. We cover a broad spectrum: from mobile communication, signal enhancement and data transmission in buildings, to fibre optic and cable networks and satellite reception technology, to radio and TV transmission and transmission and reception systems in vehicles. As a hidden champion and family-owned enterprise, we have been working on the technologies of tomorrow since We take pride in our dedicated employees and our passion for customers and quality. Our Solutions MOBILE COMMUNICATION INDOOR SAT BROADBAND BROADCAST AUTOMOTIVE Find out more about us at
3 KOBRA I Contents I 3 KOBRA System overview 4 KOBRA System platform 8 19" broadband platform for optical modules 8 Network element controller modules Ethernet 9 Optical transmitters 10 Directly modulated broadcasting transmitters, 1310 nm, extremely linear 10 Directly modulated broadcasting transmitters, nm, extremely linear 13 Directly modulated broadcasting transmitters, DWDM 16 Externally modulated transmitters, KOBRA module 18 Optical receivers 20 Optical return path receiver, 2-way 20 Optical return path receivers, 4-way 22 RFoG return path receiver, 4-way 24 Optical downstream receiver 26 Optical amplifiers 27 Optical amplifiers, YEDFA 27 Optical amplifiers, YEDFA 28 Other modules 29 Optical fibre switch 29 Broadband amplifier, MHz 30 19" rack 31 Optical amplifiers, YEDFA 31 Externally modulated transmitters 32
4 4 I KOBRA I System overview KOBRA Optical broadband platform In the form of the KOBRA system Kathrein offers a comprehensive broadband platform that covers all the requirements of optical transmission. A wide range of modular optical transmitters, amplifiers and return path receivers is supplemented by separate device in 19" rack-mounting form. The basis for this is the KBP 4000R 19" broadband platform with a total of 16 module slots. It is already equipped with two redundant power supply and fan units for reliable operation. The scope of supply also includes a plug-in control unit with LC display, status LEDs and input buttons. In the rear part of the platform a bus system provides for the connection of the modules to the 24 V DC power supply, the RS 485 remote monitoring and control interface and management via the control unit. The broadband platform uses four height units and can also be adapted for ETSI cabinets. When used in hubs, for example, the broadband platform can also be used in a 48 V DC version (KBP 4048R).
5 KOBRA I System overview I 5 Comprehensive management and monitoring options permit flexible and reliable operation in any network configuration. The plug-in control unit supplied in the basic configuration can make all the settings required by the equipment. The network element controller module Ethernet (NCM 10) plays a central role here. On the one hand, it sets up the connection from the control unit to all plugged-in modules via the RS 485 bus. One NCM 10 can manage up to three fully equipped KBP 4000R or 4048R broadband platforms. On the other hand, it converts the RS 485 data into SNMP/ Ethernet and Web browser/ethernet protocols. In this way all settings and queries can also be handled by a PC with a Web browser. In addition, it is possible to integrate the broadband platform into any HMS-compliant monitoring system, such as the KOM communication system from Kathrein. Together with the optical compact receivers from Kathrein, an optical distribution system that meet all requirements can be set up with the KOBRA broadband platform. As a result of the modular design and the wide-ranging selection of products that are available, all application cases ranging from a simple optical connection via classic HFC structures up to video distribution in FttH networks is possible and economically viable. Kathrein constantly develops its products further and expands its range of products. Further product variations are available on request. Features in overview Optical broadband platform for up to 16 modules Equipped with two redundant power supply and fan units Large selection of optical transmitters, amplifiers and return path receivers All optical and electrical connections at the rear panel, test sockets at the front panel Integration into any HMS-compliant monitoring system is possible Plug-in control unit with LC display, LEDs and input buttons Settings and management also via a Web browser RS 485 remote monitoring and control interface Management of multiple optical broadband platforms with one controller module is possible Automatic redundant operation of adjacent modules High reliability due to dust-tight modules and large cooling ribs Versions with mains voltage ( V AC) and direct current (36-72 V DC) Note: All data are typical values, unless stated otherwise. Installation height/construction: 19" rack with four height units (HU)
6 6 I KOBRA I System overview Functional and reliable Front view Rear view Platform The KOBRA optical broadband platform has a carefully thought out operation and management concept. Power supply units Redundant power supply units, in each case with duplicated fan units, ensure high reliability. If servicing is required, it is even possible to replace the power supply units even while the unit is running. Network element controller The central element is the network element controller Ethernet NCM 10. This module forms the interface to the RS 485 bus to which all the modules of the platform are connected. In addition, it sets up the connection to external management or monitoring systems, for example, via a Web browser or to HMS monitoring devices. In the last resort, it makes possible the local setting of all parameters via the control unit with the display and input buttons. The corresponding data is kept in decentralized form in the individual modules so that they can also be operated completely independently without the controller module after the commissioning Modules Slimline modules that in some cases have a double functional scope (e.g. return path receivers) ensure a high packing density. The small amount of space required increases the economic viability and makes it easier to expand later. The optical amplifiers only require two or three slots despite their very high output power. Test sockets All the test sockets are located on the front panel. This ensures good accessibility for tests and measurements. HF interfaces The optical and HF interfaces are located at the rear panel of the platform. This makes the wiring in 19" cabinets significantly easier. Cooling ribs Generously sized cooling ribs ensure a long working life for all active components. A further plus is the dustproof 7 configuration of all the modules. The cooling air only flows along the cooling ribs but not through the module itself. This virtually excludes any problems due to dust and dirt.
