PlumSpace

Any fiber. Any speed. One solution.

Wed, 04 Feb 2026 00:00:00 +0000

Single or dual, dark or light or CWDM, 1G or 400G — our Smart SFP OTDR works across all optical network types.

To make choice fast and simple, we’ve created Fiber Monitoring Use Case document that guide you to the right setup. Ping us if you’d like to get it.

SFP + Raspberry Pi

Tue, 27 Jan 2026 00:00:00 +0000

We’re big fans of both SFP and Raspberry Pi — even more so when they come together. When SFP meets Raspberry Pi, good projects happen.

Happy New Year – 2026!

Tue, 30 Dec 2025 00:00:00 +0000

We’re looking forward to another 365-day journey around the Sun. It’s going to be exciting. Stay tuned!

Smart SFP OTDR – Now with 100 km Fiber Fault Detection

Tue, 11 Nov 2025 00:00:00 +0000

With the latest software upgrade, Smart SFP OTDR can now detect and locate fiber faults up to 100 km (62 miles). This enhancement extends the reach of fiber diagnostics for long-haul, metro and access networks — without external OTDR instruments.

Smart SFP for active monitoring using TWAMP

Wed, 05 Nov 2025 00:00:00 +0000

Just a few facts:

Acts as Sender, Responder or both concurrently
Hardware-accelerated for line-rate performance and sub-microsecond accuracy
Supports multi-flow and multi-tenant operation
Bring your own TWAMP – use the built-in or install your preferred implementation
Low-footprint deployment – all you need is a free SFP slot

Loopback compatibility

Tue, 28 Oct 2025 00:00:00 +0000

Smart SFP Loopback is compatible with any Ethernet tester — install it at remote sites to simplify Service Activation Testing (Y.1564) and Benchmarking (RFC 2544).

Loopback modes

Tue, 21 Oct 2025 00:00:00 +0000

Two ways to install. Smart SFP Loopback supports in-line and out-of-line modes for Service Activation Testing (Y.1564, RFC 2544).

Extend storage capacity

Tue, 13 May 2025 00:00:00 +0000

Need more storage on your Smart SFP Mini server? It’s as simple as plug-and-play — just insert a micro SD card and instantly expand your capacity.

Smart SFP with Full Software Control

Tue, 18 Mar 2025 00:00:00 +0000

Imagine having a single-board computer in an SFP - a fully programmable Smart SFP based entirely on software. No proprietary ASICs, no fixed functions—just pure flexibility and performance. Key Features: ARM64 CPU, 2 cores, 1 GHz – Compact yet powerful Linux (Debian), DPDK, eBPF – Full control over packet processing…

RTU connectivity options

Tue, 04 Mar 2025 00:00:00 +0000

Connect your Remote Fiber Test System your way! Choose from three management modules for seamless integration - optical, copper or cellular connectivity. Ensure continuous and reliable fiber monitoring with flexible connectivity options tailored to your network needs. Copper RJ-45: Perfect for direct LAN integration in telecom hubs or distribution points….

PON-monitoring

Tue, 04 Jun 2024 00:00:00 +0000

Customer story. PON monitoring.

Goal – to reduce the time of troubleshooting in the last mile of the PON network. The size of the network is more than 100 sites within a city, each site has more than 40+ PON lines.

Solution – Smart SFP OTDR module is installed in a free SFP slot of OLT at each site. When a fault is detected, the engineer on duty reconnects the fiber to the OTDR module for diagnostics.

Mini RFTS

Tue, 21 May 2024 00:00:00 +0000

Turn any switch into a mini RFTS (Remote Fiber Test System).

Just plug a few Smart SFP OTDRs into existing equipment.

Or build it from scratch based on a 5-port switch plus a few Smart SFP OTDRs.

Mix and match – dark fibers, light fibers, CWDM.

Smart SFP OTDR plus BiDi SFP

Tue, 14 May 2024 00:00:00 +0000

In data transmission mode, Smart SFP OTDR can work with any BiDi SFP.

Replace SFP on one side and get fiber fault monitoring capability.

Smart SFP with USB

Tue, 26 Mar 2024 00:00:00 +0000

New product is ready – Smart SFP with USB.

An ARM-based micro PC with USB interface in an SFP form factor.

Smart SFP OTDR on high speed links

Tue, 06 Feb 2024 00:00:00 +0000

Our Smart SFPs with OTDR capability operate at 1G in data mode, but they can monitor high-speed links using FWDM.

Just recently we did a demo for the customer on how to install Smart SFP OTDR on a 100G link. 1G OOB/OSC channel as a bonus.

PlumSpace attended ECOC 2023

Thu, 05 Oct 2023 00:00:00 +0000

PlumSpace demonstrated various Smart SFP solutions to the exhibition visitors which were selected to FTTX Center test and measurement zone.

PlumSpace team attending GITEX 2022

Mon, 10 Oct 2022 00:00:00 +0000

PlumSpace team attending GITEX 2022 to meet with customers and partners.

PlumSpace attended ECOC 2021

Mon, 20 Sep 2021 00:00:00 +0000

PlumSpace demonstrated various Smart SFP solutions to the exhibition visitors which were selected to FTTX Center test and measurement zone.

PlumSpace and NetBeez collaborate to offer Smart SFP based high performance network monitoring

Wed, 20 May 2020 00:00:00 +0000

PlumSpace, a vendor of advanced Smart SFPs, and NetBeez, a company with cloud and on-premise proactive network monitoring solutions, have completed an integration of Smart SFP Network appliance with NetBeez software agent. Smart SFP supports all capabilities of NetBeez agent – Internet and WAN connection bandwidth, delay, jitter, packet loss, MOS for VoIP, all in a Small Form-factor Plugable appliance. Smart SFP Network appliance can be deployed in remote offices and connected to a switch or a router to monitor the performance of the LAN and WAN. Smart SFP can be installed either in-line (replacing existing standard SFP) or out-of-line without assigning dedicated IP address by using Loaned IP feature.

PlumSpace will attend in ECOC 2019

Mon, 05 Aug 2019 00:00:00 +0000

European Conference on Optical Communication (ECOC 2019) will be held in Dublin, Ireland, on September 22-26, 2019. PlumSpace will be showcasing Smart SFP solutions in FTTH Center zone. Join us at the event.

PlumSpace begin mass-production of Smart SFP with IP SLA feature set

Mon, 04 Feb 2019 00:00:00 +0000

PlumSpace begin mass-production of Smart SFP with IP SLA feature set.

PlumSpace will attend Mobile World Congress 2019

Mon, 14 Jan 2019 00:00:00 +0000

Mobile World Congress will be held on February 25-28, 2020. Join us at the event.

PlumSpace will attend in ECOC 2018

Mon, 06 Aug 2018 00:00:00 +0000

European Conference on Optical Communication (ECOC 2018) will be held in Rome, Italy, on September 23-27, 2018. Join us at the event.

PlumSpace will attend in CommunicAsia 2018

Mon, 14 May 2018 00:00:00 +0000

CommunicAsia will be held in Marina Bay Sands, Singapore, on June 26-28, 2018. Join us at the event.

PlumSpace will attend Mobile World Congress 2018

Mon, 15 Jan 2018 00:00:00 +0000

Mobile World Congress in Barcelina will be held on February, 26 – March, 1 2018. Join us at the event.

About us

Mon, 01 Jan 0001 00:00:00 +0000

Who we are

PlumSpace was founded in 2013 and develops innovative hardware and software for smart high-speed network traffic processing. Products are demanded by service providers and enterprises worldwide.

PlumSpace is part of Kvadrat Systems product portfolio. Kvadrat Systems is the leading provider of software and hardware development.

Team and engineering scope

PlumSpace has a team of highly qualified specialists. The company employs about 20 people. The company’s competencies provide a full cycle of equipment design, including the design of schematic and PCB, custom software development and integration of open software components. The product quality meets international standards.

Contact

Mon, 01 Jan 0001 00:00:00 +0000

Custom Product

Mon, 01 Jan 0001 00:00:00 +0000

Build your own product based on the industry-leading Smart SFP platform. Your idea, your design, your product.

Software Development Kit (SDK) included:

Bootloader
Linux kernel
Operating System
FPGA IP cores
Complete building environment

External and internal attributes of the hardware are fully customizable — labels, MACs, s/n, etc.

We also offer consulting services to help you bring your product to the market.

Ethernet Tester

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Ethernet Tester is equipped with all the features of handheld testers such as BER, RFC 2544 and Y.1564. It can generate and analyze traffic up to 10 Gbps to test Ethernet/IP devices and networks.

Smart SFP can also operate as Smart Loopback – incoming traffic is looped back with MAC/IP/Ports swapping if needed.

It can be used for QA testing of Ethernet products, such as stress testing under different environmental conditions, as well as functionality testing.

Home

Mon, 01 Jan 0001 00:00:00 +0000

I/O Controller

Mon, 01 Jan 0001 00:00:00 +0000

Industrial automation and monitoring

Smart SFP I/O Controller provides comprehensive control of temperature, humidity and proximity sensors, mechanical switches, relays and push buttons as well as connections of remote serial devices over any IP network. Physical sensors can help determine the integrity of the local environment. Information is sending over a network to a central support location and can help react more quickly to a critical event or failure.

Universal I/O ports provide flexibility when used across a wide array of environments. Individual digital channels can be configured as either input or output. 1-Wire port supports a variety of devices – temperature, humidity, iButton. Serial port RS-232/RS-485 is ideal for connecting COM/TTY-based applications such as Modbus ASCII/RTU and IEC-101.

IP SLA Probe

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP IP SLA Probe is a network performance monitoring and diagnostic device in the SFP form factor. Smart SFP is installed in any network device with an SFP slot and simultaneously acts as both a standard SFP module and an IP SLA Probe.

Accurate and precise SLA performance is critical for any network infrastructure. Smart SFP IP SLA Probe is the unique high-performance, scalable and compact hardware device that combines service assurance with granular monitoring and performance testing. Mobile operators, service providers and enterprises can use it for performance monitoring or by for service assurance.

IP SLA Probe Lite

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP IP SLA Probe Lite is a hardware appliance in SFP form factor for performance monitoring based on software agent. Deployed in enterprise headquarters, branch offices, remote sites and other facilities, it allows to extend the capabilities of the performance monitoring solution.

Smart SFP IP SLA Probe Lite can verify infrastructure connectivity and network performance, as well as monitor and troubleshoot application problems. Protocols such as DNS, HTTP and Voice can be used to verify response time or Mean Opinion Score (MOS). Tests can be run between agents on Smart SFP and other network hosts. Automated tests provide real-time network and application performance data, enabling IP SLA/NMS system to identify problems before the end users do.

IP SLA Probe with GNSS receiver

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP IP SLA Probe with GNSS receiver is an essential tool for IP SLA monitoring in networks that require high accuracy delay and jitter measurements such as mobile network operators, high frequency trading companies and banks.

Smart SFP IP SLA Probe with GNSS receiver can be very useful when it is not possible to deliver high accuracy synchronization signal over the IP network because the network is unreliable, unstable, leased or has a poor quality.

Mini RFTS

Mon, 01 Jan 0001 00:00:00 +0000

Mini RFTS (Remote Fiber Test System) is a compact solution for monitoring a small number of optical fibers using an Ethernet switch from any vendor and Smart SFP module with OTDR function. This solution can monitor fiber integrity and quickly determine the distance to the break point.

To obtain the measurement results, it is enough to install one or more Smart SFP OTDR modules to a managed Ethernet switch that supports of reading information about the inserted SFP module. The information about the presence of a fiber break and the distance to the point is obtained by polling the Ethernet switch or by sending messages from the Ethernet switch itself.

Mini Server

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Mini Server is designed for a wide range of applications where network interfaces are required and rack space is limited.

