18529092692

Chinese English
Home >> News
News
OSN2500 Switch Class Single Board Features
| 2025-11-21|Back

Functions and Features Description
Basic Functions Handle 8-channel FE service
Interface Type
  • Support 10Base-T/100Base-TX when used with ETF8.
  • Support 100Base-FX/LX/VX/ZX in conjunction with EFF8, meeting IEEE 802.3u standard.
  • N5EFS0 supports 100Base-TX when used with ETF8A.
  • N5EFS0 works with EFF8A to support 100Base-FX/LX. meets IEEE 802.3u standard.
Match with Outlet Board
  • Match with ETF8 to realize 8-channel FE telecom signal access.
  • Work with EFF8 to realize 8-channel FE optical signal access.
  • Match with ETS8 and TSB8 to realize 8-channel FE electrical signal TPS protection.
  • N5EFS0 can also cooperate with ETF8A to realize 8-channel FE electrical signal access.
  • N5EFS0 can also cooperate with EFF8A to realize 8-channel FE optical signal access.
Interface Characteristics Working Mode
  • FE electrical interface: supports self-negotiation, 100M full-duplex, 100M half-duplex, 10M full-duplex, 10M half-duplex.
  • FE optical port: 100M full duplex.
  • When N5EFS0 is used with ETF8A, only self-negotiation and 100M full duplex are supported.
Port Flow Control Self-negotiation Supported (not supported on FE optical ports)
Non-self-negotiation Support (non-self-negotiation flow control is not supported when used with EFF8 single board)
Port status query/configuration Supported
Interface type query Support
Optical power threshold setting Not supported
Pluggable Optical Module Not Supported
Service Type EPL Supports PORT-based transparent transport.
EVPL
  • Supports EVPL service with shared PORT.
  • Supports EVPL service with shared VCTRUNK.
    • VLAN tag isolation based
    • MPLS label-based isolation
  • Supports up to 4096 LINK services.
EPLAN

N4EFS0/N5EFS0 supports EPLAN services based on IEEE 802.1d MAC bridge.

  • Maximum support 2K blacklists and 2K static MAC addresses, shared 2K. blacklists on N5EFS0 boards only support destination MAC address checksums, not source MAC address checksums.
  • Support source MAC address self-learning function, MAC address table size is 16K, support MAC address aging time setting and query.
  • Supports static MAC routing configuration.
  • N4EFS0/N5EFS0 supports dynamic MAC address query.
  • The maximum number of VBs supported is 16, and the maximum number of logical ports per VB is 30.
  • Supports querying the number of actual learned MAC addresses by VB+VLAN or VB+LP.
EVPLAN
  • Supports EVPLAN virtual bridge.
  • Supports data isolation based on VB+VLAN method.
  • Supports setting up to 4096 VLAN services.
  • Supports EVPLAN services based on IEEE 802.1q Virtual Bridge.
Service Specifications Ethernet Data Frame Format IEEE 802.3 Supports
Ethernet II Supported
IEEE 802.1 q/p Supported
Frame Length Range Support 1518Byte～9600Byte message length setting, support Jumbo frames up to 9600Byte.
Binding bandwidth

N1EFS0: 12xVC-3 or 63xVC-12+9xVC-3

N2EFS0/N4EFS0/N5EFS0: 24xVC-3 or 126xVC-12+18xVC-3
Mapping method VC-12-Xv (x≤63), VC-3-Xv (x≤12)
Package format HDLC Not supported
LAPS Not supported
GFP-F Supported
MPLS Technology Supported
VLAN Technology Supports 4094 VLAN tags, VLAN technology meets IEEE 802.1q/p standard.
Maximum Uplink Bandwidth
  • The maximum uplink bandwidth of N1EFS0 is 622Mbit/s.
  • The maximum uplink bandwidth of N2EFS0/N4EFS0/N5EFS0 is 1.25Gbit/s.
  • Support slot bandwidth adaption.
VCTRUNK Specifications
Quantity:
  • The number of VCTRUNKs for N1EFS0 is 12.
  • The number of VCTRUNK for N2EFS0/N4EFS0/N5EFS0 is 24.

