VeEX MPA User Manual page 159

MPA_e_manual_D07-00-129P_RevA00
Protocol Tabs
Select the Write button to send the user-defined Data value to the specified reference
address.
The user-defined hexadecimal numbers can range from 0 to FFFF (leading 0's do not
need to be entered).
MLD Test - QSFP Info
The QSFP Info screen displays common information from the pluggable QSFP28 or
QSFP+ module's 2-wire (I2C) interface, as programmed by the module's manufacturer.
The QSFP Info screen can also be used to write to the QSFP's serial addresses as per
the SFF-8636 Specification.
The following 2-wire (I2C) Serial Addresses are compliant with SFF-8636
(Specification for Management Interface for Cabled Environments, Rev 2.7 January 26,
2016), Table 6-15 Upper Page 00h Memory Map.
I2C Function
Module ID
Power Class:
159
Description
Displays the module's form-factor
Identifier code.
Example: QSFP+, QSFP28
Displays the module's Power Class.
Responses include:
Bits 7-6:
00: Class 1 (<= 1.5W max)
01: Class 2 (<= 2.0W max)
10: Class 3 (<= 2.5W max)
11: Class 4 (<= 3.5W max)
Bits 1-0:
00: Unused
Address Location
Page 00h Byte: 128
Size: 1 Byte
Ref. SFF-8024 Table 4-1
Page 00h Byte: 129
Size: 4 bits
Bits: 7-6 and 1-0
Ref. Table 6-16