Huawei OptiX OSN 7500 II
| Model: | Huawei OptiX OSN 7500 II – Huawei OptiX OSN 7500 II |
| Detail: | Huawei OptiX OSN 7500 II, mainly used as a service scheduling node at the backbone layer of the MAN, located at the metropolitan backbone layer to schedule and transmit services of different types and granularities |
Huawei OptiX OSN 7500 II is a Huawei OSN 7500 system, supplied as a configured node rather than as individual cards. Buying at this level means the shelf, its control and cross-connect, its power arrangement and a defined set of interfaces arrive as one item.
Huawei’s own description of the platform is worth reading in full on the specification tab, but the short version is that this is positioned as a transport platform for the role its documentation describes. Matching the platform to the traffic you actually have matters more than the headline capacity, because a packet platform asked to carry a lot of TDM, or the reverse, works but works awkwardly.
This is SDH-generation equipment, and SDH is a legacy transport technology. The industry moved to packet and to OTN years ago, and the OSN 7500 is not a platform anyone is designing a new network around in 2026.
That is not the same as saying it is useless. A great deal of SDH is still in service carrying E1 and STM-n circuits that work perfectly well, in utilities, rail, broadcast, defence and government networks where the circuits outlive the fashion in transport technology. If that is what you are maintaining, this keeps it running. If you are being offered SDH for something new, push back.
What to settle before ordering a complete system. The power feed available at the site and whether there is battery behind it; whether the configuration is protected; the interfaces the traffic actually needs now and in a few years; and the licences, because on Huawei transmission platforms capacity and ports are frequently licensed separately from the hardware that provides them. A node physically capable of a rate it is not licensed for looks like a fault and is not one. Tell us the site, the traffic and the availability you have promised and we will configure it properly, including the licences and the installation materials that are easy to leave off a quote.
Green Code Technologies supplies Huawei transmission hardware, including line and tributary boards, cross-connect and control cards, optics and the shelves they go in. We are a supplier of Huawei alongside HPE, Dell, Cisco, Samsung and Netgear, and we would rather confirm a part against Huawei’s own documentation than sell you the wrong one, which on OSN 7500 equipment is worth doing. Send us the platform, the subrack and the software release and we will come back with a straight answer.
Huawei OptiX OSN 7500 II Specification | ||
| Dimensions | 800mm (H) x 496mm (W) x 295mm (D) | |
| Switch capacity | Packet: 320 Gbit/s and TDM: 360 Gbit/s (higher order), 40 Gbit/s (lower order), OTN: 560Gbit/s | |
| Service slots | 32 slots, 16 slots for interface boards and 16 slots for processing boards with same bandwidth per slot | |
| Supported interfaces | OTN interface | OTU-1, OTU-2/2e, OTU-3(40G, compliant with OTL3.4 standard) |
| Ethernet interface | FE/GE/10GE/40GE | |
| SDH interface | STM-1/4/16/64 | |
| PDH interface | E1/E3; T1/T3 | |
| ATM interface | E1, STM-1 | |
| WDM interface | 40 DWDM wavelengths, compliant with ITU-T G.694.1 8 CWDM wavelengths, compliant with ITU-T G.694.2 | |
| SAN interface | FDDI, ESCON, FICON/FICON Express, FC100/200/400/800/1200 | |
| PCM interface | FXS/FXO, 2/4W VF & E&MX.21/V.35/V.11/V.24/V.28, RS232/RS422, RS449/RS423A/RS422A, RS530/RS530A,RS485, G.703 64 kbit/s codirectional | |
| Other interface | DDN, Video | |
| Networking Mode
| Supports packet, hybrid (packet + SDH or OTN + SDH) or SDH networking Supporting WDM networking Supporting single-fiber bidirectional transmission | |
| Power Supply | -48V DC/-60V DC | |
| Operation Environment | Temperature
| Long term: -0ºC ~ 45ºC Short term: -5ºC ~ 55ºC |
| Relative Humidity | Long term: 5% ~ 85% Short term: 5% ~ 95% | |
| Ethernet Feature | E-Line and E-LAN, QinQ MPLS-TP based VPWS and VPLS Multi-section pseudo-wire (MS-PW) ETH PWE3, TDM PWE3, ATM/IMA PWE3 IGMP Snooping V2 Blacklist, Broadcast packet suppression, ACL VLAN SWAP | |
| PCM Feature | Voice or data Conference/Meeting,P2MP,MP2MP FXO/FXS mode can be set by software E&M Interface voltage can be set by software (-48V/-12V) E&M signaling can be set by software (Bell types I, II, III, IV, V and British Telecom SSDC5) | |
| QoS
| Hierarchical QoS scheduling and traffic shaping DiffServ mode based on traffic classification, eight priority queues Simple traffic classification, complex traffic classification, per hop behavior (PHB),and ACL Committed access rate (CAR), shaping based on port scheduling priority PQ scheduling priority, weighted fair queuing (WFQ) and PQ+WFQ queuing Tail drop and weighted random early detection (WRED) | |
| OAM | MPLS-TP OAM | LSP/PW OAM: CC, LB, LT AIS, RDI LM, DM LCK, TST CSF |
| MPLS OAM | LSP/PW OAM: FDI, BDI,CV, FFD, TraceRoute, Ping, LM, DM PW OAM: CES PW VCCV | |
| Ethernet OAM | ETH-CC, ETH-Loopback, ETH-Link Trace, Remote Loopback, Remote Fault Detection, RMON(RFC 2819) | |
| Protection | Equipment-level protection | Universal Cross-Connect, System Control and Clock Processing Board 1+1 backup and power 1+1 backup |
| MPLS-TP-based service protection | LSP/PW Linear protection, Ring protection Anti multifailure protection based on MS-PW LAG, MC-LAG, Dual-homing protection, LPT | |
| SDH based Service Protection | 2/4 fiber MS-SP Ring; 1+1/1:n (n<=14) Linear MSPSNCP/SNCTPTributary protection for E1/T1, E3/T3, E4, STM-1(e) and FE | |
| ASON
| Distributed restorable rerouting protection 5-level service dedicated protection scheme based on different SLA: Diamond, Gold, Silver, Copper and Iron services Based on VC-4 and VC-12 granularity | |
| Synchronization | Both Ethernet and SDH networks supporting clock synchronization Supporting G.813, Synchronous Ethernet and IEEE 1588v2 synchronization Adaptive clock recovery (ACR) Two external clock inputs/outputs (2 MHz or 2 Mbit/s) Two external time signals (1pps+TOD) | |
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