Configuration features:

  • After the VC channel of each level is used by one VCTRUNK binding, other VCTRUNKs can no longer be used.
  • VCTRUNK1 to VCTRUNK12 are required to be bound for use when the bandwidth of the N2EFS0/N4EFS0/N5EFS0 slot is 622 Mbit/s.
  • VCTRUNK1 to VCTRUNK12 of N1EFS0/N2EFS0/N4EFS0 can only bind channels of 1 to 4 VC-4, and VCTRUNK13 to VCTRUNK24 can only bind channels of 5 to 8 VC-4.
  • The two VC-4s, 4 and 8, can be bound to both VC-3 and VC-12 channels, while the other VC-4s can only be bound to VC-3 channels.
  • The same VCTRUNK can only be bound to one level of channel, it cannot be bound to both VC-12 channels and VC-3 channels.
Protection Mode TPS N1EFS0 is not supported, N2EFS0/N4EFS0/N5EFS0 are supported.
BPS Not supported
PPS Not supported
DLAG Not supported
LAG

N1EFS0 does not support link aggregation, N2EFS0/N4EFS0/N5EFS0 support manual link aggregation and load sharing. Meets IEEE 802.3ad and IEEE 802.1AX standards.

LCAS

N1EFS0/N2EFS0 are not supported.

N4EFS0/N5EFS0 is supported to realize dynamic increase, dynamic decrease and protection function of bandwidth, which meets ITU-T G.7042 standard.

LPT N1EFS0/N2EFS0 support point-to-point LPT, and N4EFS0/N5EFS0 support point-to-point LPT and point-to-multipoint LPT, meeting Huawei's internal protocol standards.
STP/RSTP Supports the broadcast message suppression function and Rapid Spanning Tree Protocol (RSTP), meeting the IEEE 802.1w standard.
MSTP MSTP does not support
Clock Synchronization Synchronous Ethernet Not supported
1588v2 Not Supported
Maintenance Features ETH OAM
  • N1EFS0 and N2EFS0 are not supported.
  • N4EFS0/N5EFS0 supports CC, LB, and LT to meet the IEEE 802.1ag standard; it supports OAM_Ping to meet Huawei's internal protocol standard.
  • N4EFS0/N5EFS0 supports OAM auto-discovery, remote loopback, fault detection, and link performance monitoring, which meets the IEEE 802.3ah standard; it supports self-loop detection, which meets Huawei's internal protocol standard.
Test Frames
  • N1EFS0/N2EFS0 supports test frames under Ethernet bearer mode.
  • N4EFS0/N5EFS0 support test frames in Ethernet/GFP bearer mode.
Responding to Ping Function

Supports setting and querying the IP address of the single board (only supported by N5EFS0).

Port Mirroring Not supported by N1EFS0/N2EFS0/N4EFS0, N5EFS0 supports inbound port mirroring.
Loopback Capability Ethernet port PHY layer Supports inner loopback
Ethernet port MAC layer Supports inner loopback
VC-4 level Not supported
VC-3 level N1EFS0/N2EFS0/N4EFS0 support inner loopback and outer loopback, N5EFS0 does not.
VC-12 level Not supported
RMON Port-level Ethernet performance monitoring is supported.

The N5EFS0 also supports VCG-based Ethernet performance monitoring.

Soft Reset N1EFS0/N2EFS0 support soft reset, which interrupts the service.N4EFS0/N5EFS0 support soft reset, which does not affect the service. When N4EFS0/N5EFS0 multi-board ID replaces N1EFS0/N2EFS0, soft reset is supported and soft reset does not affect the service.
Hard reset Support
Alarm and Performance Provides rich alarms and performance events for easy device management and maintenance.
QoS
  • Supports CAR with a granularity of 64kbit/s.