7 KOBRA I System overview I 7 System components System platform (incl. network element controller) from page 8 Optical transmitters from page 10 Optical receivers from page 20 Optical amplifiers from page 27 Other modules from page 29 19" 1-HU modules from page 31
8 8 I KOBRA I System platform 19" broadband platform for optical modules Features Up to 16 modules can be plugged into the broadband platform Equipped with two redundant power supply and fan units Power supplies can be plugged in and out during operation Plug-in control unit with LC display, status LEDs and input buttons Bus for: 24 V DC module power supply RS 485 remote monitoring and control interface Management for control unit Versions for V AC and 48/60 V DC available Automatic slot detection for plugged-in modules Design: 19" rack, four height units (HU) Can also be adapted for ETSI cabinets 19 module rack Redundant power supply 230 V AC/48 V DC Accessories Reserve power supply 230 V AC: KBP SV-230 (ON ) Reserve power supply 48 V DC: KBP SV-48 (ON ) Type KBP 4000R KBP 4048R Order no Input voltage range [V] AC: DC: Max. power consumption [W] < 240 < 240 Max. power consumption of the plugged-in modules W] < 192 < 192 Dimensions (W x H x D) [mm] 483 x 102 x x 102 x 476 Weight [kg] Note: A network element controller module Ethernet NCM 10 is required for setting with the control unit and for monitoring
9 KOBRA I System platform I 9 Network element controller modules Ethernet Features For the management and monitoring of active modules in the 19" broadband platform KBP 40xx Conversion of RS 485 data into SNMP/Ethernet and Web browser/ Ethernet protocols Interface to displays and input buttons of the front unit Automatic detection of all modules connected to the RS 485 bus Interface Ethernet 10/100 Mbit/s for SNMPv1 and Web Servers Flash microcontroller technology for quick and easy software updates via the Ethernet interface LEDs for status indication Low power consumption Monitoring / configuration WEB interface RS 485 SNMPv1 NCM 10 For all modules with connections at the rear panel NCM 20 For all modules with connections at the front panel Type NCM 10 NCM 20 Order no Number of slots in the KBP 40xxR 1 2 Power consumption [W] Weight [kg] Broadband platform Controller module The network element controller module serves as the interface to external input devices Note: One NCM 10 or NCM 20 can manage and monitor up to three broadband platforms KBP 40xxR
10 10 I KOBRA I Optical transmitters Directly modulated broadcasting transmitters 1310 nm, extremely linear, 1.2 GHz Features Optical-electrical conversion of the forward path signals DOCSIS 3.1-compatible Extremely linear, low noise DFB laser with predistortion technology Optical output power between +8 and 13 dbm Optical output level can be set 0 to -3 db (relative) Active narrowcast input (NC) with high decoupling from the broadcast signal (BC) Electronic setting elements for attenuation, slope, output level, optical modulation index (OMI) etc. Automatic load regulation for constant OMI RS 485 interface Optical interface: E-2000, 0.1 db version (other connectors available on request) Test socket for input signal Test socket for HF signal from the laser diode Extremely linear 1218 MHz DOCSIS 3.1-compatible 1310 nm AM-VSB, QAM BC IN OUTPUT TP1 BC IN TP2 RS 485 µc Block diagram
11 KOBRA I Optical transmitters I 11 Type OTA G2-E OTA G2-E OTA G2-E OTA G2-E Order no Nominal output level optical [dbm] Wavelength [nm] 1310 Setting range of the optical output level (relative) [db] 0 to -3 Optical return loss [db] > 45 HF frequency range Nominal input level (5 % OMI, Broadcast) [dbµv] 80 Nominal input level (5 % OMI, Narrowcast) [dbµv] 87 Level range (NC), can be set electronically [dbµv] Slope range (BC), can be set electronically [db] -3 to +16 Level range (NC), can be set electronically [dbµv] 80 to 92 Decoupling between BC and NC inputs [db] > 50 System performance CENELEC CSO (Cenelec 42, 0 dbm at the node) [db] 68 CTB (Cenelec 42, 0 dbm at the node) [db] 69 System performance full digital load Number of QAM subracks, 8 MHz, MHz 120 MER for 0-20 km optical fibre [db] 43 General data Return loss at 47 MHz [db] db/oct, > 15 Return loss 5-65 MHz [db] > 18 Impedance [Ω] 75 Power consumption (operation) [W] 12 Power consumption (standby) [W] 4 Weight [kg] 1.3
