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Type Laser

   mo418L  4D31

 

6 dBm DFB 1310 nm

  

mo418L 4D55

 

6 dBm DFB 1550 nm

  

mo428L 4D31

 

2x6 dBm DFB 1310 nm

  

mo428L 4D55

 

2x6 dBm DFB 1550 nm

 

**   measurement conditions according EN 60728-3, 42 CENELEC: optical modulation index (OMI) 4.0 %;

  

the sticker “RF test level” with the exact RF level 

dBµV/

chan for OMI=4.0% is  placed on the side of the cover

 ***  two tone test metod according EN 60728-3 OMI 20 %
****  relative to RF IN port with 0 dB attenuator and off AGC

*****  without external DC feeding

 

Table 7

Technical characteristics

 

Type

  

mo418L* mo428L*

Number of optical outputs 

1 2

Optical power     

1x6 dBm 

2x6 dBm

Optical wave lenght

 

1310 ± 10 nm 

1550 ± 3 nm 

1310 ± 10 nm 

1550 ± 3 nm

Laser type 

   

DFB

RF frequency range

 

47-2400 MHz

RF input level     

70-85 dBµV

RF input impedance 

75

 

Gain adjustment   

0...-15 dB by 1 dB step

AGC range 

   

± 5 dB

RF input loop through 

frequency range 

47-2400 MHz

 

  

loss

  

< 1 dB

 

  

flatness 

± 

1.0 dB

Return loss 

   

≥ 

18 dB at 40 MHz -1.5 dB/oct (47-950 MHz);

 

 

10 dB up to 1750 MHz;

 

 7 dB up to 2400 MHz

Relative intensity noise RIN

 

< -150 dB/Hz

Terr.TV 

intermodulation distortion CSO** 

> 60 dB 

> 55 dB 

> 60 dB 

> 55 dB

 

intermodulation distortion CTB** 

> 62 dB 

> 60 dB 

> 62 dB 

> 60 dB

 

carrier/noise ratio C/N** 

> 51 dB 

> 50 dB 

> 51 dB 

> 50 dB

SAT IF intermodulation distortions IMD3

*** 

> 35 dB

Test point

****       

 

8.0 ± 1.0 dB (47-1750 MHz);   6.5 ± 1.5 dB (1750-2400 MHz)

Optical connector

   

 

SC/APC

Network server     

Ethernet standard

 

10/100 Base-T

 

parameters        

connector

 

RJ-45

    

          

supported protocols

 

ARP, Ipv4, HTTP, Ping, SNMPv2c

Supply

 

voltage

     

12 V ± 1 V

DC feeding for external  

 

12 V   

0.4 A

Current consumption***** 

0.37 A max. 

0.42 A max.

Operating temperature range

 0

o

 

÷ 

+ 50

o

 C

Dimensions/Weight (packed) 

198x107.5x36 mm/ 0.9 kg

 

 

INVISIBLE LASER RADIATION DO NOT VIEW DIRECTLY WITH OPTICAL INSTRUMENTS.

 

  Wave length 1270-1610 nm, IEC60825-1:2007

This product complies with the relevant clauses of the European Directive 2002/96/EC. The unit must be recycled or discarded  

 

 

  according to applicable local and national regulations.

  

Equipment intended for indoor usage only.

 

TERRA confirms, that this product is in accordance to following norms of EU: EMC norm EN50083-2, safety norm EN60065, RoHS norm EN50581.

  

TERRA confirms, that this product is in accordance with Custom Union Technical Regulations: “Electromagnetic compatibility of technical equipment“  

 

CU TR 020/2011, “On safety of low-voltage equipment“ CU TR 004/2011.

 

 TERRA confirms, that this product is in accordance with safety standard AS/NZS 60065 and EMC standards of Australia.