Module is installed in an SFP slot and compatible with network equipment from any vendor.

Parameters	Model 1	Model 2	Model 3
CPU	ARMv7, 1 core, 528 MHz	ARMv8, 2 cores, 1200 MHz	MIPS, 2 cores, 800 MHz
RAM	512 MB DDR3	1 GB DDR4	1 GB LPDDR3
Flash	4 GB, eMMC	4 GB, eMMC	512 MB, SPI
Operating System	Debian	Debian	OpenWRT
Host interface	1G	1G	1G/10G
Line interface:
Fiber Ethernet	+	+	+
Copper Ethernet	+	−	−
RS-232	+	−	−
USB	+	−	−
Without	−	−	+

Network Interface Device

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP NID provides standards-based demarcation solution for delivering high-speed secure SLA-guaranteed Ethernet services with end-to-end lifecycle management – activation testing, continuous performance monitoring, remote troubleshooting and fault management.

The most important functions are implemented in hardware to ensure low latency and minimal packet jitter while supporting wire-speed packet processing. The ability to install standard Linux packages provides familiar diagnostic tools at any point on the network.

Smart SFP NID easily integrates with existing network equipment, requiring no additional rack space or power. By simply plugging into existing network equipment, Smart SFP NID adds SLA monitoring capabilities, enhancing service and improving the customer experience.

OTDR

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP OTDR is a Gigabit Ethernet and STM-1/4 transceiver with built-in OTDR function.

Acting like a conventional SFP transceiver, once optical signal loss detected Smart SFP OTDR automatically measures the distance to the fiber break point and reports it.

It is installed in network equipment of any vendor for fast break point identification of the optical fiber and for real time optical links monitoring.

Smart SFP OTDR can be used to upgrade handheld Ethernet testers with an SFP slot.

OTDR Slot Extender

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP OTDR Slot Extender is a special complementary component for Smart SFP OTDR. This unique device allows Smart SFP OTDR to be connected along with the SFP+ or QSFP28 transceiver into the same SFP+/QSFP28 slot on the Ethernet switch or router.

This solves an issue when there is a need to monitor an optical fiber but it is not possible to plug Smart SFP OTDR into the existing network equipment for some reason – lack of free SFP slots, administrative restrictions, or when it doesn’t make sense to occupy additional ports on the network equipment.

Packet Broker

Mon, 01 Jan 0001 00:00:00 +0000

Packet capture, NetFlow

Smart SFP Packet Broker is intended to improve network visibility and monitoring.

For monitoring and troubleshooting goals, Smart SFP Packet Broker supports remote packet capture according to user-defined filters. A copy of packets is transferred via ERSPAN protocol to a PC running Wireshark or to traffic auditing tools for further analysis.

Smart SFP Packet Broker allows to collect detailed traffic statistics by IP flows in NetFlow format. It can be used with any flow collector.

Purchase products

Mon, 01 Jan 0001 00:00:00 +0000

To purchase products, please write us at info@plumspace.com.

Our sales team will help with quotations, lead times, and export documentation.

Rate Converter

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Rate Converters have the ability to convert data rate from 1G to 10G and from 10/100M to 1G. They allow to connect low speed devices with fiber or copper ports to a variety of different network equipment.

Smart SFP Rate Converter can be essential during network upgrades when connecting low speed or legacy devices to modern network equipment with high speed interfaces such as 10/25/100G or to network equipment with SFP slots only.

Remote Fiber Test System (RFTS)

Mon, 01 Jan 0001 00:00:00 +0000

Remote Fiber Test System (RFTS) monitors any type of optical fiber infrastructure, including core, metro, access, FTTx and PON networks. RFTS can operate as standalone device or as part of a centralized monitoring system.

Remotely managed OTDR instrument provides capability to continuously monitor and troubleshoot optical fibers from deployment to maintenance.

Proactive network testing, monitoring and rapid reaction are important to reduce Mean Time to Repair (MTTR).

