2. Enable Phy timestamping on boundary clock.
[edit protocols ptp]
user@host# set e2e-transparent
3. Configure the interface for slave clock. For information on configuring PTP slave clock
interface, see “Configuring a PTP Slave Clock” on page 254.
[edit protocols ptp]
user@host# set slave interface interface-name...
4. Configure the interface for master clock. For information on configuring PTP master
boundary clock, see “Configuring a PTP Master Boundary Clock” on page 244.
[edit protocols ptp]
user@host# set master interface interface-name...
G.703 2.048MHz Signal Type for BITS Interfaces Overview
The ITU-T Recommendation G.703, Physical/electrical characteristics of hierarchical
digital interfaces, is a standard method for encoding clock and data signals into a single
signal. This signal is then used to synchronize various data communications devices, such
as switches, routers and multiplexers at a data rate of 2.048 MHz. Both directions of the
G.703 signal must use the same signal type. To configure signal type parameters for a
building-integrated timing supply (BITS) interface, include the following statements at
the [edit chassis synchronization ] hierarchy level:
interfaces bits {
signal-type (2048khz | e1 | t1);
e1-options {
framing (g704 | g704-no-crc4);
}
t1-options {
framing (esf | sf);
}
}
}
Related
Documentation
synchronization (ACX Series) on page 1739•
• show chassis synchronization on page 2386
Configuring PTP Multicast Master and Slave Ports for Ethernet Encapsulation
On an ACX Series router, you can configure a Precision Time Protocol (PTP) master
boundary clock with IEEE 802.3 or Ethernet encapsulation of PTP messages to the clients
(ordinary and boundary) so that they can establish their relative time offset from this
master's clock or clock reference. PTP over Ethernet uses multicast addresses for
communication of PTP messages between the slave clock and the master clock. The
slave clock automatically learns of master clocks in the network, is immediately able to
Copyright © 2017, Juniper Networks, Inc.274
ACX Series Universal Access Router Configuration Guide
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