FONST 5000 U/N series are high end large capacity multi-service packet optical transport platform applicable to various network levels, such as super backbones, backbones, and metropolitan layers. With centralized universal cell switching, FONST 5000 U/N series POTN support universal access, switching and transport of different service granularities such as ODU/VC/PKT, and can be configured as POTN/OTN/WDM/PTN modes dynamically according to specific applications.
FONST 5000 U/N series POTN integrate a variety of functions, including ROADM, T-bit universal switching, full-granularity grooming ranging from 2 Mbit/s to 100 Gbit/s, ASON/GMPLS, 10G/40G/100G/400G/600G/800G transmission, and various management and protection functions. FONST 5000 U/N series POTN are converged network product aimed to simplify network layers, reduce layered network elements, improve carrying efficiency and lower the total cost of ownership.
32T Cross-connect Capacity for service grooming and dispatching.
1T backplane bandwidth per slot to support 100G/200G/400G/600G/800G data rate.
40/48 to 80/96 wavelengths scalable transmission capability for SMF.
Centralized universal switching for VC/PKT/ODU.
Multi-services universal access,including STM-1/4/16/64/256,GE/10GE/40GE/100GE, OTU1/OTU2/OTU3/OTU4,SAN and Video etc.
Support VLAN, MPLS-TP and GE/10GE/40GE/100GE services statistical multiplexing to improve bandwidth utilization.
Multiple network-level protection schemes and ASON/GMPLS network
management capability to protect services.
Comprehensive equipment protection for power supply devices, fans, and system control board 1+1, and cross-connection resource pools.
Support statistical analysis and automatic optimization on performance parameters including optical power, OSNR and error rate (Q value). The system will generate reports and optimize them automatcally.
Support optical channel power automatic balance, automatic optimization,automatic compensation, and card automatic discovery to lower the cost of maintenance.
Support standard G.709 interface and provides abundant OTN overhead for wavelength services.
Support 1588V2 time and frequency synchronization protocol.
Provide physical layer clock synchronization and Ethernet time synchronization.
Advanced IAMS for network performance supervision, fault isolation, degradation precaution.
Advanced tool OTN Planer for network planning and simulation.
FONST 5000 U/N series support multi-service large-capacity transparent networking application such as the router bypass, the OLT bearer, mobile backhaul bearer, Linerental, etc.
FONST 5000 U/N series can be used to simplify thenetwork layer, reduce network construction and maintenance cost. FONST 5000 U60/N32 is locate and core layer for large services bearer and scheduling. FONST 5000 U60/N32 works with FONST 5000 U30/U20E/U20/U10E/U10 to cover all network layers. Also it works with OTN/PTN/SDH to provide comprehensive solutions.

| Feature | Specifications |
| Service types | STM-1/4/16/64/256, |
| OC3/12/48/192/768, | |
| FE/GE/10GE/40GE/100GE, | |
| ESCON/FICON/FICON EXPRESS | |
| FICON4G/FICON8G/FICON10G/FDDI, | |
| FC100/200/400/800/1200, | |
| OTU1,OTU2,OTU3,OTU4, | |
| HD-SDI/HD-SDIRBR/DVB-ASI/SDI/3G-SDI/3G-SDIRBR | |
| System transmission capacity | 96*100Gbit/s 64*400Gbit/s |
| Electrical cross capacity per subrack | N32: 32Tbit/s |
| U60: 12.8/25.6Tbit/s | |
| U30: 8Tbit/s | |
| U20: 5.2Tbit/s U20E:8.8Tbit/s | |
| U10: 2.4Tbit/s U10E:4.4Tbit/s | |
| Electrical cross granule | ODU0/ ODU1/ ODU2/ ODU2e/ ODU3/ ODU4/ODUflex/VC4/VC3/VC12/Packet |
| Amount of service slots | N32: 32slots |
| U60: 64slots | |
| U30: 40slots | |
| U20: 26slots U20E:22slots | |
| U10: 12slots U10E:11slots | |
| Capacity per Card | Client side: 1/2/4/8*100G, 20*10G, 32* 2.5G, etc. |
| Line side: 1*800G, 2*200G/400G/600G, 4*100G, 20*10G, etc | |
| Protection types | Power/Power card/EMU card/Clock card/ASON control unit 1+1 redundancy |
| Fan/ cross card M+N redundancy, Client services 1+1 | |
| Optical channel/ optical line1+1/1:1, OCh/ODUk 1+1/m:n/Ring | |
| Optical Multiplexing Sector Protection(OMSP) | |
| PW/LSP path 1+1/1:1 and LSP Protection, SNCP 1+1/1:1, | |
| Dual-Home protection, Ethernet LAG protection, | |
| WRAPING protection, Switching time<50ms | |
| Dimension | N32 OTH sub-rack: 1803.3 mm(H)×492.3 mm(W)×330.1 mm(D) |
| U60 OTH sub-rack: 1444 mm(H)×530 mm(W)×570 mm(D) | |
| U30 OTH sub-rack: 1676.5mm(H)x565.7mm(W)x295mm(D) | |
| U20 OTH sub-rack: 1151.5mm(H)x568.3mm(W)x295mm(D) | |
| U20E OTH sub-rack: 1154mm(H)x445mm(W)x286mm(D) | |
| U10 OTH sub-rack: 541mm(H)x565.7mm(W)x295mm(D) | |
| U10E OTH sub-rack: 541mm(H)x565.7mm(W)x295mm(D) | |
| Optical sub-rack: 433mm(H)x565mm(W)x295mm(D) | |
| Synchronization | Physical layer clock synchronization and SyncE |
| External clock input / output interfaces | |
| IEEE1588 V2 time synchronization protocol |