12 12 I KOBRA I Optical transmitters Directly modulated broadcasting transmitters 1310 nm, extremely linear Features Optical-electrical conversion of the forward path signals Extremely linear, low noise laser with predistortion technology Optical output power between 3 and 13 dbm Optical output level can be set 0 to -3 db (relative) Active narrowcast input (NC) with high decoupling from the broadcast signal (BC) Electronic setting elements for attenuation, slope, output level, optical modulation index (OMI) etc. Automatic load regulation for constant OMI RS 485 interface Optical interface: E-2000, 0.1 db version (other connectors available on request) Test socket for input signal Test socket for HF signal from the laser diode Extremely linear 1006 MHz 1310 nm AM-VSB, QAM Type OTA 1303X2-E OTA 1305X2-E OTA 1308X2-E OTA 1311X2-E OTA 1313X2-E Order no Nominal output level optical [dbm] Wavelength [nm] 1310 Setting range of the optical output level (relative) [db] 0 to -3 Optical return loss [db] > 45 HF frequency range [MHz] Nominal input level (5 % OMI, Broadcast) [dbµv] 80 Nominal input level (5 % OMI, Narrowcast) [dbµv] 87 Level range (BC), nominal input level, can be set electronically [dbµv] 73 to 97 Slope range (BC), can be set electronically [dbµv] -3 to +16 Level range (NC), can be set electronically [dbµv] 80 to 92 Decoupling between BC and NC inputs [db] > 50 CSO (Cenelec 42, 0 dbm at the node) [db] 68 CTB (CENELEC 42) [db] 69 Return loss at 47 MHz/5-65 MHz [db] /oct., > 15/> 18 Impedance [Ω] 75 Power consumption: operation/standby [W] 12/4 Weight [kg] 1.3
13 KOBRA I Optical transmitters I 13 Directly modulated broadcasting transmitter 1550 nm Features Optical-electrical conversion of the forward path signals Low noise laser with pre-distortion Optical output power: 8 dbm Electronic setting elements for attenuation, optical modulation index, sloping position, output power, pre-chirping etc. Automatic total load regulation for constant optical modulation index RS 485 port for monitoring Optical interface: E-2000, 0.1 db version HF interfaces: F sockets F test socket for input level SBS suppression and pre-chirping technology 1006 MHz AM-VSB, QAM Type OTA 1508X-E Order no Optical interface E-2000 Optical wavelength [nm] 1550 Optical output power, nominal [dbm] 8 Tolerance of the optical output power [db] ± 1.5 Optical return loss [db] > 45 HF frequency range [MHz] CNR with OMI = 4.1 %, P rx = 0 dbm, CENELEC ¹ ] [db] 51 CSO with OMI = 4.1 %, P rx = 0 dbm, CENELEC ¹ ] [dbc] 60 CTB with OMI = 4.1 %, P rx = 0 dbm, CENELEC ¹ ] [dbc] 62 Input level for OMI = 5 % [dbµv] Attenuation range, can be set electronically [db] 0-24 Return loss at 47 MHz [db] /oct., > 15 Return loss 5-65 MHz [db] > 18 Impedance [Ω] 75 Power consumption [W] 9 Test socket (output) [db] -20 Weight [kg] 1.3 1) 20 km fibre, optical receiver with 0 dbm input power, Iä=7 pa/ Hz
