Multiple Service Packet Transport Platform OptiX PTN 1900 - Huawei Products
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Multiple Service Packet Transport Platform OptiX PTN 1900

OptiX PTN 1900 is positioned at the network convergence layer, supports various services such as CES, ATM, Ethernet and L3VPN, and supports various interfaces with port rate up to 10GE.

  • Supports a maximum service switching capability of 60 Gbit/s.
  • Supports multiple transport services, such as CES, ATM, and Ethernet.
  • Supports various service interfaces, including 10 GE, GE, FE, E1, Ch STM-1, and STM-1/STM-4 POS.
  • Provides protection mechanisms for equipment, MPLS tunnels, PW, link, and node for complete equipment-level and network-level protection.
  • Provides layered OAM, such as MPLS-TP OAM, MPLS Tunnel OAM, PW OAM, service OAM, and port OAM and Bidirectional Forwarding Detection (BFD), for fast fault detection and service protection.
  • Offers extensive QoS capabilities with different quality-of-service user classes.
  • Provides multiple, high-precision clock synchronization mechanisms, such as physical-layer clock synchronization and IEEE 1588/1588v2 Adaptive Clock Recovery (ACR) clock synchronization, for accurate and resilient service timing.

Subrack dimensions (W x D x H) 436 mm x 295 mm x 220 mm
Full subrack weight 15 kg
Working voltage (V) -38.4 V DC to -72.0 V DC
Power consumption for typical configuration (W) 190 W
Switching capacity (Gbit/s) 60 Gbit/s
Service slots 7 slots: 2 slots for processing boards and 5 slots for interface boards
Environmental requirements Long-term: 0℃ to 50℃; short-term: -5℃ to 55℃
Storage temperature: -40℃ to 70℃
Relative humidity: 5% to 95%, no condensation or dew
Altitude: -60 m to 4,000 m
Interface type Smart E1 (IMA/TDM/ML-PPP), Ch STM-1, STM-1/STM-4 POS, FE (optical/electrical), GE, 10 GE
Max Interfaces

GE(o)/22, GE(e)/14, FE(e)/60,etc.

Service protection scheme

Equipment protection:

● MCU backup;
● Switch Unit backup:
● Clock Unit backup;
Network edge protection:

● E1 protection:TPS, IMA, ML-PPP
● Ethernet protection:LAG
● STM-Nprotection:1+1&1:1 LMSP
● Dual-homing protection: MC-PW /VRRP Dual-homing protection
● ATM protection:IMA Group

Network protection

● LSP/PW protection:APS 1+1&1:1 protection
● Ring protection:MPLS-TP

Clock synchronization 2 channels of external clock inputs/outputs (2 MHz or 2 Mbit/s), supports IEEE 1588/1588v2 ACR, Synchronous Ethernet, TDM clock synchronization
QoS feature HQoS Five-level HQoS scheduling and traffic shaping
Compatible with the DiffServ QoS model
Priority mapping Mapping according to DSCP value, IP priority, EXP value of MPLS, and 802.1p value of VLAN packets
Queue scheduling PQ, WFQ, PQ + WFQ
Congestion avoidance Weighted Random Early Detection (WRED), Tail drop policy
Traffic shaping Traffic shaping based on port, ATM service, and VLAN
CAR Supports Committed Access Rate (CAR) control
Traffic classification Simple traffic classification, complex traffic classification
MPLS feature MPLS RSVP-TE protocol, LDP protocol, static LSP
TDM PWE3 CES over Packet Switched Network (CESoPSN), compliant with RFC 5086; Structure-Agnostic TDM over Packet (SAToP), compliant with RFC 4553; compression of idle timeslots
ATM PWE3 N-to-one and one-to-one modes, compliant with RFC4717
Ethernet PWE3 Ethernet over PW, IP over PW

Virtual Private Wire Service (VPWS), Virtual Private LAN Service
(VPLS), Hierarchical VPLS (H-VPLS)

OAM Real-time monitoring and fault detection Ethernet OAM, compliant with IEEE 802.1ag, IEEE 802.3ah, ITU-T Y.1731, GACH+Y.1731; ATM OAM; E1/VC-12 Pseudo Random Bit Sequence (PRBS) error detection; MPLS Tunnel OAM; PW OAM; BFD, LPT, CES alarm transmission; ATM alarm transmission
Alarm and performance monitoring Real-time alarm reporting; CES performance monitoring; Ethernet performance monitoring; ATM performance monitoring; MPLS performance monitoring; equipment, board, and port performance monitoring; SNMP V1, V2 alarm performance query
Security Equipment security IP source guard, Denial of Service (DoS) attack prevention, Generalized TTL Security Mechanism (GTSM) extension (LDP, BFD, and MSDP), MAC Forced Forwarding (MFF), IEEE 802.1X authentication
Management security Authorization and authentication based on user name and password, SSH v1.5 and v2.0, HW Terminal Access Controller Access Control System (HWTACACS) + authentication
Unified integrated NMS (U2000) Unified Network Management System (NMS) for transport, carrier, and access equipment; graphical interface; simplified IP network maintenance; click-and-play E2E services configuration; service-based alarm system; alarm suppression; guided troubleshooting; intelligent performance management; and early warning system
Remote batch upgrades and comprehensive, intelligent tools improve maintenance efficiency