User Documentation
User Manual Managed Switches 
31 
logSyncInterval (sets the synchronization message time interval) 
Setting 
Description 
Factory 
Default 
0, 1, 2, 3, or 
4 
0 (1 s), 1 (2 s), 2 (4 s), 3 (8 s), or 4 (16 s). 
Supported in IEEE 1588 V1. 
0 
logMinDelayReqInterval 
Setting 
Description 
Factory 
Default 
0, 1, 2, 3, 4, 
or 5 
Minimum delay request message interval 
0 (1 sec.) 
  Subdomain Name 
Setting 
Description 
Factory 
Default 
_DFLT (0), 
_ALT(1), 
_ALT(2), or 
_ALT(3) 
Subdomain name (IEEE 1588-2002) or the 
domain Number (IEEE 1588-2008) fields in 
PTP messages 
_DFLT (0) 
Transport of PTP (transport protocol of an IEEE 1588 PTP message) 
Setting 
Description 
Factory 
Default 
IPv4   
IEEE 1588 PTP V1 supports IPv4 only 
IPv4 
Preferred Master 
Setting 
Description 
Factory 
Default 
True or 
False 
Set this switch to be the Grand Master. 
False 
  Status 
Setting 
Description 
Factory 
Default 
N/A 
Shows the current IEEE 1588 PTP status. 
N/A 
PTP Port Settings 
Shows the current switch PTP port settings. 










