User`s manual
Chapter 1 Overview
2
Using GFP (according to G.7041) or LAPS (X.85/86) encapsulation
transport Ethernet over SDH, comply with G.707
Link Capacity Adjustment Scheme (LCAS) following G.7042 standard.
Support VC-3/VC-12 cross connect mapping
High order payload with virtual concatenation – mapping the Ethernet
traffic over up to 1xVC-4 links
Low order payload with virtual concatenation – mapping the Ethernet
traffic over up to 63 x VC -12 / 3 x VC-3
GFP MUX, groom multiple Ethernet ports traffic into different bundles of
Virtual Containers (up to 6 bundles), according to a predefined group
Ethernet Line-Service (Point to Point) and Ethernet LAN-Service
(Multipoint to Multipoint)
System clock synchronization from primary internal clock; secondary
clock from STM-1 or tributary
Configurable through user friendly Web-Interface
Manage remote unit via dedicated VC-12 channel or DCC channel
Selectable DCC channels: D1~D3, D4~D12, D1~D12
Layer 2 Bridge / Switch Mode
Support bridge function for LAN1~LAN4
IGMP snooping
Spanning Tree Protocol (STP IEEE 802.1D) and status monitoring
QoS (VLAN or DSCP selection) via four priority queues, supporting IEEE
802.1P, IPv4 TOS / DiffServ
Provide port-based VLAN, 802.1Q VLAN tagging up to 64 VLAN IDs
Switch mode supports Ethernet packet length up to 1536 bytes
Transmission Mode
8 E1 links + 6 Fast Ethernet
Interfaces
STM-1 Interface: