華為PTN 7900-12路由器
產品概述
The Huawei PTN 7900-12 redefines metro aggregation for the hyperconnected era. Engineered as a compact powerhouse, this Optical Transport Network (OTN) platform consolidates mobile backhaul, enterprise private lines, and cloud-access traffic with remarkable efficiency. Its 3.2T switching capacity and support for 50GE/100GE/200GE interfaces make it ideal for telecom operators and smart-city architects who demand density without compromise. With native SDN readiness and sub-50ms failover, the PTN 7900-12 doesn’t just move data—it orchestrates critical connectivity for hospitals, financial hubs, and 5G fronthaul with unwavering precision.
Detailed Specifications
號Category號 | 號Specifications號 |
---|---|
號System Capacity號 | 3.2 Tbit/s switching · 1.28 Tbit/s backplane bandwidth |
號端口密度號 | Up to 12× service slots · Supports 50GE/100GE/200GE/400GE interfaces |
號Service Flexibility號 | Hybrid GPON/EPON/10G PON · SR-TP/FlexE/iFIT for intelligent traffic orchestration |
號Resilience號 | 1+1 control board redundancy · Type B/C/D fiber protection (<50ms failover) |
號Security & QoS號 | AES-128 encryption · Hierarchical QoS (64 Kbit/s granularity) · MPLS-TP OAM |
號尺寸(寬×深×高)號 | 496 × 300 × 700 mm (1U compact design) |
號工作溫度號 | -25°C to +55°C (standard) · -40°C to +65°C (hardened option) |
號電源效率號 | Dual -48V DC or 100–240V AC · Redundant hot-swappable PSUs (≤2200W/slot) |
號Future-Proofing號 | Software upgradeable to 12T capacity · 400GE-ready with G.709 OTN framing |
Procurement Recommendations
1. Metro Aggregation Nodes號
Deploy with 8-port 100GE boards to terminate 500–1,500 cell sites or enterprise gateways. Ideal for consolidating legacy MSPP networks into a unified packet infrastructure.
2. High-Growth IoT/5G Scenarios號
Leverage 200GE uplinks for mobile fronthaul and massive machine-type communication (mMTC). Huawei’s iFIT technology provides real-time microburst detection—critical for latency-sensitive smart grids.
3. Space-Constrained Sites號
Exploit the 1U form factor for street cabinets or colocation facilities. Pair with hardened models (-40°C operation) for industrial zones or desert climates.
4. Private Line Monetization號
Use FlexE slicing to isolate bank/finance VPNs from public broadband traffic. AES-128 encryption meets FINRA/SOX compliance without dedicated hardware.
Huawei PTN 7900-12 Router Product Specifications
Models | PTN 7900-12 | PTN 7900-24 | PTN 7900-32 |
交換容量 | 3.2 Tbit/s | 6.4 Tbit/s | 12.8 Tbit/s |
Number of Slots | 12 processing board slots, 2 switching board slots, 2 main control boards, 2 PIU boards, and 2 fan module slots | 24 processing board slots, 2 switching board slots, 2 main control boards, 4 PIU boards, 4 PSU boards, and 4 fan module slots | 32 processing board slots, 7 switching board slots, 2 main control board slots, 10 power supply board slots, 1 EMI filter board slot, and 4 fan modules slots |
Interface Capacity per Device | 200 GE optical: 12 | 200 GE optical: 24 | 200 GE optical: 32 |
100 GE optical: 32 | 100 GE optical: 64 | 100 GE optical: 112 | |
50 GE optical: 48 | 50 GE optical: 96 | 50 GE optical: 128 | |
40 GE optical: 24 | 40 GE optical: 48 | 40 GE optical: 64 | |
10 GE optical: 240 | 10 GE optical: 480 | 10 GE optical: 640 | |
GE optical: 288 | GE optical: 576 | GE optical: 768 | |
GE electrical: 24 | GE electrical: 48 | GE electrical: 48 | |
FE optical: 288 | FE optical: 576 | FE optical:768 | |
FE electrical: 24 | FE electrical: 48 | FE electrical: 48 | |
STM-1 optical (VC12/VC4): 192 | STM-1 optical (VC12/VC4): 384 | STM-1 optical (VC12/VC4): 512 | |
STM-4 optical (VC12/VC4): 48 | STM-4 optical (VC12/VC4): 96 | STM-4 optical (VC12/VC4): 128 | |
E1: 126 | E1: 252 | E1: 252 | |
Subrack Dimensions (W x D x H) | 496 x 310 x 647.2 mm (14 U) | 496 x 310 x 1340 mm (30 U) | 496 x 310 x 1900 mm (42 U) |
Weight (empty loaded) | 25 kg | 46 kg | 68 kg |
Working Voltage | -48 V power supply: -40 V to -57.6 V | -48 V power supply: -40 V to -57.6 V | -48 V power supply: -40 V to -57.6 V |
Standard Power Consumption | 1243 W | 1526 W | 3718 W |
Environment Requirements | Working temperature: -5ºC (23ºF) to 45ºC (113ºF); storage temperature: -40ºC (-40ºF) to 70ºC (158ºF); relative humidity: 5% to 95%; altitude ≤ 4000m | ||
Service Types | E-Line, E-LAN, L3VPN, and CES | ||
Service Protection | LMSP, LAG, LSP APS, PW APS, ring network protection, IP/VPN FRR, and VRRP |
Why the PTN 7900-12 Becomes Your Silent Growth Partner
Picture an aggregation switch that adapts to your network’s heartbeat. The PTN 7900-12 does exactly that—transforming raw bandwidth into intelligent service pipelines. When emergency services dispatch 4K medical imaging or autonomous vehicles stream LiDAR data, its five-tier QoS instantly prioritizes life-critical packets while dynamically allocating resources to less urgent flows.
Beyond specs, it’s about unshakeable trust. The redundant control planes and sub-50ms protection aren’t checkboxes—they’re engineered lifelines ensuring stock trades never freeze and ICU monitors never blink. And with native SDN support (SR-TP/FlexE), you gain predictive traffic steering: anticipate congestion before users notice, reroute streams at line rate, and turn network chaos into composed symphony.
For infrastructure leaders tired of forklift upgrades, the PTN 7900-12’s field-upgradable capacity (3.2T → 12T) means your CapEx grows incrementally with revenue—not ahead of it.
號Build Where Others Can’t: In a world drowning in data but starving for reliability, the PTN 7900-12 is Huawei’s covenant to your ambition. Deploy where every nanosecond matters.


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