The specific functions and features of the Huawei OSN3500 SSN1EFT8A single board are shown in Table 1.
Table 1 Functions and features of the EFT8 single board
Functions and features Description
Basic functions 8- or 16-channel FE transparent transmission
Works with the outgoing board Self-implemented 8-channel electrical Ethernet signal access;
Works with the ETF8 to implement 16-channel electrical Ethernet signal access;
Works with the EFF8 to implement 8-channel Ethernet optical signal and 8-channel Ethernet electrical signal access.
Interface Specifications Support 10Base-T/100Base-TX with ETF8;
Support 100Base-FX/100Base-TX with EFF8. Meet IEEE802.3u standard.
Service Frame Format Ethernet II, IEEE 802.3, IEEE 802.1qTAG
Supports frame length from 64Byte to 9600Byte, and supports Jumbo frames not larger than 9600Byte.
Maximum uplink bandwidth 1.25 Gbit/s
Number of VCTRUNK 16
Encapsulation format HDLC, LAPS, GFP-F
Mapping method VC-3, VC-12, VC-12-Xv (X ≤ 63) and VC-3-Xv (X ≤ 3)
Ethernet service type Supports EPL
MPLS is not supported
VLAN Transparent transmission of VLAN is supported
LPT is not supported
CAR Not Supported
Flow Control Function IEEE 802.3x flow control based on FE ports
LCAS ITU-T G.7042, which enables dynamic increase, dynamic decrease, and protection functions of bandwidth.
Test Frames Supports receiving and transmitting GFP test frames.
Ethernet Performance Monitoring Supports port-level Ethernet performance monitoring.
Alarms and Performance Provides rich alarms and performance events to facilitate equipment management and maintenance

The technical information in this chapter and the related SDH equipment troubleshooting procedures are provided by Shenzhen Optical Transmission Network Technology Co. Huawei SDH optical transmission equipment, SDH transmission equipment sales phone: 13430988088 Welcome to call!