  • N1EFS0 supports service classification based on PORT, PORT+VLAN, and PORT+VLAN PRI.

  • N2EFS0, N4EFS0 and N5EFS0 support flow classification based on PORT, PORT+VLAN, PORT+VLAN+VLAN PRI.
IGMP Snooping Protocol Enablement Supports
Port Aging Time Support for
Fast Leave

N1EFS0, N2EFS0 and N4EFS0 are not supported.

N5EFS0 is supported.

Unknown multicast message discard

Not supported by N1EFS0, N2EFS0 and N4EFS0.

N5EFS0 supports it.

Static multicast table entries Not supported
Flow Control Port-based IEEE 802.3x flow control is supported.
Description:

Only EPL services support port-based flow control.

Traffic Monitoring N5EFS0 supports port and VCTRUNK based traffic monitoring.
OSN2500 SSN1EFS0A Single Board Functional Features


OptiXOSN2500 provides a variety of single boards with Ethernet switching functions to realize different Ethernet service requirements.

The specific functions and features of the EFS0 single board are shown in Table 1.

The specific functions and features of EFS0A single board are shown in Table 2.

Functions and Characteristics Description
Basic Functions Process 16-channel FE services.
Interface Type
  • Use with ETF8 to support 10BASE-T/100BASE-TX and meet IEEE 802.3u standard.
  • Support 100BASE-FX/LX with EFF8 to meet IEEE 802.3u standard.
Match with Outlet Board
  • Work with ETF8 to realize 16-channel FE telecom signal access.
  • Work with EFF8 to realize 16-channel FE optical signal access.
  • 8-channel FE electrical signal and 8-channel FE optical signal access with ETF8 and EFF8.
  • Cooperate with ETS8 and TSB8 to realize 16-channel FE electrical signal TPS protection.
Interface Characteristics Working Mode

FE electrical interface: supports self-negotiation, 100M full-duplex, 100M half-duplex, 10M full-duplex, 10M half-duplex.

FE optical port: 100M full duplex.

Port Flow Control Self-negotiation Supported (not supported on FE optical port)
Non-self-negotiation Support
Port Status Query/Configuration Supported
Interface type query Support
RMON Statistics Support
Optical Power Threshold Setting Not Supported
Pluggable Optical Module Not Supported
Service Type EPL Supports PORT-based transparent transport.
EVPL
  • Supports EVPL service with shared PORT.
  • Supports EVPL service with shared VCTRUNK.
    • VLAN tag isolation based
    • MPLS label-based isolation
  • Supports up to 4096 LINK services.
EPLAN
  • Maximum support 2K blacklists and 2K static MAC addresses, 2K shared. Blacklist only supports destination MAC address checksum, not source MAC address checksum.
  • Support source MAC address self-learning function, MAC address table size is 16k, support MAC address aging time setting and query.
  • Supports static MAC routing configuration.
  • Support dynamic MAC address query.
  • The maximum number of VBs supported is 16, and the maximum number of logical ports per VB is 48.
  • Supports querying the number of actual learned MAC addresses by VB+VLAN or VB+LP.
  • Supports EPLAN service based on IEEE 802.1d MAC bridge.
EVPLAN
  • Supports data isolation based on VB+VLAN method.
  • Supports setting up to 4096 VLAN services.
  • Supports EVPLAN services based on IEEE 802.1q Virtual Bridge.
  • Supports EVPLAN services based on IEEE 802.1q Virtual Bridge and IEEE 802.1ad Provider Bridge.
Service Specifications Ethernet Data Frame Format IEEE 802.3 Supports
Ethernet II Supported
IEEE 802.1 q/p Supported
Frame Length Range Support 1518Byte～9600Byte message length setting, support Jumbo frames up to 9600Byte.
Bound bandwidth 48xVC-3 or 252xVC-12+36xVC-3
Mapping Method VC-12-Xv (x≤63), VC-3-Xv (x≤12)
Package format HDLC Not supported
LAPS Not supported
GFP-F Supported
MPLS Technology Supported
VLAN Technology Supports 4094 VLAN tags, VLAN technology meets IEEE 802.1q/p standard.
Maximum Uplink Bandwidth Maximum uplink bandwidth is 2.5Gbit/s, supporting slot bandwidth adaption.
VCTRUNK Specifications