14 14 I KOBRA I Optical transmitters Directly modulated broadcasting transmitters 1.2 GHz, DWDM, C-band Features Converts the forward path signals electrically and optically DOCSIS 3.1-compatible Low noise and highly linear directly modulated DWDM laser with pre-distortion Wavelengths in accordance with the DWDM ITU-grid, can be set ± 100 GHz Optical output power: Typically 13 dbm, cooled laser Two HF inputs (BC Low/ High) to adapt to various level behaviour Electronic setting elements for attenuation, slope, output level, optical modulation index etc. Automatic total load regulation for constant optical modulation index RS 485 port HF interfaces: F sockets F test socket for input level Test socket for optical output level and HF signal SBS suppression and pre-chirping technology Available transmitting wavelengths: OTB G2-E: nm OTB G2-E: nm OTB G2-E: nm OTB G2-E: nm 1218 MHz DOCSIS 3.1-compatible DWDM AM-VSB, QAM Type OTB G2-E OTB G2-E OTB G2-E OTB G2-E Order no Optical interface E-2000 Optical wavelength [nm] Optical Output power, nominal [dbm] 13 Setting range optical output power [db] Relative Intensity Noise, RIN [dbc/hz] 0 to Optical return loss [db] > 45 Wavelength tolerance [nm] ± 0.1 Tolerance opt. Output power [db] ± 0.5 HF frequency range [MHz] 80 to 1218 Level setting range NC input [db] 0 to 12 Isolation NC input - BC input [db] > 50 Measuring output [db] -20 ± 1
15 KOBRA I Optical transmitters I 15 Nominal input level for OMI = 4.3 % (BC Low input) [dbµv] 72 (BC high input) [dbµv] 86 (NC input) [dbµv] 86 System performance CENELEC CNR only of the transmitter (OMI = 4.3 %, CENELEC) [db] 1) 51 CSO (OMI = 4.3 %, CENELEC) [db] 64 CTB (OMI = 4.3 %, CENELEC) [db] 65 Bit Error Rate, BER 10-9 System performance full digital load Number of QAM subracks, 8 MHz, MHz MER 0-20 km/0-25 km optical fibre [db] General Attenuation range, can be set electronically [db] Slope range, can be set electronically (cable equivalent) [db] / to +10 Return loss: 47 MHz [db] /oct., > 15 Return loss: 5-65 MHz [db] > 18 Impedance [Ω] 75 Power consumption operation/standby [W] 12/4 Test socket (output) [db] -20 Weight [kg] 1.3 Safety EN and EN Laser safety Laser class 1M in accordance with IEC EMC EN Environment (air-conditioned rooms) ETS ) 20 km non-dispersion shifted fibre, optical attenuation and optical receiver with 0 dbm input power, Iä = 7.0 pa/ Hz and 0.95 A/W (at 1550 nm)
16 16 I KOBRA I Optical transmitters Directly modulated broadcasting forward path transmitter DWDM Features Optical-electrical conversion of the forward path signals Low noise and highly linear directly modulated DWDM laser with pre-distortion Wavelengths in accordance with the DWDM ITU-grid, can be set ± 100 GHz Optical output power: Typically 8.5 dbm, cooled laser Two HF inputs (BC Low/High) to adapt to various level behaviour Electronic setting elements for attenuation, slope, output level, optical modulation index etc. Automatic total load regulation for constant optical modulation index RS 485 port HF interfaces: F sockets F test socket for input level Test socket for optical output level and HF signal SBS suppression and pre-chirping technology Available transmitting wavelengths: OTB 3108X-E: nm OTB 3308X-E: nm OTB 3508X-E: nm OTB 3708X-E: nm 1006 MHz DWDM AM-VSB, QAM INPUT INPUT (COUPLED) TP1 TP2 RS 458 µc OUTPUT Block diagram
17 KOBRA I Optical transmitters I 17 Type Order no. OTB xx08x-e x Optical interface E-2000 Optical wavelength [nm] See description Optical output power, nominal [dbm] 8.5 ± 1 Fine adjustment of the optical wavelength [GHz] ± 100 Setting range optical output power (additional attenuation) [db] 0 to 3 Optical return loss [db] > 45 HF frequency range [MHz] Frequency response MHz/ MHz ± 0.75/± 1.5 Input level for OMI = 5 % (BC Low input) [dbµv] Input level for OMI = 5 % (BC High input) [dbµv] Carrier to Noise Ratio (OMI = 4.1 %, 20 km fibre) [db] ¹ ) 51 CSO (CENELEC 42, OMI = 4.1 %, 20 km fibre) 47 to 600 MHz/ MHz [dbc] CTB (CENELEC 42, OMI = 4.1 %, 20 km fibre) 47 to 600 MHz/ MHz [dbc] Attenuation range, can be set electronically (broadcast input) [db] / Slope range, can be set electronically [db] -3 to +16 Return loss at 47 MHz [db] /oct., > 15 Return loss 5-65 MHz [db] > 18 Test socket (output) [db] -20 Impedance [Ω] 75 Power consumption (operation/standby) [W] 12/ 4 Weight [kg] 1.3 Operating conditions ETSI Class 3.1 (air-conditioned environments) 1) 20 km non-dispersion shifted fibre, optical attenuation and optical receiver with 0 dbm input power, Iä = 7.0 pa/ Hz and 0.95 A/W (at 1550 nm)
