Provisioning Expansion Shelf Ptp/Synce Outputs - Symmetricom TimeProvider 5000 User Manual

Chapter 4 Provisioning

Provisioning Expansion Shelf PTP/SyncE Outputs

Provisioning Expansion Shelf PTP/SyncE Outputs
The following actions are required to provision an expansion shelf:
Enable DTI for each expansion shelf

Provision output signals for each expansion shelf

Enable state(s) of output(s)

Provisioning DTI for an Expansion Shelf
1. Login at the Admin or Config-user level.
2. Type
set exp-if dti exp0 in1 enable
3. Type
set exp-if dti exp0 in2 enable
Provisioning PTP Outputs for the Expansion Shelf
The following parameters can be provisioned for the PTP outputs on the
PTP/SyncE expansion shelf:
State

Timescale

Clock Mode (One Step vs. Two Step)

Alternative Master

Priority Level

Domain

Dither

Clock ID

The TP5000 PTP/SyncE Expansion Shelf only supports multicast addressing mode.
The PTP/SyncE Expansion Shelf operates per the multicast communication model,
which specifies that each PTP message sent from the expansion shelf PTP output
ports is capable of being received and processed by all PTP ports on the same PTP
communication path. The PTP transport for the expansion shelf is Ethernet,
because the expansion shelf is implemented using Layer 2. The transport for PTP
outputs on the TP 5000 IOC cards is IPv4, because the default implementation is
Layer 3. Unicast, static or dynamic, is not supported for the PTP/SyncE expansion
shelf outputs.
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098-00028-003 Revision A – June, 2011