OptiX PTN 3900 Transmission Systems

Primarily used at the core layer of a metropolitan transmission network; can also be used to provide Packet Transport Network (PTN) aggregation services.

Huawei’s OptiX PTN 3900 handles CES, ATM, Ethernet, IP over PW, and L3 VPN services. Supporting 40 GE interfaces, the system has a distributed architecture with separate control and forwarding planes. 1+1 redundancy protects the main control boards, cross-connect boards, and power supply modules.

With capacity up to 640 Gbit/s, the PTN 3900 offers a highly reliable, high-capacity platform for core or aggregation use.

Features

Versatile packet transmission engine with carrier-grade reliability and comprehensive management and security features for core layer of metropolitan networks or PTN aggregation services

  • Support for Circuit Emulation over Packet (CEP) interfaces, aggregates VIP VC4 private line services
  • Network-level protections include dual homing, Virtual Private Network (VPN) Fast Re-Route (FRR), and Label Switched Path (LSP) Automatic Protection Switching (APS) to ensure reliable forwarding services
  • A&M mechanisms include Y.1731 and Multi-protocol Label Switching Transport Profile (MPLS-TP) for rapid fault detection and device performance monitoring
  • Comprehensive QoS features to prioritze critical services
  • 40 GE interface supports hard and soft pipes for high performance with low latency
  • SDN-based design simplifies capacity expansion and evolution

Specifications

Specifications

PTN 3900-8

PTN 3900
Subrack Dimensions (W x D x H)

Full Subrack Weight

442 mm x 294 mm x 525 mm

41.5 kg

496 mm x 295 mm x 800 mm

60 kg
Working Voltage

Environmental Requirements

 -38.4V to -72.0V

Working temperature -5℃ to 45℃，Storage temperature -40℃ to 70℃，Relative Humidity 5% RH to 95% RH，Altitude ≤ 4,000m
Switching Capacity

320 Gbit/s

 640 Gbit/s
Interface Types E1: 256

ATM STM-1: 72

STM-1(T1): 16

STM-1: 72

STM-1/STM-4

POS: 16

FE(e): 96

FE(o): 64

GE(e): 64

GE(o): 112

10 GE: 32

40 GE: 8

 E1: 512

ATM STM-1: 128

STM-1(T1): 32

STM-1: 128

STM-1/STM-4

POS: 32

FE(e): 192

FE(o): 128

GE(e): 128

GE(o): 224

10 GE: 64

40 GE: 16
Service Types E-Line, E-LAN, L3VPN, CES, and ATM
Service Protection LMSP, LAG, LSP APS, MC-PW APS, Ring protection, VRRP, MC-LAG, IP FRR, and VPN FRR
Clock Synchronization External clock, IEEE 1588v2, Synchronous Ethernet, and TDMClock Synchronization
Security 802.1x and user authentication
Other (HQoS, MPLS, OAM) HQoS: Five-level H-QoS scheduling and traffic shaping; compatible with the DiffServ QoS model

MPLS: RSVP-TE protocol, LDP protocol, and static LSP

OAM: Y.1731, MPLS-TP, BFD, 802.1ag, 802.3ah, LPT, and PRBS

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