18 18 I KOBRA I Optical transmitters Externally modulated transmitters KOBRA module Features Electrical and optical convertsion of AM-VSB and QAM forward path signals (externally modulated) Designed for operation together with optical amplifiers (EDFAs and YEDFAs) Superlative parameters allow implementation of optical sections of more than 100 km Very low noise, narrow band DFB laser Optical modulator with two optical outputs Automatic HF gain control: CW carriers, video or manual SBS threshold can be set up to 19 dbm Wavelengths: 1550 nm and in the ITU DWDM grid, nm (ITU channel 23) Tunable wavelengths up to ± 100 GHz Further ITU wavelengths available on request Optical interface: E-2000, 0.1 db version (other connectors available on request) Adjustable slope HF test output with 20 db decoupling loss Externally modulated transmitters MZ modulator SBS threshold up to 19 dbm 1550 nm Fibre length up to 100 km MZ G µc Block diagram OTA 1585X-E and OTA 1585D23X-E
19 KOBRA I Optical transmitters I 19 Type OTA 1585X-E OTA 1585D23X-E Order no Optical interface E-2000 Optical wavelength [nm] /- 2 Laser line width [MHz] 0.3 Optical output level [dbm] 2 x 8.5 Relative intensity noise (RIN) [dbc/hz] -160 CATV Input level per TV channel, nominal [dbµv] 80 Input level range per TV channel (AGC) [dbµv] Return loss at 47 MHz [db] /oct., > 15 Frequency range [MHz] Frequency response MHz [db] ± 0.75 Frequency response 862 MHz to 1 GHz [db] ± 1.5 Setting range slope [db] -2 to +8 CNR (CENELEC 42, without fibre, 0 dbm at the node) [db] 55.5 CSO (CENELEC 42) [dbc] 65 CTB (CENELEC 42) [dbc] 65 Measuring output [db] -20 ± 1 HF interface F socket General Power consumption [W] < 40 Number of slots required in the KBP 40xxR 4 Weight [kg] 4.7 ITU-T K 23 ( )
20 20 I KOBRA I Optical receivers Optical return path receiver 2-way Features Optical-electrical conversion of the return path signals DOCSIS 3.1-compatible Two separate receivers, can be switched off individually Two separate outputs with test sockets Redundant operation possible Monitoring of the optical input power at all inputs Pilot controlled RS 485 port (SNMP supported) Linecode evaluation Standby mode for unused receivers to reduce the power consumption Optical interfaces: E-2000, 0.1 db version and SC/APC HF connections with F connection technology 204 MHz DOCSIS 3.1-compatible Up to -16 dbm TP #1 IN #1 ICS #1 OUT#1 µc RS485 IN #2 Block diagram ORM 22E ICS #2 OUT#2 TP #2
21 KOBRA I Optical receivers I 21 Type ORM 22E Order no Optical interface E-2000 Wavelengths [nm] Sensitivity of the optical receiver [A/W] 0.8 Optical input level range [dbm] -16 to +2 Equivalent noise stream density [pa/ Hz] 2.5 Optical return loss [db] > 40 HF frequency range [MHz] HF output level for OMI = 5 % [dbµv] 90 Frequency response [db] ± 0.75 Return loss [db] > 19 Pilot control range [db] 36 Optical modulation index pilot [%] 5 Test sockets [db] 20 Impedance [Ω] 75 Power consumption operation (two receivers active) [W] Power consumption standby [W] 1.5 HF output socket 6 2 x F Weight [kg] 1.3 Number of slots required in the sub-rack 1 EMC In compliance with EN Decoupling (all HF connections) [db] 50 Number of outgoing HF connections 2
22 22 I KOBRA I Optical receivers Optical return path receivers 4-way Features ORM 40E and ORM 41SC Optical-electrical conversion of return path signals in HFC networks DOCSIS 3.1-compatible Four separate receivers, can be switched off individually Four separate outputs, can be switched individually at the test socket Redundant operation possible Monitoring of the optical input power at all inputs Pilot-controlled and optical input power-controlled AGC Very wide input power range RS 485 port for monitoring and control Linecode evaluation Standby mode for each unused receiver to reduce the power consumption Return path receivers