TN4 is a 4-way OTU2 hybrid line board, supporting access to 4x 10GE services through the backplane (mapped to 32 virtual interfaces based on interfaces and VLANs) and 4 channels of STM-16 services, which aggregates to 4 channels of OTU2 services and uplinks to the OTN network. It has multiple adjustable parameters including ODUK/VC/PKT/FEC overhead.
Specifications
Interface
4x SFP/SFP+
Protection Mode
ODU0/ODU1/ODUflex SNCP 1+1 Protection for Intra-card/Inter-board;
1+1 MSP and VC12/VC3/VC4 SNCP Protection for SDH Services
1+1 MSP and VC12/VC3/VC4 SNCP Protection for SDH Services
Alarm Masking
Based on Alarm Type or Port
Performance Monitoring and Alarm
Support PM, SM, TCMi Layer Alarm, Performance Monitoring and Processing
Clock
Support Receive Clock Recovery Signals and Transmission Frequency;
Support 2-way Clock Source, Select Valid Clock as System Clock
Support 2-way Clock Source, Select Valid Clock as System Clock
Unified Cross Mode Cross Function
Intra-card/Inter-board ODU0/1/2/flex Cross Connection;
Two-way Cross Connection and SNCP
Two-way Cross Connection and SNCP
ECC
Support up to 16 GCC, GCC0/1/2 are Optional
Integrated Network Management Southbound Interface
Support GCC2 and TCM2 to Carry Management Information
Temperature Detection
Supported
Error Correction
Support GFEC and no FEC
Uplink Rate
OTU2
Loopback
Supported
Reset
Software Reset
Upgrade
Support Upgrading the Software
Optical Module Management
Support DDM
Hot Swapping
Supported