Draugystes str. 22, LT-51256 Kaunas, Lithuania, tel.: +370 37 - 31 34 44, fax: +370 37 - 31 35 55 

E-mail: 

[email protected]

http://www.terraelectronics.com

Summary of Contents for mo418L

Page 1: ...the unit must be not restricted If the transmitter is installed in a 19 rack system additional forced air cooling fans may be required see Table 7 Operating temperature range Always leave 10 cm of free space from the top front and bottom of the unit to allow heat dissipation Safety of laser product Optical Transmitter module contains laser diode sources operating at 1310 1550 nm These devices are ...

Page 2: ... 100 Base T 4 indicator of LAN activity yellow LED 5 indicator of the transmitter activity green LED 6 DEF button for default settings 7 data bus connector 8 power distribution bus connector 9 12 V powering input screw terminal 10 OPTICAL OUT optical output SC APC socket 11 RF TEST RF test point F socket Figure 1 External view of the transmitter ...

Page 3: ...ection MOUNTING The module or mounting bracket must be fixed with steel screws Ø 3 5 4 mm The screws are not included in a package Mounting on a wall by screws Mounting on a bracket supplied Perpendicular to the wall Parallel to the wall Figure 2 Mounting of the transmitter Mounting on DIN rail Figure 3 Mounting to DIN rail Figure 4 Mounting from DIN rail ...

Page 4: ...owser When a Web browser connects to the device server start page as shown below will appear in the Web browser Figure 7 Start screen Note The device is protected and unauthorized users can only see the Status page In order to have full control of the equipment it is necessary to LOGIN to the device server When trying to operate the device a page Authentication required appears Figure 8 asking to ...

Page 5: ... address 192 168 1 99 Net mask 255 255 255 0 Gateway 192 168 1 2 SNMP settings Host IP 192 168 1 1 SNMP read community string public SNMP write community string private SNMP trap target community string public Enable Trap On To reset network and login settings of the device server to their default values press twice the DEF button on transmitter front panel Figure 1 pos 6 as explained 1 Press the ...

Page 6: ...browsers e g IE don t support Up Down control element In this case the appropriate value should be entered from keyboard Gain control allows to switch On or Off the AGC of the transmitter It is used to set automatic RF level control for constant load to the laser The operating AGC level is set by the user when the button Apply settings is pressed After that RF level instability is compensated auto...

Page 7: ... in the RF input socket Figure 1 Pos 1 This voltage is used to power an external amplifier In case of short circuit or over current the voltage drops and error message Voltage out of range is displayed in the error message field Temperature Indicates the internal temperature of the device If the temperature inside the module achieves the maximum level the error message Overheat is displayed In cas...

Page 8: ...he MIB are fixed while others are dynamic values calculated by the agent software running on the device Ethernet SNMP agent operates together with optical transmitter and provides remote diagnostics and control of the transmitter via Ethernet type network using SNMP protocol The agent of transmitter can receive SNMP requests from a number of SNMP managers and can send traps to dedicated trap recei...

Page 9: ...voltages temperature inside module and parameters of the external power suppliers Table 4 Table 4 Status parameters OID Status Description 30631 1 2 1 1 measRfLevel RF level Represented in tenth of dB as example a value of 299 represents level of 29 9 dBm 30631 1 2 1 2 measLaser1Current Laser 1 current represented in mA 30631 1 2 1 3 measLaser2Current Laser 2 current represented in mA Applicable o...

Page 10: ... pos 7 as shown in the diagram below The data and power distribution cables are supplied together with the optical transmitter Note 1 The server can manage only up to two UP412 devices 2 Please pay attention to the different power supply settings Address of power suppliers does not have to match and will be as follows Table 6 Address settings of power supply Figure 15 Application diagram of mo418L...

Page 11: ...IF intermodulation distortions IMD3 35 dB Test point 8 0 1 0 dB 47 1750 MHz 6 5 1 5 dB 1750 2400 MHz Optical connector SC APC Network server Ethernet standard 10 100 Base T parameters connector RJ 45 supported protocols ARP Ipv4 HTTP Ping SNMPv2c Supply voltage 12 V 1 V DC feeding for external 12 V 0 4 A Current consumption 0 37 A max 0 42 A max Operating temperature range 0o 50o C Dimensions Weig...

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