Spectracom SecureSync 1200 User Reference Manual page 476

APPENDIX
Enable DHCP : This is a checkbox to enable or disable the delivery of IP addresses from
a DHCP Server. The default setting is enabled (the box is checked).
Static IP Address : When a DHCP server is not requested or is requested but not avail
able, the PTP Module will use this IP address. In the format "#.#.#.#" with no leading zer
oes or spaces, where each '#' is a decimal integer from the range [0,255].
Network Mask : When a DHCP server is not requested or is requested but not available,
the PTP Module will use this Network Mask. In the format "#.#.#.#" with no leading zer
oes or spaces, where each '#' is a decimal integer from the range [0,255].
Default Gateway : When a DHCP server is not requested or is requested but not avail
able, the PTP Module will use this Default Gateway. In the format "#.#.#.#" with no lead
ing zeroes or spaces, where each '#' is a decimal integer from the range [0,255].
Contract tab settings
[Default settings in parenthesis]
Min Sync Interval : The minimum value of Sync interval granted by the Master Clock. In
packets per second. [128 Per Second]
Max Sync Duration : The maximum value of Sync interval granted by the Master Clock.
In seconds. [10000]
Min Announce Interval : The minimum value of the Announce interval granted by the
Master Clock. In packets per second. [128 Per Second
Max Announce Duration : The maximum value of the Announce interval granted by the
Master Clock. In seconds. [10000]
Min Delay_Req Interval : In packets per second. [128 Per Second]
460
One-Step Master: The Sync packet is timestamped, then the timestamp is inserted
into the Sync packet in real-time, as it is transmitted.
Two-Step Master : The Sync packet is timestamped, but the timestamp value in the
Sync packet is ignored. The actual T1 value is transmitted in a "Follow-Up" packet
after the Sync packet.
Note: PTP Masters must select one mode or the other to operate in.
The default mode is one-step.
Note: The settings under this tab only apply to Unicast mode.
SecureSync User Reference Guide