OSN3500 Huawei OSN2500 Optix OSN1500 SSN5EFS0 Single Board Functions and Features
The EFS0 single board supports Layer 2 switching, MPLS, multicast, and other functions and features.
The specific functions and features of the EFS0 single board are shown in Table 1.
Table 1 Functions and features of the EFS0 single board
Functions and features Description
Basic function Handles 8-channel FE services
Cooperate with the outgoing board Cooperate with the ETF8 to realize 8-channel electrical port FE signal access.
Match with EFF8 to realize 8-channel optical port FE signal access.
Match with ETS8 and TSB8 to realize TPS protection for 8-channel electrical port FE signal.
Interface Specifications Support 10Base-T/100Base-TX with ETF8.
Support 100Base-FX with EFF8. Meet IEEE802.3u standard.
Service Frame Format Ethernet II, IEEE 802.3, IEEE 802.1 q/p
Supports frame length from 64Byte to 9600Byte, and supports Jumbo frames up to 9600Byte.
Maximum uplink bandwidth Maximum uplink bandwidth of N1EFS0 is 622Mbit/s
Maximum uplink bandwidth of N2EFS0 is 1.25Gbit/s
Maximum uplink bandwidth of N4EFS0 is 1.25Gbit/s
Number of VCTRUNKs The number of VCTRUNKs of N1EFS0 is 12
The number of VCTRUNKs of N2EFS0 is 24
N4EFS0 The number of VCTRUNKs of N1EFS0 is 24
Mapping Method VC-12, VC-3, VC-12-Xv (x≤63), VC-3-Xv (x≤12)
Encapsulation Format GFP
EPL Supports PORT-based transparent transport and PORT+VLAN-based Ethernet leased line services.
EVPL Supports EVPL services using MartinioE and stack VLAN frame encapsulation formats.
EPLAN supports Layer 2-based aggregation and point-to-multipoint aggregation.
Supports the forwarding function of Layer 2 switching.
Supports user-side switching and SDH network-side switching.
Supports source MAC address self-learning function, MAC address table size is 16k, supports MAC address aging time setting and query.
Supports static MAC routing configuration.
N1EFS0 and N2EFS0 support dynamic MAC address query, and support querying the number of actual learned MAC addresses by VB+VLAN or VB+LP.
N4EFS0 does not support dynamic MAC address query, and supports querying the number of actual learned MAC addresses by VB+VLAN or VB+LP.
Supports data isolation based on VB (Virtual Bridge) + VLAN method.
Supports creation, deletion and query of VBs. The maximum number of VBs is 16, and the maximum number of logical ports per VB is 30.
EVPLAN Supports EVPLAN service, N1EFS0 uses MPLS Martini OE, MPLS Martini OP and stack VLAN frame encapsulation format, N2EFS0 and N4EFS0 use MPLS Martini OE and stack VLAN frame encapsulation format.
MPLS Technology Support
VLAN IEEE 802.1q/p
VLAN Aggregation Support, 4k VLANs
Rapid Spanning Tree (RSTP) Supports broadcast message suppression and Rapid Spanning Tree Protocol (RSTP), compliant with IEEE 802.1w.
Multicast (IGMP Snooping) Support
ETH-OAM N4EFS0 supports multicast CC (continuity check), unicast LB (Loopback) test.
CAR support with a granularity of 64 kbit/s.
Service-based
QoS Flow Classification N1EFS0 supports PORT, PORT+VLAN ID, PORT+VLAN PRI based on service classification.
N2EFS0 and N4EFS0 support PORT, PORT+VLAN ID, PORT+VLAN ID+VLAN PRI based on flow classification. .
LCAS ITU-T G.7042, which enables dynamic increase, dynamic decrease, and protection functions of bandwidth.
LPT The LPT function is supported and can be set to enable and disable.
Flow Control Function Port-based IEEE 802.3x flow control.
Test Frames Supports receiving and sending Ethernet test frames.
Loopback Function Supports internal loopback for Ethernet ports (PHY layer or MAC layer). Supports inner loopback and outer loopback at VC-3 level.
Ethernet Performance Monitoring Supports port-level Ethernet performance monitoring.
Alarms and Performance Provides rich alarms and performance events for easy device management and maintenance.


Shenzhen Optical Transmission Network Technology Co., Ltd Main products: Sales and installation of Huawei's various series of products. Including SDH Optical Terminal: OSN1500, OSN1500B, OSN2500, Huawei OSN3500, Huawei SDH Optical Terminal OSN7500; Huawei Metro1000, Metro2050, OptiX2500+, Huawei Metro3000, Metro5000 and PCM integrated access equipment: FA16, FA02, BX10, etc.
Welcome new and old customers to call us for consultation Manager Wang Tel: 134-3098-8088


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The technical information in this chapter and the related troubleshooting process of SDH equipment Provided by Shenzhen Optical Transmission Network Technology Co., Ltd (www.opticaltrans.com), please retain the reproduction. Huawei SDH optical transmission equipment, SDH transmission equipment sales phone: 13430988088 Welcome to telephone counseling!