DOCSIS 3.1-compatible 204 MHz High output level Features ORM 40E Optical interface: E-2000, 0.1 db version (other connectors available on request) High output level Bandwidth: 5 to 204 MHz ORM 40E Features ORM 41SC Bandwidth: 5 to 204 MHz Very low power consumption Optical interface: SC/APC (other connectors available on request) Occupies one slot in the KBP 40xxR sub-rack 20 db Test Point Optical input dbm db RF Output > 85 dbµv ORM 41SC LEDs 20 db Test Point Optical input RF Output RS485 LON µp µc (opt. input power or pilot controlled) PSK Demod dbm Optical input db > 85 dbµv RF Output Similar to picture dbm db > 85 dbµv 20 db Test Point Optical input RF Output dbm db > 85 dbµv 20 db Test Point Block diagram
23 KOBRA I Optical receivers I 23 Type ORM 40E ORM 41SC Order no Optical interface E-2000 SC/APC Wavelengths [nm] Sensitivity of the optical receiver (detector sensitivity) [A/W] Equivalent input noise stream density at -16 dbm [pa/ Hz] Optical input level range [dbm] -16 to to +2 Optical return loss [db] > 45 HF frequency range [MHz] HF output level for OMI = 5 % (can be set) [dbµv] /85 CINR at -11 dbm (four QAM subracks with 2 MHz bandwidth, 10 % OMI) [db] Frequency response (db) ± 0.75 Return loss at 47 MHz [db] > 20 > 16 HF output socket 4 x F 1 x F Test socket (front panel) 1 x F 1 x F Pilot control range [db] Frequency pilot tone [khz] 590 to 640 Optical modulation index pilot [%] 5 Test socket [db] 20 Impedance [Ω] 75 Power consumption in operation, all four receivers active/standby [W] / Weight [kg] Number of slots required in the sub-rack 2 1 EMC In compliance with EN Decoupling (all HF connections) 50 - Number of outgoing HF connections 4
24 24 I KOBRA I Optical receivers RFoG return path receiver 4-way Features Optical-electrical conversion of DOCSIS return path signals Four separate receivers, can be switched off individually Four separate outputs or one common output Redundant operation possible Monitoring of the optical input power at all inputs Very large optical input power range RS 485 port Standby mode for unused receivers to reduce the power consumption Very low power consumption Optical interfaces: E-2000, 0.1 db version (other connectors available on request) Extremely low noise stream of 0.8 pa/ Hz HF connections with F connection technology Return path receiver 4-way RFoG Up to -25 dbm E1 ICS db A1 E2 ICS db A2 C E3 ICS db A3 E4 ICS db A4 µc Block diagram
25 KOBRA I Optical receivers I 25 Type ORM 43E-RFoG Order no ) From device revision A01 the individual outputs have a possible output level that is +6 db higher Optical interface E-2000 Wavelengths [nm] Sensitivity of the optical receiver [A/W] 0.8 Equivalent input noise stream density at -16 dbm [pa/ Hz] 0.8 Optical input level range [dbm] -25 to -10 Optical return loss [db] > 40 HF frequency range [MHz] 5-85 HF minimum output level per output at OMI = 17.5 % [dbµv] ¹ ) 80 HF minimum output level COM output at OMI = 17.5 % [db] -6 Frequency response [db] ± 0.75 Return loss [db] > 19 HF output socket Impedance [Ω] 75 Power consumption [W] 6 Number of slots required in the sub-rack 2 4 x F Weight [kg] 2.25 EMC In compliance with EN Decoupling (all HF connections) [db] 50 Number of outgoing HF connections 4
26 26 I KOBRA I Optical receivers Optical downstream receiver nm Up to -8 dbm Features Optical-electrical conversion of downstream signals Can be operated with one or two separate outputs Redundant operation possible Monitoring of the optical input power Monitoring of the HF output level Pilot-controlled RS 485 port for monitoring and control Very low power consumption Optical interface: E-2000, 0.1 db version (other connectors available on request) Extremely low noise frontend Type ORM 10 DS-E Order no Optical interface E-2000 Wavelengths [nm] Optical input level range [dbm] -8 to +4 Equivalent input noise stream density at -8 dbm [pa/ Hz] Optical return loss [db] > 45 HF frequency range [MHz] 47 to 870 HF output level for OMI = 4 % (1 output) [dbµv] 94 HF output level for OMI = 4 % (2 outputs) [dbµv] 90.5 Frequency response [db] ± 1.0 Return loss at 85 MHz: -1 db/oct. [db] > 19 Test sockets [db] 20 Impedance [Ω] 75 Power consumption operation [W] < 12.5 Pilot frequency for AGC [MHz] Weight [kg] 1.3 5
