1550nm Optical Transmitter ES10XL

  • Description
    2Way Output (19” Stand-Alone Units)
  • Producer
    BKtel-Germany
  • Price
    Please Contact
  • Quantity
Description

1550nm Optical Transmitter ES10XL

  • Externally modulated 1550nm DFB laser transmitter for electrical to optical conversion of multichannel CATV signals like AM-VSB, FM and QAM signals
  • Enables the usage of optical amplifiers (EDFAs) as boosters or repeaters in order to realize large scale HFC networks
  • Excellent performance in order to realize links exceeding 100km
  • Output power up to 2x13.0dBm

FEATURES

  • Low noise, narrow linewidth CW-DFB laser
  • ITU-Grid wavelength
  • Wavelength adjustable +/- 100GHz
  • Electrooptical modulator with 2 optical outputs
  • Automatic load control (ALC) for CATV signal input
  • Adjustable RF slope
  • Output Power: 2x8.5 dBm (ES10XL-85), 2x10.0 dBm (ES10XL-100), 2x12.0 dBm (ES10XL-120), 2x13.0dBm (ES10XL-130)
  • Adjustable SBS threshold up to 19dBm
  • Front panel RF test point –20dB
  • Dual, hot-plug-in power supply modules for 100...240 VAC or ±36...±72 VDC
  • Web and SNMP Interface (a-version)
  • RS485/232 interface (b-version)
  • LC display and LED status indication
  • General purpose I/O interface for remote functions
  • Very thin, only 1 U design for mounting into 19”, ETSI or JIS racks

 

1550nm Optical Transmitter ES10XL

1550nm Optical Transmitter ES10XL

Data Sheet

General Technical Data

Optical connector  Any type of high return loss connectors front or rear side mounted
Optical fiber  Standard single mode 9/125 µm
RF connector  F female, front or rear side mounted
Control interface  a-version: Ethernet 10/100 interface
b-version: RS485/232 interface
Power supply types
(Dual redundant, hot pluggable)
100 ... 240 VAC, 50/60 Hz
or ±36 ... ±72 VDC
(Real) Power consumption  [W] < 56 / 63 (1 / 2 power supply unit(s) equipped)
Enclosure  19” / 1 rack unit [U] (optionally compatible to ETSI or JIS standards)
Weight  [kg]  ~9.0 (depend on power supply)
Safety  Safety EN 60950,
Laser class 1M according IEC 60 825-1 (eyesafe for normal viewing)
EMC EMC EN50083-2
Climatic specification
Operation
Storage
ETS 300 019, class 3.1
ETS 300 019, class 1.2
Optical properties ES10XL-85       ES10XL-100        ES10XL-120        ES10XL-130 
Wavelength  [nm]  1548…1560 or ITU grid ch 23…37
Side mode suppression  [dB]    > 30
Wavelength adjustment range  [GHz]  -100, -50, 0, 50, 100
Optical power  [dBm]  2x 8.5 min.        2x 10.0 min.         2x 12.0 min.        2x 13.0 min.
Relative intensity noise for CATV (for optical fiber return loss > 40 dB) [dBc/Hz] < –158
(typ. < –160)
SBS-Suppression  [dBm]  Threshold adjustable between +13 and +19 dBm
Laser linewidth (typical)  [MHz] 0.3

Electrical Properties

RF frequency range [MHz] 47 … 1000
Flatness  [dB] < ±0.75 (47 MHz…860 MHz) < ±1.5 (860 MHz…1 GHz)
Nom. Input level per TV channel  [dBµV]    80
Input level range (per carrier)  [dBµV]   78 … 96 (for OMI= 5% per CATV carrier)
True RMS input level range  [dBm]  -16 … +2 (for ALC correctly working)
Slope range  [dB]  -2 (cable equivalent) … +8 (cable equalization)
RF impedance [Ω]   75
Return loss [dB]  > 20 (@ 47 MHz) – 1.5 dB/octave, minimum > 15
RF monitor output level  [dB]  -20 (+0.2 … -0.8 dB @ 862 MHz, -1.3 dB @ 1 GHz)
Performance Characteristics
Transmitter version C42                                     D84                                    N77
Channel allocation plan for test  CENELEC 42                     PAL-D 84                            NTSC 77
number of channels
TV / FM (-4dB) / QAM64 (-10dB)
42 / 0 / 0                              84 / 0 / 0                             77 / 0 / 0
Noise bandwidth  [MHz]  5                                           5                                         4
CNR Tx/Rx  [dB]  55.5                                      52.5                                    53.5
CNR Link 1 [dB]  55.0                                      52.0                                    53.0
CNR Link 2 [dB]  53.0                                      50.5                                    52.0
CNR Link 3  [dB]  50.5                                      49.0                                    50.0
CSO Tx/Rx and Link 1  [dBc] 65                                          65                                       65
CSO Link 2  [dBc] 63                                          65                                       65
CSO Link 3 at output #1  [dB]  62                                          63                                       65
CTB  [dBc] 65                                          65                                       65
Test Conditions
  Booster EDFA    1st Fibre Length     In-Line EDFA      2nd Fibre Length         RX
Tx/Rx  no                         no                            no                         no                                 0dBm
Link 1  no                        5km                          no                         no                                 0dBm
Link 2  16dBm                65km                        no                        no                                 0dBm
Link 3 *) 13dBm                52km                     13dBm                 52km                              0dBm
*) ES10-130: no Booster EDFA is used
RX with 7 pA/√Hz input noise current density
EDFAs with 5dB noise figure
RF input level at 80 dBuV / TV channel

Ordering Information
For more information on this product please contact BKtel communications. Properties for ordering optical transmitter ES10XL:

  85  +8.5 dBm
100  +10.0 dBm
120  +12.0 dBm
130  +13.0 dBm
Frequency plan *) C42  Cenelec 42
N77  NTSC 77
PAL84  PAL 84
NMS-Interface  A HTTP/SNMP Ethernet
B RS485
Wavelength X 1548…1560 nm
15xx.xx  15xx.xx ITU wavelength
Optical connector 1 E2000
2 SC/APC
3 FC/APC-NTT
4 FC/APC-JDS
5 SC/APC with shutter
RF input / optical output F on front side
R on rear side
Version O BKtel
OEM OEM
Power supply 230/230 2 x (100…240 VAC)
48/48 2 x (36…72 VDC)
230 1 x (100…240 VAC)
48 1 x (36…72 VDC)
230/48  mixed 230 VAC / 48 VDC
Power plug O No power cable included
Eu Europe (Germany, Spain,…)
US USA
Sw Switzerland
UK UK, Ireland
Jp Japan
Ch China
*) Other frequency plan on request!
Application

1550nm Optical Transmitter ES10XL

  • Electrical to optical conversion of multichannel CATV signals e.g. AM-VSB, FM and QAM signals 
  • Based on state-of-the-art LiNbO3-modulator-technology   
  • Excellent transmission performance in point-to-multipoint networks with > 100km reach   
  • Optimized for large scale HFC and FTTx neworks up to 1 GHz
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