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Troubleshooting network connectivity problems can be a daunting and time-consuming task. Without the right tool, network techs can spend hours of unnecessary time with trial and error guesswork trying to isolate the problem.
Fluke Networks has put an end to the guessing game with the NetTool Series II Inline Network Tester. NetTool combines powerful NetProve diagnostics, inline Gigabit vision, VoIP Phone PC configuration testing in one palm-sized tool, so you'll have everything you need to quickly resolve even the toughest connectivity problem. Plus, with the monitoring and authentication option, you'll have the power to identify port-based security threats and maintain user connectivity in 802.1x environments.
Network security threats and measures to combat them have an increasingly large impact on your ability to maintain frontline connectivity. The monitoring and authentication option allows you to identify port-based security threats and troubleshoot connectivity problems in 802.1X secured environments.
Traffic from malware, spyware, and viruses can degrade user PC performance, not to mention threaten the integrity of the network. The Port Monitor feature allows you to configure your NetTool Series II to differentiate between expected and unexpected port traffic, which is key to detecting these malicious applications. Easily add and remove expected ports using the NetConnect Software. NetTool will automatically recognize and flag unexpected traffic during troubleshooting.

Load a list of expected ports from the NetConnect Software.

View IP address, port number, protocol, frame type, number of frames, and traffic size of expected or unexpected ports.
802.1X is quickly becoming the preferred authentication protocol for protecting networks against unauthorized users and rogue devices. Monitoring and authentication can help in pre-deployment verification of 802.1X, and in post-deployment troubleshooting. During deployment, your enterprise 802.1X settings can be loaded onto a NetTool. The NetTool then emulates a client on the network and establishes a connection using the loaded credentials.

Emulate a device and link to the network to verify 802.1X configuration settings.
During troubleshooting, the 802.1X Log can be used to monitor the authentication process inline between a PC and the network. All communication will be displayed on the screen and areas of failure will be identified. With the monitoring and authentication feature, you can uncover the root cause of user authentication issues fast without fussing around with time consuming trial and error.

View communication inline during the authentication process.

Identify reasons for failure during the authentication process.
Isolate connectivity and application response issues in seconds with NetProve
Verify, isolate, and document network connectivity and application port response problems faster than ever before with automated NetProve diagnostics. You receive a call from a user blaming the network for slow application performance. Armed with a NetTool Series II, in seconds you can prove whether the network is truly at fault by seeing connectivity to key network devices and services. If the network is at fault, NetProve will isolate the source of the problem so you can fix it fast. If it is not the network, NetProve will identify which application port is slow to respond so you can dispatch the appropriate resource to correct the problem. This revolutionary new way to resolve connectivity and application response issues is at least four times faster than conventional methods, resulting in improved productivity and happy users.
And NetProve improves IT staff efficiencies through improved workflow – simply create multiple catalogs representing various segments of your network. Within minutes you can prove connectivity to up to 100 enterprise key devices and services.

Use NetProve to setup up 1to 10 catalogs representing various segments of your network – organize by servers, devices, applications, workgroups and/or sites.

NetProve quickly points you to the source of the problem.
Inline functionality reduces testing time and frustration
NetTool Series II is the only handheld troubleshooting tool with inline vision into 10, 100 and Gigabit links to see the actual traffic between the network and end devices like PCs, VoIP phones, access points and security cameras. By analyzing network device conversations, you can view detailed configuration information to troubleshoot compatibility and connectivity issues.

Connect inline between an end device (in this example a PC) and the network to see link status.

Then, view the link configuration including advertised and actual speed and duplex settings.

Also, see segment information including IP networks, switch name, port and IP address and native VLAN.
VoIP Option provides IP phone testing and troubleshooting capabilities.
Now, there's a tool to test VoIP networks from the edge. NetTool Inline VoIP Tester puts the power of inline testing in the hands of frontline technicians, giving you the ability to monitor VoIP service at the edge.

