High Availability Multi-Service Aggregation

The NPT 1250 is a fully redundant, modular router designed to provide a multi-access edge and pre-aggregation for services, applications and architectures requiring a high-availability multiservice solution. With support for eCPRI, XGSPON, network slicing, advanced timing and multiple access technologies, it is ideal for operators who want a multi-access Hub in their xhaul network.

NPT 1250 Datasheet

Neptune 1250

NPT 1250 Overview

NPT 1250 provides a powerful, flexible, and efficient end-to-end solution for mobile backhaul, IoT, and broadband backhaul applications. It combines carrier-grade service assurance and control with IP transport efficiency and unparalleled multi-access and multiservice support. With feature-rich IP routing features and capabilities, NPT 1250 provides converged support for IP/MPLS, MPLS-TP, Ethernet (MEF certified), Segment Routing, FlexE and TDM over CES/CEP. NPT 1250 is well-suited for a wide variety of applications and networking scenarios including Any-G mobile backhaul (3G, 4G, 5G), wholesale service delivery, residential multiply, business VPNs and mission-critical service delivery.


Neptune 1250 Diagram

NPT 1250 Benefits and Features


Converged Multi-Access Edge


Feature-Rich IP Routing


Highly Scalable


Network Slicing

NPT 1250 Product Specification Highlights

Download NPT 1250 Datasheet


300Gbps switching capacity per card

Physical Specification

2RU, Dimension: 83 mm (W) x 243 mm (D) x 88mm (H)

Routing Capabilities

Layer 3, Layer 2, IP/MPLS, RSVP-TE, MPLS-TP, Segment Routing, Multicast


  • L2VPN - MEF 3.0 (IP-MPLS and MPLS-TP)
  • Ethernet Virtual Private Network (EVPN)
  • L3VPN
  • Circuit Emulation Services (CES); SAToP, CESoPSN, CEP

Multi-Access Pluggables

TDM; E1/T1, E3/DS3, STM-1/OC-4, STM-4/OC-12
PON; Smart SFP 10G XGS-PON - 10G SFP+ OLT Optics modules

High Availability

Full redundancy for high resiliency (switch/control/power/fan)


Streaming Telemetry, sFlow, ZTP, TWAMP, Ethernet OAM, IP OAM, MPLS-TP OAM, MPLS OAM, RFC 2544, Y1564, Generator, Y.1564, Link Delay Measurement, LLDP, DHCP


CWDM,DWDM,100G coherent interfaces, ZR and OPENZR+ application, QSFP_DD for 100G


CLI, LCT, SNMP MIB, NETCONF/gRPC, YANG models (OpenConfig, IETF), Muse, LightSOFT, ZTP

Operating Environment

-5°C to +55°C (23°F to 131°F)

Continued in NPT-1250 Datasheet

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NPT Product Family

Neptune IP Routers

Access Routers Family

Product M6424 NPT 1050 NPT 1100 NPT 1250 NPT 2100
Fit 4G and 5G Fronthaul High Availability Access Edge Access Edge and Pre-Aggregation High Availability Access Edge and Pre-Aggregation High Performance Access Edge and Pre-Aggregation
Capacity 800 Gbps 300 Gbps 300 Gbps 300 Gbps 800 Gbps
Service CPRI, eCPRI, TSN Ethernet, Layer 2 VPN, Layer 3 VPN, CES, XGS-PON Ethernet, Layer 2 VPN, Layer 3 VPN, CES Ethernet, Layer 2 VPN, Layer 3 VPN, CES, XGS-PON Layer 2 VPN, EVPN, Layer 3 VPN, CES, XGS-PON
Rack Units 1RU 1RU 1RU 2RU 1RU
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