MULTILANE ML4064-MCB Manuale per l'uso e la cura

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ML4064-MCB

Technical Reference

MSA Compliant OSFP MCB

 
 
 
 
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Table of Contents 
Introduction................................................................................................................... 3 
Key Features .................................................................................................................. 3 
ML4064-MCB Hardware ................................................................................................. 3 
1 Power-Up .............................................................................................................................. 3 
2 Operating Conditions............................................................................................................ 4 
3 LED Indicators ....................................................................................................................... 4 
4 Low Speed Signals................................................................................................................. 4 
4.1 External I2C .................................................................................................................... 4 
4.2 External HW Control ...................................................................................................... 4 
ML4064-MCB Software .................................................................................................. 5 
1 USB Driver ............................................................................................................................. 5 
2 GUI ........................................................................................................................................ 6 
Hardware Revision......................................................................................................... 6 
Firmware Revision ......................................................................................................... 6 
Bootloader..................................................................................................................... 6 
 
 
Table of Figures 
Figure 1: External I2C ...................................................................................................................... 4 
Figure 2: External Control Signals................................................................................................... 5 
Figure 3: Low Speed Signals Schematics......................................................................................... 5 
 
 

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1. Introduction

The ML4064-MCB is designed to provide an efficient and easy method of programming and

testing 400G OSFP transceivers and active optical cables. It includes a complete user-friendly

GUI supporting all features defined by OSFP MSA and simplifying configuration processes to

enable intuitive memory map programming and testing. It is designed to simulate an ideal

environment for OSFP transceivers module testing, characterization and manufacturing.

2. Key Features

✓Supports 8x50G interfaces

✓I2C master driven from both on board microcontroller or external pin headers

✓40 GHz 2.92mm or 2.4mm K Connectors

✓Current Sense

✓Matched differential trace length across all channels

✓High performance signal integrity traces from K connectors to OSFP host connector.

✓On-board pin headers for MSA input control signals

✓User friendly GUI for I2C R/W commands and loading custom MSA memory maps

✓Four corner testing capability

✓USB interface

3. ML4064-MCB Hardware

The subsequent sections cover the essential parts in the hardware, for board operation and

testing.

3.1 Power-Up

To power up the ML4064-MCB host, steps are as follow:

•The host TOP is where the cage is mounted

•Two options are available to power up the board:

➢Using the four pins power connector (J2) that should be connected to 5V AND 3.3V

taking into account pins distribution, where jumper L15 must be populated

➢Using the banana plug (U8) that should be connected to 3.3V where jumper L16 must

be populated

•Connect the host to your PC using a Type-B mini to Type-A USB cable.

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3.2 Operating Conditions

According to the powering method described in section 3.1, the input voltage supply must

follow the table below.

Parameter

Symbol

Condition

Min

Typical

Max

Unit

P5V

Supply from J2 (P5V pin)

+3.3

P3V3

Supply from J2 (P3V3 Pin)

OR banana plug U8

3.0

3.3

3.6

Table 1: Voltage Operating Conditions

3.3 LED Indicators

The ML4064-MCB includes on-board LEDs, for quick debugging and monitoring purposes. LEDs

are summarized below:

•LED D11 indicates whether a USB cable is plugged or not.

•LEDs D13 and D12, colored green and red, respectively, are used for diagnostic purposes:

✓If D13 is on: USB is locked and device is recognized by the USB driver

✓If D12 is on: USB is not connected or USB driver is not found

✓If both are off: board is not powered correctly or firmware is corrupted

✓If both are blinking: the board is in Bootloader mode

3.4 Low Speed Signals

3.4.1 External I2C

The I2C bus can be accessed externally using U156 pins. In this case a jumper should be

placed on pin header P16 (HW_I2C) shown in the image below.

Figure 1: External I2C

3.4.2 External HW Control

Also Low Speed Signals are controllable using an external source, this can be done

through J4 pin header. In this case a jumper should be placed on pin header J3

(HW_CTRL) shown in the image below.

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Figure 2: External Control Signals

The low speed signals circuit shown below shows the connection of these signals to the

microcontroller and OSFP connector.

Figure 3: Low Speed Signals Schematics

4. ML4064-MCB Software

The ML4064-MCB is accessible and controlled through application software. This software is

MSA compliant and provides a user-friendly interface to operate the board and access all its

features. The communication between the ML4064-MCB board and the software is established

through USB connection.

4.1 USB Driver

In order to be able to communicate with the board, user need to install the USB driver of the

ML4064-TR-MCB. This is available on the website under the following link (USB Driver icon):

https://multilaneinc.com/products/ml4064-mcb/

Below is a brief guide on how to install the USB Driver:

-Power up the board

-Connect the board to the PC through USB cable

-Download the USB driver file

-Go to “Device Manager”

-Find the target device that need to install the driver

-Right-click on the device and select Update Driver Software

-Select Browse my computer for driver software

-Browse you PC and select the driver file

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-Click Next and wait until the driver is installed

4.2 GUI

For GUI installation and operation, refer to the link below. GUI user manual is available for

detailed description (CMIS GUI Manual icon).

https://multilaneinc.com/products/ml4064-mcb/

5. Hardware Revision

-ML4064-MCB-RevA: Initial Version

-ML4064-MCB-RevB: Remove the drive buffer from H_LPWn signal circuit

6. Firmware Revision

-ML4064-MCB_V1_2: latest FW revision, compatible with the ML4064-MCB RevB

hardware.

7. Bootloader

Accessing in bootloader mode allows the user to reprogram the microcontroller, this is done as

described below:

1. Connect a jumper on (J1) situated close to the microcontroller.

2. Connect a USB cable between the PC and Board.

3. Power up the board with a +3.3V supply.

4. LEDs (D12, D13) start blinking.

5. Remove jumper.

6. Open the software “Microchip USB HID Bootloader v2.3”.

7. Click on “Open Hex File”.

8. Choose the new FW to download.

9. Click on “Program/Verify”.

10. Once the software finishes programming press on “Reset Device”.

11. After reset the Firmware is successfully updated.

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Revision History

Revision number

Date

Description

0.1

8/11/2020

▪Initial Version

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