27 KOBRA I Optical amplifiers I 27 Optical amplifiers EDFA Features Amplification of optical signals in the 1550 nm range Optical output power: 13 and 16 dbm, depending on type, one to four outputs Monitoring of optical input and output levels and pump laser current Depending on type, one or two pump lasers Automatic switching off if the input level is too low Low noise factor Standby mode for low power consumption Occupies two slots in the optical broadband platform Optical interface: E-2000, 0.1 db version (other connectors available on request) EDFA Regulated output power Amplification optical signals 13 and 16 dbm output power Type OBM 113S-E OBM 213S-E OBM 413D-E OBM 116S-E OBM 216D-E OBM 416D-E Order no Optical wavelengths [nm] Optical interface E-2000 Optical return loss [db] 50 Optical input level [dbm] -4 to +10 Noise factor (at 0 dbm) [db] < 4.8 Optical output power per output [dbm] Tolerance of the optical output power ( / nm) [db] ± 0.5/0.8 Number of outputs Number of pump lasers Power consumption, operation [W] Power consumption, standby [W] Number of slots required in the KBP 40xxR 2 Weight [kg] 2
28 28 I KOBRA I Optical amplifiers Optical amplifiers YEDFA Features Amplification of optical signals in the 1550 nm range Optical output power: 16 and 20 dbm, depending on type, 4, 8 or 16 outputs Monitoring of optical input and output levels and pump laser current Two pump lasers Automatic switching off if the input level is too low Low noise factor through cascading of an EDFA as preamplifier and of a YEDFA as power amplifier Standby mode for low power consumption Occupies two slots in the optical broadband platform Optical interfaces: Input SC/APC (other connectors available on request); output LC/APC Very large number of outputs because it has a highly amplifying, cladding-pumped YEDFA power amplifier LED status indication RS 485 management interface I/O interface for redundancy switching between two OBM modules YEDFA Amplification optical signals 1550 nm 13, 16, 20 dbm output power Up to 16 outputs per amplifier Type OBM 0420Y-E OBM 0820Y-E OBM 1620Y-E OBM 1616Y-E Order no Optical wavelengths [nm] Optical interfaces input/outputs Optical interface test point SC/APC / LC/APC-8 SC/APC Optical return loss [db] 40 Optical intput level [dbm] -5 to +10 Noise factor (at 0 dbm) [db] < 5.5 Optical output power per output [dbm] 16.5 Tolerance opt. output power ( nm) [db] ± 0.5 Number of outputs Number of pump lasers 2 Polarisation-dependent amplification [db] < 0.5 Residual pump power [dbm] < -30 Pump wavelength [nm] < 1000 Optical return loss [db] > 40 Power consumption operation/standby [W] 18/6 24/6 36/10 24/6 Number of slots required in the KBP 40xxR 2 Weight [kg] 2
29 KOBRA I Other modules I 29 Optical fibre switch Redundant switching Features Redundant switching between two signals RS 485 management interface for integration into various NMS systems Independent input level monitoring at both optical inputs Position sensor and positions LED indication for the switch position Operating modes: Automatic, remote-controlled or manual LED indication (red-yellow-green) to show the optical level and module function Low insertion loss Redundant switching Type OFS 112-E Order no Optical wavelengths [nm] Type of glass fibre Monomode 9/125 as per ITU G.625 Optical return loss [db] 45 Optical input level [dbm] -25 to +23 Insertion loss [db] ¹ ) < 1 Optical decoupling of the inputs [dbm] 80 Number of outputs 1 Number of inputs 2 Switching time [ms] < 10 Power consumption operation [W] 0.3 Temperature range operation [ C] 0 to 40 Number of slots required in the KBP 40xxR 1 Optical interface E-2000 Weight [kg] 1.3 1) Without optical plug connectors
