PTN 7900(E) series
- Classification:Slice Packet Network Platform
- Release time:2025-11-17
- Page views:0
PTN 7900(E) series
- Classification:Slice Packet Network Platform
- Release time:2025-11-17
- Page views:0
The OptiX PTN 7900 is a new generation of high-capacity, high-bandwidth, and service-intelligent packet transport core equipment. It is the industry's first SDN-based PTN product, supporting large ports of 40GE/50GE/100GE/400GE, with service intelligence, traffic visibility, quality assessment, and capacity prediction. It adopts a brand-new SDN architecture to effectively support the long-term evolution of enterprises and multi-service carrying.
Huawei has taken the lead in the industry by releasing the SPTN solution, launching a future-oriented packet transport network that supports multi-service convergence, high bandwidth, differentiated quality assurance, and can be applied to core transmission equipment in production networks of industries such as power, transportation, and mining.

1. Ultra-wide, high-performance core support
Supports massive service forwarding to meet the capacity requirements of core nodes; 40GE/50GE/100GE/400GE ultra-large bandwidth ports provide unimpeded access for services; strong aggregation capabilities support massive base station capacity.
2. Superior forwarding processing, with free scheduling at the core layer.
Powerful routing capabilities, supporting extremely large routing tables; robust VPN capabilities, multi-service support, meeting flexible scheduling needs of various interfaces.
3. High reliability, safeguarding the core network
The main control unit, cross-connect units, power supplies, and fans feature redundant design, providing device-level protection; it supports rich network-level protection such as ring network, dual-homing, VPN FRR, and LSP APS to ensure reliable service forwarding; and its leading Y.1731 and MPLS-TP OAM technologies enable refined end-to-end monitoring of services.
Technical parameters
| parameter | PTN 7900E-12 | PTN 7900E-24 | PTN 7900E-32 |
| Switching capacity | 12 Tbps | 24 Tbps | 32 Tbps |
| slot | 12 processing boards, 2 crossover boards, 2 main control boards, 2 power supply boards, 2 fan boards | 24 processing boards, 2 crossover boards, 2 main control boards, 8 power supply boards, and 4 fan boards. | 32 processing boards, 7 cross-connect boards, 2 main control boards, 10 power supply boards, 1 EMI filter interface board, and 4 fan boards. |
| Whole machine access capability | 200GE optical: 24 100GE optical: 96 50GE optical: 96 40GE optical: 24 25GE optical: 288 10GE optical: 288 GE optical: 288 FE optical: 24 E1: 378 STM-1: 128 | 200GE optical: 48 100GE optical: 192 50GE optical: 192 40GE optical: 48 25GE optical: 384 10GE optical: 576 GE optical: 576 FE optiocal: 576 E1: 378 STM-1: 128 | 200GE optical: 64 100GE optical: 256 50GE optical: 256 40GE optical: 64 25GE optical: 512 10GE optical: 768 GE optical: 768 FE optical: 768 E1: 378 STM-1: 128 |
| Sub-frame dimensions (W×D×H) | 496mm × 310mm × 697.2mm (15U) | 496mm × 310mm × 1385mm (31U) | 496mm × 310mm × 1900mm (42U) |
| Weight (for empty containers) | 45kg | 95 kg | 118 kg |
| Operating voltage (V) | -48V DC: -40V~-57.6V -60V DC:-48V~-72V | -48V DC: -40V~-57.6V -60V DC:-48V~-72V | -48V DC: -40V~-57.6V -60V DC:-48V~-72V |
| Standard power consumption | 1666W | 2139W | 3324W |
| Environmental requirements | Long-term operating temperature: –5ºC (23ºF) to 50ºC (122ºF); Storage temperature: –40ºC (–40ºF) to 70ºC (158ºF); Relative humidity: 5% to 100%; Long-term operating altitude ≤ 4,000m; Storage altitude < 5,000m | Long-term operating temperature: –5ºC (23ºF) to 45ºC (113ºF); Storage temperature: –40ºC (–40ºF) to 70ºC (158ºF); Relative humidity: 5% to 100%; Long-term operating altitude ≤ 4,000m; Storage altitude < 5,000m | Long-term operating temperature: –5ºC (23ºF) to 45ºC (113ºF); Storage temperature: –40ºC (–40ºF) to 70ºC (158ºF); Long-term operating relative humidity: 5% to 95%; Storage relative humidity: 5% to 100%; Long-term operating altitude ≤ 4,000m; Storage altitude < 5,000m |
| Business type | E-Line, E-LAN, L3VPN, and CES | ||
| Business protection | LMSP, LAG, LSP APS, PW APS, ring network protection, IP/VPN FRR, and VRRP | ||