The Boot Log displays key boot events such as DHCP address acquisition, DNS lookup of call servers and gateways, downloading of operating files, and call server registration. NetTool VoIP supports complete troubleshooting of the IP phone boot process including physical layer tests of structured wiring, patch cables, switch port configuration, VLANs and PoE voltage.

The VoIP Log displays call control events, QoS configuration, and call quality metrics. The log records call setup, configuration, and tear down of a call in progress. As the call proceeds, the RTP configuration is displayed including IP addresses and ports used, VLAN priority or Diff Serv and codec. Once the call is competed, the log displays the RTP quality metrics such as jitter and dropped packets.

The VoIP Monitor feature tracks call quality in progress by measuring the RTP stream and displaying the number of frames, dropped frames, out of sequence frames and jitter. The monitor also displays RTCP endpoint information such as jitter and dropped packets. Statistics are available for both the phone side and the network side while a call is in progress.
You can now see into VoIP calls by connecting between the IP phone and network and solve many problems without the need of a protocol analyzer. Diagnose phone boot-up problems, call control and measure key call quality metrics. NetTool Series ll is compatible with IP phones employing either SIP, SCCP or H.323 call control protocols.

VoIP Option testing configurations
Four testing locations shown below support the complete VoIP life cycle with testing, monitoring and troubleshooting capabilities at the edge of the VoIP network: before phone installation, with the phone installed and NetTool cascaded off the phone.
1. NetTool to switch
2. IP phone to NetTool to switch
3. NetTool to IP phone to switch
4. PC to NetTool to IP phone to switch
PoE performance testing and troubleshooting
Fully characterize your 802.3af Power over Ethernet (PoE) links prior to the rollout of PoE services or the installation of powered devices. Use in single-ended mode to verify the PoE pairs, line voltage and current to ensure a successful deployment. Place a NetTool inline between a PD and PSE to troubleshoot PoE link configuration issues.

Locate cables on active networks
IntelliTone digital signaling gives you superior vision for locating cables hidden in floors, ceilings, walls and in bundles. When paired with an IntelliTone Probe (optional), this breakthrough digital technology facilitates safe and effective cable location on active networks, even when terminated at a switch.
Why digital? The IntelliTone digital signal operates at a high-frequency to match the higher frequency data the cable plant is designed to carry. This allows the tone to overcome competing data signals and aggressive low-frequency terminations of Ethernet switches. Use the IntelliTone Probe to quickly zero in on the right cable during installations, troubleshooting or moves, adds and changes. The IntelliTone Probe clearly identifies this digital signal with audio and LED visual indicators, allowing rapid isolation of the correct cable from a bundle or on a patch panel -- eliminating hours of cable confusion.
Digital toning is especially helpful once the cable has been located as it displays cable wiremap and checks for shorts, opens and miswires. The IntelliTone Probe has an RJ45 input port and CableMap feature, allowing it to be plugged directly into a patch panel or wall port.
NetTool Pro and VoIP models offer reporting capabilities which allow you to download and share test results - from identifying network resources to PC configuration - with your entire team.
This network documentation is especially helpful when working as part of a team or when a problem needs to be escalated to a more experienced troubleshooter.

View a sample network report.
NetTool is so easy to use, even inexperienced technicians can get up to speed quickly with minimal training.


