See attached Rev 0.3 PDF for articles:

FAQ #       Question

1                 Adjusting the PPS out

2                 Are PTP Unicast packets visible to Wireshark through a switch?

3                 Are there any important parameters that should be considered when choosing a network switch chip to connect to the M88?

4                 Can the module be synchronized to an input 1PPS without having a ToD input from the GPS?

5                 Difference Between Engine Asymmetry and Port Asymmetry settings?

6                 Do the modules support IGMP?

7                 Does the AccuTime module have an SNTP server available?

8                 Energy Efficient Ethernet

9                 Ethernet LED meaning

10              How can 1PPS be enabled for syntonization from GPS when ToD is not available?

11              How can files be transferred to/from a AccuTime module file system from a host PC/laptop?

12              How can I tell that the slave is Synchronized to the master?

13              How can Clock Class during Holdover be set by CLI Commands?

14              How do I get firmware updates?

15              How do AccuTime modules communicate with external PHY?

16              How is checksum handled for IPv4 and IPv6?

17              How many clients does your master support?

18              How many other slaves can your slave handle?

19              How much does the modules weigh?

20              How much time does it take to synchronize?

21              How to interpret the sync status

22              How to transfer files using kermit on a Linux machine

23              Is a '00' Master Clock ID valid for an AccuTime module slave to sync to?

24              Is defining a fixed PPSOUT/FREQOUT relationship that is the same every time the M64 is restarted possible?

25              M88 CLK_REF specification

26              Running PTP over Ethernet (layer 2) on enet1

27              Setting DSCP for PTP

28              The two interfaces of M64 and M68

29              There is a 3 µs offset between master and slave's 1PPS. What do I do?

30              There is a leap second announced. What do I do?

31              What are some guidelines for the "ptp2 config" parameters for servo control?

32              What are the set up conditions required to get TOD outputs to activate on the module?

33              What are the Synchronization Requirements for Different Types of LTE?

34              What does the console output data represent when the module is run in Mode 4 (Debug)?

35              What is a guideline for setting the GPS Antenna cable delay value?

36              What is the command procedure to upload an module file to a PC using Kermit?

37              What is the difference between congruent and non-congruent mode when operating the M88 module?

38              What is the Ether type for Layer 2 and Layer 3 communication protocol?

39              What is the maximum overlap/delay that is acceptable for a AccuTime timing module between the TOD and the 1PPS input?

40              What is the module ToD interface and format?

41              What is the normal boot process for the modules?

42              What is the recommended power sequencing for M88?

43              What is the Re-flow profile required for M6x module?

44              What NMEA messages are used for TOD input and output?

45              What PTP switches can be used with the AccuTime module IEEE 1588-2008 equipment?

46              What the preferred PTP Engine Mode for a module Clock with multiple PTP ports and configured as a Boundary Clock or Gateway Clock when the Primary Timing Source is GPS?

47              What time scale is used by PTP and what is the relationship to other time scales?

48              What's the difference between a one-step master and a two-step master?

49              What's the maximum operating temperature for M64/M68?

50              What's the MTBF for M88

51              Why are there 4 bytes after the PTP message?

52              What happened to support for the M50 and the Software Development kit.

53              Ports to communicate with the command shell

54              Choosing Between the M64, M68 and M88 Modules

55              What is Silicon Labs’ Software Support Policy for the Modules?

56              What is the difference between HMI and CLI commands?

57              Polarity of MRESET and PLL_RST signals

58              Using Clock Builder Pro to Configure your Module

59              Using startup.ini to set the default configuration of your module

60              The timesource TLV

61              Using P60 with USB 3.0 Interfaces

62              How to recover a bricked module

63              Are the modules (M64, M68, and M88) Compatible with IEEE 1588 2019?

64              Using an alternative PHY

65              Configuring the M68 and M88 for Pass Through

66              Where can I find the 3D model and IBIS models for the modules

67              What is the difference between a network that is “Partial Timing Support” and “Full Timing Support”?

68              How to configure for IP V6

69              What causes “Unable to add unicast node”

70              User Interface and Control Characters

71              IPC-A-610 Class