RFTS consists of 3 main parts:

Remote Test Unit (RTU)

Mon, 01 Jan 0001 00:00:00 +0000

Remote Test Unit (RTU) is a part of Remote Fiber Test System (RFTS) – a solution for monitoring any type of optical fiber infrastructure, including core, metro, access, FTTx and PON networks. It is a modular unit for flexibility, easy deployment and maintenance.

Router

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Router is a Linux-based router in an SFP package with a high-performance ARM processor. The router is designed to provide a wide range of network functions and protocols for network sites.

It is flexible in its applications and can be very useful at remote sites or branch offices that don’t have a fully-featured router and only operates with an Ethernet switch. Placing the Smart SFP Router with the required Linux package provides a small router, VPN client or a firewall to the site.

Serial Interface Converter

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Serial Interface Converter has wide range of possible applications in various areas including power, railway, oil & gas, telecom and many others.

The module supports RS-232 data transmission over IP networks and can be used for transmitting serial data or as an interface gateway in case of remote access to serial devices.

Smart SFP provides easy and reliable serial to Ethernet connectivity for industrial automation applications. It can connect any serial device to an Ethernet network. To ensure compatibility with network software, it supports a variety of operating modes, including TCP server, TCP client and UDP.

Smart Loopback

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Loopback is a device in SFP form factor for loopback traffic at the Data Link, Network and Transport layers of the OSI model.

Incoming traffic is looped back with MAC and IP addresses and TCP/UPD ports swapped if necessary.

Smart SFP is installed in any network device with an SFP slot and acts simultaneously as both a standard SFP module and Smart Loopback.

Smart SFP Loopback can be used as a remote loopback with Ethernet test and measurement equipment from any vendor.

Smart Loopback Lite

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Loopback Lite is a device in SFP form factor for loopback traffic at Layer 2 of the OSI model (Data link).

Incoming traffic is looped back with MAC addresses swapped.

Smart SFP is installed in any network device with an SFP slot and acts simultaneously as both a standard SFP module and Smart Loopback.

Smart SFP Loopback can be used as a remote loopback with Ethernet test and measurement equipment from any vendor.

Software Defined Smart SFP

Mon, 01 Jan 0001 00:00:00 +0000

Software Defined Smart SFP leverages the high performance ARM processor to deliver an intelligent network appliance for a wide range of industries including networking, telecommunications, monitoring, maintenance and security.

Smart SFP is optimized for Software Defined implementations by leveraging the direct connection of network interfaces to CPU, which allowing all network traffic to be managed by software for the highest levels of security and quality of service, enabling new service upgrades.

Technical support

Mon, 01 Jan 0001 00:00:00 +0000

For technical support, documentation, and software, please write us at support@plumspace.com.

Include serial numbers, firmware versions, and a short network diagram when reporting an issue so we can respond faster.

Time server

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP Time Server provides accurate phase and frequency synchronization using PTP and NTP at the network edge and aggregation sites. SFP form factor and rich feature set enable a wide range of deployment options for network synchronization.

From mobile networks and power utilities to time-critical applications, Smart SFP Time server enables precise synchronization in the most space-restrictive environments and provide a simple way to upgrade legacy systems with Precision Time Protocol.

USB Converter

Mon, 01 Jan 0001 00:00:00 +0000

Smart SFP USB Converter is a micro PC with USB interface in an SFP form factor. Connect USB peripherals anywhere on a network without a locally-attached host computer.

Businesses requires communication with various IT assets and peripherals located across a network. Smart SFP USB Converter gives the simple options to connect a variety of USB devices over existing network infrastructure.

Application examples:

Backup connectivity over cellular network using 3G/4G USB modem
Manage devices out-of-band via console, remote access to USB console of devices
Access and monitor legacy serial sensors over TCP/IP connection with USB to RS-232/RS-422/RS-485 adapter
Connect USB devices over the network to virtualized environments such as VM
Connect USB license dongle to remote PC or virtual hosts

Smart SFP USB Converter runs under standard Linux OS, so any familiar and standard software can be installed to reduce OpEx. Module is installed in an SFP slot and compatible with network equipment from any vendor.