5 Cards
Classification
Function Description
Supports IPv6.
Supports uplink based on routing protocols such as OSPF.
QoS
Supports flow control.
Supports priority queues and processes user services on the basis of
priority.
Maintenance and
management
Supports uplink port mirroring.
Supports remote in-service software upgrade for all cards.
Supports multiple management VLANs and multiple management IP
addresses.
Reports environment monitoring and alarm information for the
equipment and the connected ONUs.
Reliability
Protects PON ports.
Supports uplink port trunking and uplink redundancy protection.
Supports RSTP to avoid loops in the network.
Supports Multiple Spanning Tree Protocol (MSTP) to avoid proliferation
and infinite loop of packets in a loop network and enable load balance
in a VLAN.
Security
Classifies and filters data packets at Layers 2 to 7.
Provides a strong security protection mechanism with ACL enabled.
Suppresses broadcast packets, multicast packets and unknown
packets to prevent broadcast storms in the network.
Time and clock
synchronization
Supports synchronous Ethernet clock.
Supports the 1588v2 clock.
Working Principle
Figure 5-3 Working Principle of the HSCA Card
Version: B
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