30 30 I KOBRA I Other modules Broadband amplifier MHz Preamplifier Features Broadband amplifier for universal application in the forward and return path For use in the "KOBRA" optical broadband platform Total load regulation (can be switched off) Frequency range: MHz Gain: 0 to 24 db, can be set electronically Slope: 0 to 16 db, can be set electronically Two HF inputs (BC Low/High) to adapt to various level behaviours Test socket for output signal Standby operation for minimal power consumption RS 485 port Type TVO 1024 Order no Frequency range [MHz] Gain, can be set electronically [db] 0-24 Slope, can be set electronically [db] 0-16 Frequency response (7-870 MHz) [db] ± 0.8 Frequency response ( MHz) [db] ± 1.5 Input level Narrowcast input ¹ ), relative [db] + 14 Max. output level ² ), CSO > 60 db, CTB > 60 db [dbµv] 106 Return loss 5-65 MHz [db] > 18 Return loss MHz [db] 18-1/oct., > 15 Noise factor MHz [db] 6.5 Noise factor MHz [db] 7.5 Impedance [Ω] 75 Power consumption operation [W] 8 Power consumption standby [W] 1 Weight [kg] 1.2 1) 14-dB directional coupler 2) CENELEC grid, 42 channels, flat
31 KOBRA I 19" rack I 31 Optical amplifiers YEDFA, 19" rack Features Amplification of optical signals in the 1550 nm range Optical output power: 16.5 and 20 dbm, depending on type, 8 to 32 outputs Monitoring of optical input and output levels and pump laser current ErYb-doped optical amplifier Low noise factor LC display, LEDs and operating buttons on the front panel RS 485 port for management Ideal for FttH or HFC applications Optical interfaces: LC/APC Installation height/construction: 19" rack, four height units (HU) Two power supply modules, can be plugged in or out while in operation 19" 1 HU YEDFA Up to 20 dbm Up to 16 outputs Similar to picture Type OBV 1616 OBV 3216 OBV 820 OBV 820W OBV 1620 Order no Optical wavelengths [nm] Optical return loss [db] 45 Optical input level [dbm] -5 to +10 Noise figure (at 0 dbm) [db] Optical output power per output [dbm] Optical decoupling input [db] Optical decoupling output [db] < Number of outputs Power consumption, max. [W] Power supply [V AC ] 100 to 240 Weight [kg] 9.7 Web interface No No No Yes No
32 32 I KOBRA I 19" rack Externally modulated transmitters 19" rack 19" 1 HU Features Designed for operation together with optical amplifiers (EDFAs) Superlative parameters allow implementation of optical sections of more than 100 km Very low noise, narrow band DFB laser Electro-optical Mach-Zehnder modulator with two optical outputs Automatic HF gain control: CW carriers, video or manual SBS threshold can be set up to 19 dbm Service interface: HTTP/SNMP Ethernet (integrated Web Server) Wavelength: nm (ITU channel 23) Further wavelengths and optical output levels available on request Two power supply modules, can be plugged in or out while in operation Installation height/construction: 19", 1 height unit, depth: 600 mm Power supply according to type: 230 V AC or 48 V DC 1550 nm SBS threshold up to 19 dbm Fibre length up to 100 km AM-VSB, QAM Type ESA 1085XA-E ESA 1085XA-E ESA 1100XA-E Order no Optical interfaces [db] E-2000, 0.1 Optical wavelength [nm] Optical output level [dbm] 2 x x x 10.0 Relative intensity noise (RIN) [dbc/hz] Input level per TV channel, nominal [dbµv] Dynamic range of the automatic gain control (AGC) [db] to -6 Return loss (at 47 MHz) [db] /oct., > 15 Frequency range [MHz] Frequency response MHz [db] ± 0.75 Measuring output [db] -20 ± 1 HF interface F socket Power supply [V] 100 to 240 AC ± 36 to ± 72 DC ± 36 to ± 72 DC Power consumption [W] 60 Weight [kg] 9.7 G µc MZ
33 KOBRA I 33
34 KATHREIN-Werke KG Anton-Kathrein-Straße Rosenheim, Germany Phone Fax /1/0515/VMPG/PF Subject to change.
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