The right tool for the job
Since no two networks are identical, we offer several models to match your individual requirements and to maximize the value of your NetTool investment.
All NetTool models feature an Autotest to troubleshoot the cabling infrastructure and to test active Ethernet networks. Features common across all models include cable testing, a problem log, protocol discovery, device and service discovery, and visibility into link configuration and health. The table below highlights the key differences between NetTool models.
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| Feature | Series 2 Network Service Kit | Series 2 Pro VoIP | Series 2 Pro |
| 1000 Mbps Ethernet Interface | x | x | x |
| Inline device and traffic analysis | x | x | x |
| NetProve device and application connectivity diagnostics | x | x | x |
| Port monitoring and authentication | x | ||
| VoIP testing, monitoring and troubleshooting | x | x | Option |
| Inline PoE voltage measurement and pair identification | x | x | x |
| Inline PoE current measurement and single-ended solicitation | x | x | x |
| IntelliTone digital cable location and isolation technology | x | x | x |
| Comprehensive device and network reporting | x | x | x |
| PC interface for data transfer | USB | USB | USB |
| IntelliTone 200 Probe + Wireview cable IDs #2-6 | |||
| Internal NiMH battery charging | x | Option | Option |
| Protective rubber boot | x | x | x |
| Model Number/Name | Description | ||||
| NTS2-NSKIT | NetTool Series II Network Service Kit includes 10/100/1000Mbps inline, VoIP option, monitoring and authentication option, NetProve diagnostics, IntelliTone toning, IntelliTone Pro 200 Probe, NetTool Connect PC software, WireView Wiremappers #1-6, set of 4 AA alkaline batteries, NiMH battery/charger kit, USB to mini-USB cable, Ethernet cable, Getting Started Guide, CD with Multilanguage User Manuals, TPAK meter hanging kit, and deluxe carrying case. | ||||
NTS2-NSKIT Gold Support:
| |||||
| NTS2-PRO | NetTool Series II Pro includes 10/100/1000Mbps inline, NetProve diagnostics, IntelliTone toning, NetTool Connect PC software, WireView Wiremapper #1, set of 4 AA alkaline batteries, USB to mini-USB cable, Ethernet cable, Getting Started Guide, CD with Multilanguage User Manuals, and soft carrying case | ||||
NTS2-PRO Gold Support:
| |||||
| NTS2-VOIP | NetTool Series II Pro VoIP includes 10/100/1000Mbps inline, VoIP option, NetProve diagnostics, IntelliTone toning, NetTool Connect PC software, WireView Wiremapper #1, set of 4 AA alkaline batteries, USB to mini-USB cable, Ethernet cable, Getting Started Guide, CD with Multilanguage User Manuals, and soft carrying case | ||||
NTS2-VOIP Gold Support:
| |||||
| Model Number/Name | Description |
| NTS2-MONAUTH-OPT | Add monitoring and authentication capabilities to NTS2-PRO or NTS2-VOIP |
| NTS2-VOIP-OPT | Upgrade from NTS2-PRO to NTS2-VOIP |
| Model Number/Name | Description |
| DTX-ACUN | AC universal adapter for DTX, NTS2, ES, ES2 |
| DTX-USB | USB mini-B cable for NT Series II |
| MT-8200-63A | IntelliTone 200 Probe Includes: IntelliTone 200 Probe, RJ11 and RJ 45 patch cables, lanyard, owners CD and quick start guide, and 9 volt battery |
| NTS2-POWERPACK | AC adapter and NiMH battery set for NT Series II |
| WIREVIEW 1 | WireView WireMapper #1 for NTS2, ES, ES2 and OPV INA |
| WIREVIEW 2-6 | WireView WireMappers #2-6 for NTS2, ES, ES2 and OPV INA |
| NetTool Series II General Specs | |
| Media Access | 10/100/1000 Base -TX and PoE (802.3af) |
| Cable Tests | Internal wiremap. WireView Cable ID, cable length, opens, shorts, and split pairs |
| Cable Toner | IntelliTone or Analog (each with two songs) |
| Cable Length | Accuracy is +/- (10% or reading plus 1 meter) |
| Ports | Shielded Hub/NIC connector (RJ-45) and USB input jack |
| Interface | Push button navigation of icon/menu-driven view |
| Battery | Removable alkaline batteries or optional rechargeable NIMH AA batteries |
| Dimensions | 19.0 cm x 8.9 cm x 4.4 cm (7.5" x 3.5" x 1.75") |
| Weight | 0.54 kg (1 lb 3 oz.) |
| Warranty | One year (extended warranty available) |
| LED Indicators (8) | 10/100/1000 (Link), CLSN/ERR (Collision/error), UTIL (Utilization), PoE, and CHARGE |
| Environmental Requirements | |
