Allied Telesis AT-AR041-00, AT-AR042, AT-AR048, AT-AR040-10 manual Troubleshooting

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Network Service Module

Troubleshooting

This section provides information on how to detect and resolve problems with NSMs.

Performing the following tasks will eliminate the most common faults.

1.Check that the NSM is correctly installed. See the Network Service Module Installation and Safety Guide for a step by step guide to installing NSMs.

2.Make sure the power cord is securely connected to the switch or router and the power outlet.

3.Check that the power supply voltage to the switch or router is stable.

4.Check that the correct data cables are being used and that their connections are secure.

5.Make sure that other network devices are working properly.

6.Use the show install command to check that the latest software release is loaded. The AlliedWare® Operating System Software Reference for your switch or router has more information about obtaining and installing the latest software release.

7.If the switch or router is malfunctioning, reboot it by pressing the recessed Reset button or entering the command restart reboot. Alternatively, power off and on the switch or router by disconnecting and reconnecting the main power supply and, if connected, the RPS power.

Other sources of troubleshooting information are:

■The Installation and Safety Guide or Quick Install Guide for your switch or router, which can be downloaded from www.alliedtelesis.com/support/software.

■The Hardware Reference for your switch or router, which can be downloaded from www.alliedtelesis.com/support/software.

■www.alliedtelesis.com

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Contents Hardware Reference AT-AR040 AT-AR041 AT-AR042 AT-AR048 Network Service Module Hardware ReferencePage Contents AT-AR048 Support Compatible Switches and RoutersDevices Covered By This Document Hardware Reference Hardware Overview Common FeaturesSupported Port Interface Cards PICs Guidelines and limits for installing PICsInterface numbering LED AT-AR041 and AT-AR042 NSMsLocation of jumpers on BRI NSMs Basic Rate Isdn InterfacesIsdn S/T Interface Cables RJ45 To switch or router To NTBRI S/T loopback plug Testing an AT-AR041 or AT-AR042 NSMPIC DS3 Interface AT-AR048 NSMDS3 Interface Cables Testing an AT-AR048 NSMNetwork Service Module LEDs and What They Mean Switch and Router LEDs for NSMsB1, B2 PIC LEDsReset voip command Behaviour of Hot Swapped Interfaces Hot SwappingHot Swapping the AT-AR040 NSM with PICs Configured manually Troubleshooting Obtaining Documentation and Resources Network Service Module

AT-AR040, AT-AR040-10, AT-AR048, AT-AR041-00, AT-AR041 specifications

Allied Telesis has established itself as a reputable brand in the networking solutions market, and its AT-AR Series routers further exemplify their commitment to providing robust networking technology. The AT-AR042, AT-AR041, AT-AR041-00, AT-AR048, and AT-AR040-10 models come packed with features designed to meet the diverse demands of modern networks.

The AT-AR042 is a versatile router designed for small to medium-sized enterprises, offering advanced routing capabilities along with integrated security features. It supports a range of protocols, ensuring seamless connectivity across different network types. One of its standout characteristics is its support for Virtual Private Networks (VPNs), facilitating secure remote access for employees.

The AT-AR041 and the AT-AR041-00 models are specifically crafted to deliver dependable performance in both wired and wireless environments. They offer high-speed connectivity and are equipped with Layer 3 routing features, which is essential for effective traffic management in more complex network setups. These models also incorporate essential security protocols, reducing the risk of unauthorized access and ensuring data integrity.

The AT-AR048 extends the range of capabilities further with its advanced features aimed at larger organizations. It offers comprehensive Quality of Service (QoS) functionality, enabling prioritized traffic management which is particularly important in VoIP and video conferencing applications. Its multiple WAN support allows for load balancing, ensuring consistent uptime and optimized network performance during peak usage times.

Lastly, the AT-AR040-10 rounds out the series by offering a cost-effective solution without skimping on the essential features expected of a high-performance router. It comes with an intuitive management interface that simplifies configuration and monitoring, making it a favorable choice for IT staff.

Collectively, these routers incorporate technologies such as IPv6 support, SNMP for network management, and firewall capabilities to provide a secure and efficient networking environment. Additionally, they uphold the industry standards necessary for interoperability with existing systems.

In conclusion, the Allied Telesis AT-AR Series offers a range of products catering to the varying needs of businesses. From small offices to larger enterprises, these routers provide the essential features and capabilities needed to ensure reliable connectivity, secure access, and efficient network management. Their combination of performance, scalability, and security makes them an attractive choice for organizations looking to enhance their networking infrastructure.
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