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PTN 7900 Series

Huawei is the first in the industry to provide an SPTN solution, which helps build a future-oriented packet transport network featuring unified multi-service transmission, high bandwidth, and differentiated quality assurance.

The PTN 7900 series are next-generation packet transport core devices characterized by large capacity and high bandwidth. As the industry’s first SDN-based PTN product, PTN 7900s provide 40 GE, 50 GE, 100 GE, and 400 GE interfaces, intelligent services, visualized traffic, measurable quality, and predictable capacity, effectively supporting long-term evolution and multi-service transmission for enterprises.

Specifications

Item PTN7900-32 PTN7900-24
Subrack Dimensions (H x W x D) 1,822 mm x 496 mm x 295 mm (71.73 in. x 19.53 in. x 11.61 in.) 1,340 mm x 496 mm x 289 mm (52.76 in. x 19.53 in. x 11.61 in.)
Fully Loaded Subrack Weight

Without boards or air filters: 68 kg (149.9 lb)

With full configuration (including cabinet 60 kg): 317 kg (698.9 lb)

Without boards or air filters: 45 kg (99.2 lb)

With full configuration (including cabinet 60 kg): 242 kg (533.5 lb)

Working Voltage –48V power supply: –40V to –57.6V –48V power supply: –40V to –57.6V
Standard Power Consumption 3,041W 2,670W
Switching Capacity 3.84 Tbit/s 2.88 Tbit/s
Number of 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

24 processing board slots, 2 switching board slots, 2 main control boards, 4 PIU boards, 4 PSU boards, and 4 fan module slots

Environment Requirements Working temperature: –5ºC (23ºF) to 45ºC (113ºF); storage temperature: –40ºC (–40ºF) to 70ºC (158ºF); relative humidity: 5% RH to 95% RH; altitude ≤ 4,000m
Interface Types Includes cSTM-1, cSTM-4, FE, GE, 10 GE, 40 GE, and 100 GE
Interface Capacity of the Equipment

100 GE ports: 32

40 GE ports: 64

10 GE ports: 384

GE optical ports: 768

FE optical ports: 768

cSTM-1 optical ports: 512

cSTM-4 optical ports: 128

100 GE ports: 24

40 GE ports: 48

10 GE ports: 288

GE optical ports: 576

FE optical ports: 576

cSTM-1 optical ports: 384

cSTM-4 optical ports: 96

Service Types E-Line, E-LAN, L3VPN, and CES
Service Protection LMSP, LAG, LSP APS, PW APS, ring protection, IP/VPN FRR, and VRRP
Clock Synchronization External clock, IEEE 1588v2, synchronous Ethernet, and TDM clock synchronization
HQoS Five-level QoS scheduling and traffic shaping
MPLS RSVP-TE, LDP, and static LSPs
OAM Y.1731, MPLS-TP, 802.1ag, 802.3ah, Link-State Pass Through (LPT), and Pseudo Random Binary Sequence (PRBS)
Security 802.1x and user authentication

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