Atop Industrial Managed Ethernet Switch
EH7510
User Manual V 1.0
25
Table 2.10
Label
Description
Factory Default
State
Enabled/Disable the PTP function
Unchecked
Version
Set the PTP operation version
1
Clock Mode
PTP (Precision Time Protocol) clock type selection.
End-to-End
Transport
Ethernet (layer 2) multicast transport or layer 3 (UDP/IP)
multicast transports for PTP (Precision Time Protocol)
messages’ selection.
Ethernet
Sync Interval
Set the interval of the sync packet transmitted time
1
Clock
Stratum
To set the Clock Stratum. The lower values take
precedence to be selected as the master clock in the
best master clock algorithm.
3
Clock Class
Clock’s accuracy level, it’s an attribute of an ordinary or
boundary clock; denotes time traceability or frequency
distributed by the grandmaster clock. Please refer to
IEEE 1588-2008, Table 5 for definitions, allowed values,
and interpretation.
248
priority 1
To set the clock priority 1 (PTP version 2). The lower
values take precedence to be selected as the master
clock in the best master clock algorithm.
128
priority 2
To set the clock priority 2 (PTP version 2). The lower
values take precedence to be selected as the master
clock in the best master clock algorithm.
128
UTC Offset
UTC offset value
0
Offset
To
Master
The offset time to the master clock
None
Grandmaster
UUID
The grand master UUID for PTP version 1
None
Parent UUID
The parent master UUID for PTP version 1
None
Clock
Identifier
The clock identifier for PTP version 1
None
The lower part of Fig. 2.20 shows how to configure PTP and to see its status per port.
Table 2.11
Label
Description
Factory Default
Port
Port number
None
Enabled
The port mode information, it indicates that the PTP port
function is enabled or disabled.
None
Status
PTP port operation status
None
Mode
Enabled/Disabled PTP port function
Disabled