| Operating Temperature | 10 °C to 30 °C with up to 95% Relative Humidity 10 °C to 40 °C with up to 75% Relative Humidity |
| Non-Operating Temperature | -20 °C to +60 °C |
| Approvals | The Fluke NetTool has the following approvals. European standard EN 60950, CSA/CAN C22.2 No. 950, and UL 1950. |
| Approvals (Accessories) | The optional Universal AC adaptor for NetTool has UL, CSA, and TÜV approvals or other approvals valid in the USA, Canada, and Europe |
| Electromagnetic Interference | The Fluke NetTool complies with European standard EN 61326 Class B. |
| Certification | Complies with European CE directive: EMC directive 89/336/EEC and low voltage directive 73/23/EEC. |
| Connection to public telephone network | NetTool should never be connected to the public telephone network. |
| Title/Description | Download | |
NetTool Product Data Sheet
NetTool Product Data Sheet | Download PDF (2.09 MB) | |
NetTool At-a-Glance Guide
NetTool At-a-Glance Guide | Download PDF (1.08 MB) |
| Title/Description | Download | |
Fluke Networks' Solution Catalog
64 page guide to selection and ordering Fluke Networks' Solutions and Products | Download PDF (6.39 MB) |
| Title/Description | Download | |
NetTool S2 - Troubleshooting Network Connectivity Scenario
NetTool S2 - Troubleshooting Network Connectivity Scenario | Download PDF (383 KB) | |
Maintaining Network Security Application Note
Maintaining Network Security Application Note | Download PDF (441 KB) | |
NetTool S2 - Cable Locating and Toning Scenario
NetTool S2 - Cable Locating and Toning Scenario | Download PDF (419 KB) | |
NetTool S2 - Troubleshooting Gigabit Problems
NetTool S2 - Troubleshooting Gigabit Problems | Download PDF (290 KB) | |
NetTool S2 - PoE Troubleshooting Scenario
NetTool S2 - PoE Troubleshooting Scenario | Download PDF (329 KB) |
| Title/Description | Download | |
NetTool Report Sample
Save discovered data on network resources and PC configurations for viewing and sharing. | Download PDF (35 KB) |
| Title/Description | Demo | |
NetTool Series II Virtual Demo | View Demo |
Gold Support for your NetTool Series II Inline Network Tester allows you to make the most of your NetTool purchase while ensuring a higher return on your investment. You will minimize your downtime, receive faster trouble resolution and have total access to all support resources.
What do you get with Gold Support for your NetTool Series II Inline Network Tester?
Repairs and loaner equipment - If your NetTool should fail, we'll deliver a loaner unit via next-day delivery to keep you up and running. We'll repair your NetTool and replace defective or faulty accessories at no charge, with first on bench" priority, and return it to you - all shipping paid by Fluke Networks.
Access to live 24 x 7 technical support - Extend the expertise of your staff. Gold Support includes direct, immediate telephone access to our world-class Technical Assistance Center (TAC), direct access only available to Gold Members. Our centers in Seattle, WA and Eindhoven, NL employ a full staff of highly trained technical experts that are on call, including weekends and through the night when most network changes are implemented, to answer complex troubleshooting questions helping you get the most out of your NetTool and understand the results you are seeing.
Accessory Replacement - Some accessories are essential to your NetTool. The normal warranty on accessories is 90 days, but parts and accessories that shipped with your NetTool will be replaced free of charge with Gold Support once qualified as defective by our technical assistance center.
Software upgrades - Your NetTool will never be out of date. You'll receive all software upgrades free - the only way to keep your NetTool updated.
Unlimited access to our Knowledge Base - You'll have an open door to valuable proprietary information we've gathered from helping customers over the years. It also includes helpful technical articles written by our experts.
Member Only promotions - Your membership qualifies you for Members Only promotions and programs. This includes product discounts, access to reconditioned equipment at special prices and other incredible values.
Ensure that you are getting the most out of your NetTool Series II Inline Network Tester with Gold Support Services.


