Huawei Original OSN 500 Vagner Optical STM-1 SDH
Short Description:
| Appearance | |
| Dimensions (H x W x D) | 44 mm x 442 mm x 220 mm | 
| Number of valid slots | 2 (excluding the slots for system control, switching, and time boards)/3 (including the slots for system control, switching, and time boards) | 
| Equipment capacity | 7.2 Gbit/s | 
| Service type supported | ATM/IMA, CES, Ethernet and others | 
| Network topology | Point-to-point, chain, star, ring, ring with chain, intersecting rings, tangent rings | 
| Backup and protection | |
| Network-level protection | Tunnel 1:1 APS, PW 1:1 APS/FPS, packet linear MSP, LPT, LAG, MSTP, MRPS, ML-PPP, ERPS | 
| Device-level protection | 1+1 protection for the power supply board Fan protection (The failure in a single fan does not affect the operation of the other fans.) | 
| Maintenance | |
| MPLS OAM | CV, FFD, BDI, FDI, Ping, Traceroute | 
| MPLS-TP OAM | Continuity check (CC), RDI, alarm indication signal (AIS), loopback (LB), linktrace (LT), loss measurement (LM) (only PW-based single-ended LM), LCK (The LCK for PWs and bidirectional tunnels is supported), TST (packet loss test only), PW CSF, two-way delay measurement (DM) | 
| ETH OAM | Ethernet service OAM: CC, LB, LT, AIS, LM (only single-ended LM), DM (only two-way DM), RDI Ethernet port OAM: OAM auto-discovery, link performance monitoring, remote loopback, fault detection, self-loop detection | 
| Synchronization | Synchronous Ethernet Clock IEEE 1588 ACR CES ACR | 
| DCN | |
| Inband DCN | HWECC, IP | 
| TP-Assist | Service configuration: supports end-to-end service configuration and automatic deployment of alarm management. Service commissioning: supports the one-click service connectivity test, one-click service performance test, and automatic test without any instrument. Routine maintenance: supports performance statistics and monitoring and E-Line and E-LAN service path visualization. Fault diagnosis: supports intelligent fault locating, IP ping initiation and response, and service loopback detection. | 
| Standard working voltage | -48 V/-60 V DC power input | 
| Installation method | In a cabinet (including ETSI and 19-inch cabinets), on a wall or desk, or in an open rack | 
| Equipment running environment | |
| Subrack temperature | Long-time operation: -5oC to +55oC Extended operation: -5oC to +65oC | 
| Subrack humidity (relatively) | Long-time operation: 5-85% Short-time operation: 5-95% | 
| Reliability specifications | |
| System availability | 0.999997766 | 
| Annual average repair rate | < 1.5% | 
| Mean time to resolution (MTTR) | 1 h | 
| Mean time between failures (MTBF) | 51.1 years | 
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