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K2L MOST150 Скачать руководство пользователя страница 11

MOST150 E-O Converter

© 2015 - 2017 K2L GmbH & Co. KG

11

DS60001342C

K2L - USER’S GUIDE

2.1 Steps How To Connect the Devices

Devices used in the test system example (

) are connected using the following steps. All

devices have to be switched off.

1. Inside the isolated EMC/ESD Test Environment:

Connect the device under test (DUT) to the MOST150 E-O Converter #2 with two coaxial cables
(front panel). Use the converter cables Fakra to SMA to connect the coaxial cable to the MOST150
E-O Converter. The MOST150 E-O Converter #2 is running on battery power.

2. Pass between isolated EMC/ESD Test Environment and test area outside:

Connect the duplex optical fiber cable to each of the MOST150 E-O Converters (Interconnect on
the rear panel), ensuring that the LC connectors are inserted correctly.

3. Outside the isolated EMC/ESD Test Environment:

Connect the customer MOST network devices to the MOST150 E-O Converter #1 using two coaxial
cables (front panel). Use the converter cables Fakra to SMA to connect the coaxial cable to the
MOST150 E-O Converter. The MOST150 E-O Converter #1 is running with power supply.

4. Turn on all of the devices. The MOST network and Interconnect LEDs on the MOST150 E-O

Converters will turn off once the network is locked.

5. The system is now ready for testing.

2.2 Test Report

The following tests have been performed for the MOST150 E-O Converter:



Radiated Emissions (RE)



Bulk Current Injection (BCI)



Electro-Static Discharge (ESD)

Contact

[email protected]

if you are interested in getting the test reports.

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Содержание MOST150

Страница 1: ...in this document which may cause the product to deviate from published descriptions Anomalies are described in errata sheets available upon request K2L products are not designed intended authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property damage Any and all such uses without prior written app...

Страница 2: ...troduction 9 2 1 Steps How To Connect the Devices 11 2 2 Test Report 11 Chapter 3 Board Details 12 3 1 Charger and Battery Operation 13 3 2 Physical Layer Conversion 14 Chapter 4 Hardware Description 15 4 1 Front Panel 15 4 1 1 Electrical Coaxial Connectors 15 4 1 2 Status LEDs 16 4 1 2 1 Interconnect 16 4 1 2 2 MOST 16 4 1 2 3 Charger 17 4 1 2 4 Power 17 4 2 Rear Panel 18 4 2 1 Power Supply and P...

Страница 3: ...R S GUIDE List of Figures Figure 2 1 MOST Network Implementation 9 Figure 2 2 MOST Network Implementation with DUT Isolation 10 Figure 3 1 MOST150 E O Converter PCB Block Diagram 12 Figure 4 1 Front Panel 15 Figure 4 2 LEDs on the Front Panel 16 Figure 4 3 Rear Panel 18 ...

Страница 4: ...rmation 16 Table 4 3 MOST Network LED Status Information 16 Table 4 4 Charger LED Status Information 17 Table 4 5 Power LED Status Information 17 Table 4 6 Power Supply and Power Switch 18 Table 4 7 Interconnect 19 Table 5 1 Mechanical Characteristics 20 Table 5 2 Electrical Characteristics 20 Table 5 3 Optical Characteristics 21 Table 6 1 Troubleshooting Overview 22 Table 7 1 Customer Revision Hi...

Страница 5: ...l cable set 40 m qty 1 Coaxial cables 1 m qty 4 Converter cable Fakra to SMA 0 1 m qty 4 Power supply qty 1 Printed user manual qty 1 Check your shipment for completeness If you have any objections direct them to Sales K2L de Providing the delivery note number eases the handling 1 3 Warnings There are four rechargeable batteries Lithium ion rechargeable cells e g Samsung model ICR18650 30B assembl...

Страница 6: ...oid mechanical shock Don t disassemble the battery or modify the battery design including electric circuit Don t solder on the battery directly Don t use seriously scared or deformed battery Don t put the battery into a microwave oven dryer or high pressure container Don t use or assemble the battery with other makers batteries different types and or models of batteries such as dry batteries nicke...

Страница 7: ... s manual of the application Cover terminals with insulating tape before proper disposal While the battery is charged used and stored keep it away from object materials with static electric chargers 1 3 2 Safety Handling Procedure for the Transporter Quarantine Packages that are crushed punctured or torn open to reveal contents should not be transported Such packages should be isolated until the s...

Страница 8: ...REVIATION DESCRIPTION avg average BCI Bulk Current Injection CC Constant Current CV Constant Voltage EMC Electromagnetic Compatibility E O Electrical Optical ESD Electrostatic Discharge cPHY electrical coaxial Physical Layer D Depth DUT Device Under Test H Height MOST Media Oriented Systems Transport PCB Printed Circuit Board PLL Phase locked Loop qty Quantity RE Radiated Emissions SFP Small Form ...

Страница 9: ...cal cPHY network from the other MOST devices K2L developed an easy to use product that fulfills all the requirements mentioned above the MOST150 E O Converter Kit It assists in isolating the DUT during a functional network test by converting a MOST network data rate 150 Mbit s electrical cPHY layer into an optical physical layer network interface Figure 2 2 shows how this is achieved by using two ...

Страница 10: ...of stimulus equipment from harsh test environments Optical interface operable at lengths up to 40 m Aluminum enclosure with battery power supply to reduce emissions and improve immunity On board battery charger circuit Simultaneous battery charging and powering of the device Low battery indicator Figure 2 2 MOST Network Implementation with DUT Isolation MOST Network Device DUT MOST150 E O Converte...

