User`s manual
Table Of Contents
- 1. Introduction
- 2. Getting Started
- 3. Featured Functions
- Configuring Basic Settings
- Using Port Trunking
- Configuring SNMP
- Using Communication Redundancy
- Using Traffic Prioritization
- Using Virtual LAN
- Using Multicast Filtering
- Using Bandwidth Management
- Using Port Access Control
- Using IP Filter
- Using Auto Warning
- Using Line-Swap-Fast-Recovery
- Using Set Device IP
- Using Diagnosis
- LLDP
- Using Monitor
- Using the MAC Address Table
- Using System Log
- Using HTTPS/SSL
- A. MIB Groups
- B. Specifications
- C. Modbus/TCP Map

PT-7728 User’s Manual Featured Functions
3-12
PTP Setting
Operation IEEE 1588/PTP
Setting Description Factory Default
Operation Disable or enable IEEE 1588(PTP) operation Disabled
Configuration IEEE 1588/PTP
Setting Description Factory Default
Clock Mode Supports software-based IEEE 1588(PTP) mode Disabled
Sync Interval Period for sending synchronization messages (in
seconds)
Disabled
Subdomain Name Support _DFLT(Default) domain only _DFLT
Status
Setting Description Factory Default
Offset To Master
(nsec)
Deviation between local time and the reference
clock (in nanoseconds).
Grandmaster UUID When the clock has a port in PTP_SLAVE state,
this member’s value is the value of the grand master
Clock's Uuid field of the last Sync message received
from the parent of the slave port.