Quantity: 32

Configuration features:

  • After each level of VC channel is used by one VCTRUNK binding, other VCTRUNKs can no longer be used.
  • VCTRUNK1 to VCTRUNK16 are required when the slot bandwidth is 1.25G bit/s.
  • The same VCTRUNK can only bind one level of channel, and cannot bind both VC-12 and VC-3 channels.
  • The 4th, 8th, 12th, and 16th VC-4s can be bound to both VC-3 and VC-12 channels, while the other VC-4s can only be bound to VC-3 channels.
Protection Mode TPS Support
BPS Not Supported
PPS Not Supported
DLAG Not supported
LAG

Supports manual link aggregation and load sharing to meet IEEE 802.3ad and IEEE 802.1AX standards.

LCAS Enables dynamic bandwidth increase, dynamic decrease and protection functions, meeting ITU-T G.7042 standards.
LPT Supports point-to-point LPT and point-to-multipoint LPT, meeting Huawei's internal protocol standards.
STP/RSTP Supports the broadcast message suppression function and the Rapid Spanning Tree Protocol, meeting the IEEE 802.1w standard.
MSTP does not support
Clock synchronization Synchronous Ethernet Not supported
1588v2 Not Supported
Maintenance Features ETH OAM
  • Supports CC, LB, and LT to meet IEEE 802.1ag standards; supports OAM_Ping to meet Huawei's internal protocol standards.
  • Supports OAM auto-discovery, remote loopback, fault detection, and link performance monitoring, meeting IEEE 802.3ah standards; supports self-loop detection, meeting Huawei's internal protocol standards.
Test Frames Supports test frames under Ethernet/GFP bearer mode.
Responding to Ping Function Supports setting and querying the IP address of the single board.
Port Mirroring Supports mirroring of incoming ports.
Loopback Capability Ethernet port PHY layer Supports inner loopback
Ethernet port MAC layer Supports inner loopback
VC-4 level Not supported
VC-3 Level Not supported
VC-12 level Not supported
RMON Supports port-level and VCG Ethernet performance monitoring.
Soft Reset Supported
Hard Reset Supports
Alarms and Performance Provides rich alarms and performance events for easy device management and maintenance.
QoS
  • Supports CAR with a granularity of 64kbit/s.
  • Supports flow classification based on PORT, PORT+VLAN, PORT+VLAN+VLAN PRI.
IGMP Snooping Protocol Enable Supports
Port Aging Time Support for
Fast Leave Not Supported
Unknown Multicast Message Discard Not Supported
Static multicast table entries Not supported
Flow Control Port-based IEEE 802.3x flow control is supported.
Description:

Only EPL services support port-based flow control.


Sales OSN2500B SSN5EFS0_Product Quotation_Sales Manufacturer_Product Characteristics_Product Description_Huawei SDH Transmission Equipment Sales
OSN2500B SSN5EFS0_Troubleshooting_Installation_Tuning_Technical Specification_Technical Parameters_Huawei SDH Transmission Equipment Sales

Recommended newsMore+
Recommended Product
Contact Us
Name：Mr Zhang
Phone：18529092692
Tel：18529092692
Email：info@opticaltrans.com
Address：Cuiguang 1st Distriuct Buiding 8th， Shenzhen， Guangdong Province
Contact
18529092692
Phone：18529092692
Email：info@opticaltrans.com
Address：Cuiguang 1st Distriuct Buiding 8th， Shenzhen， Guangdong Province
Follow Us
Otrans Technology is a high-tech enterprise deeply engaged in optical transmission and network communication equipment, specializing in...
Copyright © 2025 Otrans all right reserve XML 网站模板