Страница 11: ...le to each of the MOST150 E O Converters Interconnect on the rear panel ensuring that the LC connectors are inserted correctly 3 Outside the isolated EMC ESD Test Environment Connect the customer MOST network devices to the MOST150 E O Converter 1 using two coaxial cables front panel Use the converter cables Fakra to SMA to connect the coaxial cable to the MOST150 E O Converter The MOST150 E O Con...

Страница 12: ...wer can be supplied by internal rechargeable batteries Power from the battery or external power supply can be completely disconnected from the functional circuitry by the power switch The power switch must be in the ON position in order for the MOST150 E O Converter to function Figure 3 1 MOST150 E O Converter PCB Block Diagram K2L MOST150 E O Converter Charger Circuit Board Power Supply Power In ...

Страница 13: ... be recharged When the power switch is in the ON position and the DC power supply is connected to the power jack the DC power supply powers the board supplies 3 3 V and 1 8 V for the functional circuitry data conversion Operation of the MOST150 E O Converter while the battery is charging can be a useful feature during compliance testing The MOST150 E O Converter outside of the test environment can...

Страница 14: ...eudo MOST150 network interface that uses Small Form factor Pluggable SFP transceivers Since the optical physical layer network produces no emissions and is isolated electrically it can be routed through the EMC chamber wall and connected to another MOST150 E O Converter where it is converted back to an electrical cPHY network signal The optical physical layer interface consists of a 850 nm wavelen...

Страница 15: ...to right Ground connector Electrical coaxial connectors Status LEDs 4 1 1 Electrical Coaxial Connectors The orientation of the Rx and Tx path is shown on the top Figure 4 1 Front Panel Table 4 1 Electrical Coaxial Connectors INTERFACE COLOR DESCRIPTION GND Interface to be connected to ground Coaxial out Coaxial Tx interface to be connected to the MOST system data rate 150 Mbit s basing on electric...

Страница 16: ... of the Interconnect LED i e the status of the optical connection between the two MOST150 E O Converters 4 1 2 2 MOST Table 4 3 informs about possible states of the MOST network LED Figure 4 2 LEDs on the Front Panel Table 4 2 Interconnect LED Status Information COLOR STATUS DESCRIPTION Off No error Red Error possible reasons are SFP module does not receive an optical signal The signal is too weak...

Страница 17: ...nge The charger circuit is in charge mode Green The battery is fully charged Red Error possible reasons are The temperature of the charger is too high Battery is defect Contact technical support at support K2L de Table 4 5 Power LED Status Information COLOR STATUS SIGN AT THE TOP DESCRIPTION Off The MOST150 E O Converter is not powered There are two reasons The power switch is Off The battery is d...

Страница 18: ...ct How the MOST150 E O Converter can be connected is shown in Figure 2 2 on page 10 4 2 1 Power Supply and Power Switch Figure 4 3 Rear Panel Table 4 6 Power Supply and Power Switch INTERFACE PIN POSITION DESCRIPTION Power supply 12 V power supply Connector type Binder 99 3400 100 03 or equivalent The figure on the left shows the pin assignment as it is visible on the rear panel For further detail...

Страница 19: ...IDE 4 2 2 Interconnect Table 4 7 Interconnect INTERFACE PIN POSITION DESCRIPTION Interconnect Optical network connection SFP interfaces are used to connect the two MOST150 E O Converters Connector type of the SFP transceiver LC For further details refer to Table 5 3 on page 21 ...

Страница 20: ...H x W x D 33 x 121 x 190 mm Weight 750 g Ambient Temperature Range 20 50 C Table 5 2 Electrical Characteristics PARAMETER MIN TYP MAX UNIT CONDITIONS MOST150 E O Converter Input voltage 9 18 V DC Input current 2 5 A DC Vin 12 V DC Operating temperature 0 45 C Charge 20 50 C Discharge Charge cycle Input current 2 0 A DC Power switch off Charge time 270 300 min Battery pack 4 cells in parallel Outpu...

Страница 21: ...stics Interconnect The table below covers the characteristics of the optical transceiver in the MOST150 E O Converter Table 5 3 Optical Characteristics PARAMETER MIN TYP MAX UNIT CONDITIONS Output optical power 9 5 4 dBm avg 50 125 µm fiber Data rate 1 25 Gb s Wavelength 850 nm Transmission length 40 m ...

Страница 22: ...k electrical cPHY Error LEDs on the MOST150 E O Converters If the Interconnect optical Error LED is on red make sure that the glass optical fiber cable is hooked up correctly and the connections are securely in place If the MOST network electrical cPHY Error LED is on make sure that the electrical cPHY cable is hooked up correctly and the connections are securely in place If neither of these works...

Страница 23: ... sentence that recommends to not connect the MOST150 E O Converter to a power supply in the middle of a test Section 3 2 Physical Layer Conversion on page 14 Output optical power value corrected 62 5 125 µm fiber 50 125 µm fiber Section 4 1 Front Panel on page 15 Electrical connectors Added GND connector Exchanged Fakra to SMA Section 4 1 2 3 Charger on page 17 Section 4 1 2 4 Power on page 17 Ico...

Страница 24: ...our web site http www K2L de Direct contact information is available at http www K2L de contact K2L GmbH Co KG Emmy Noether Str 14 76131 Karlsruhe Germany Technical Support Contact information for technical support is available at support K2L de MOST150 E O Converter DS60001342C 24 2015 2017 K2L GmbH Co KG K2L USER S GUIDE ...

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